| 0 | PI 667323 | OPGC 839 | Euphorbia cyathophora Murray | Florida, United States | OPGC | | | 2003 | COLLECTED | 09/01/2003 | Collected from the grounds of Subtropical Horticulture Research Station, Miami, Florida | | | Full sun; growing in infrequently mowed lawn | Wild material | | 1658770 | PI 667323 |
| 1 | PI 667324 | OPGC 840 | Euphorbia heterophylla L. | Florida, United States | OPGC | | | 2003 | COLLECTED | 09/01/2003 | Collected from the grounds of Subtropical Horticulture Research Station, Miami, Florida | | | Full sun; growing in infrequently mowed lawn | Wild material | | 1658771 | PI 667324 |
| 2 | PI 649788 | Donkey Tail | Euphorbia myrsinites L. | Illinois, United States | NC7 | _thumbnail.JPG) | | 2002 | COLLECTED | 06/15/2002 | Lake Villa. | | | Private garden. | Cultivated material | | 1638042 | PI 649788 |
| 3 | PI 604647 | idm24 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 |  | | 1998 | DEVELOPED | PRE 09/1998 | | | | | Breeding material | Indehiscent capsules at ripening. | 1563093 | PI 604647 |
| 4 | PI 604648 | idm76 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | _thumbnail.JPG) | | 1998 | DEVELOPED | PRE 09/1998 | | | | | Breeding material | Indehiscent capsules at ripening. | 1563096 | PI 604648 |
| 5 | PI 604649 | idm77 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1998 | DEVELOPED | PRE 09/1998 | | | | | Breeding material | Indehiscent capsules at ripening. | 1563103 | PI 604649 |
| 6 | PI 604650 | mcp | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | _thumbnail.JPG) | | 1998 | DEVELOPED | PRE 09/1998 | | | | | Genetic material | Plants with a mixture of three, four and five seeded capsules. | 1563105 | PI 604650 |
| 7 | PI 604651 | idmcp | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1998 | DEVELOPED | PRE 09/1998 | | | | | Genetic material | Indehiscent capsules at ripening. Plants with a mixture of three, four and five seeded capsules. | 1563106 | PI 604651 |
| 8 | PI 604652 | mob | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1998 | DEVELOPED | PRE 09/1998 | | | | | Genetic material | Plants with five to nine branches at the end of the main stem and a high proportion of five seeded capsules. | 1563109 | PI 604652 |
| 9 | PI 604653 | idmob | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 |  | | 1998 | DEVELOPED | PRE 09/1998 | | | | | Genetic material | Indehiscent capsules at ripening. Plants with five to nine branches at the end of the main stem and a high proportion of five seeded capsules. | 1563110 | PI 604653 |
| 10 | PI 604654 | vir | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 |  | | 1998 | DEVELOPED | PRE 09/1998 | | | | | Genetic material | Virids plants with a pale green color and grey seeds. | 1563112 | PI 604654 |
| 11 | PI 604655 | idvir | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1998 | DEVELOPED | PRE 09/1998 | | | | | Genetic material | Indehiscent capsules at ripening. Viridis plants with a pale green color and grey seeds. | 1563115 | PI 604655 |
| 12 | PI 604656 | idmcpvir | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1998 | DEVELOPED | PRE 09/1998 | | | | | Genetic material | Indehiscent capsules at ripening. Plants with a mixture of three, four and five seeded capsules. Viridis plants with a pale green color and grey seeds. | 1563117 | PI 604656 |
| 13 | PI 607978 | Index Seminum 258 | Euphorbia helioscopia L. | Sachsen, Germany | NC7 | | | 1997 | COLLECTED | PRE 1997 | Baalsdorf. | 51.33333333, 12.48333333 | | | Wild material | | 1547306 | PI 607978 |
| 14 | PI 607977 | Ames 23864 | Euphorbia dentata Michx. | Iowa, United States | NC7 | | | 1997 | DEVELOPED | 05/07/1997 | | | | | Clone | | 1546342 | PI 607977 |
| 15 | PI 649791 | Ames 23865 | Euphorbia tirucalli L. | Iowa, United States | NC7 | _thumbnail.JPG) | Contact Site | 1997 | | | | | | | Clone | | 1546343 | PI 649791 |
| 16 | PI 649789 | Index Seminum 104 | Euphorbia peplus L. | Porto, Portugal | NC7 | | Not Available | 1997 | COLLECTED | 06/14/1996 | Lordelo do Ouro-Porto, Douro Litoral Province. | 41.15000000, -8.63333333 | | | Wild material | | 1544019 | PI 649789 |
| 17 | PI 649763 | Index Seminum 050 | Euphorbia characias L. | Provence-Alpes-Côte-d’Azur, France | NC7 | _thumbnail.JPG) | | 1997 | COLLECTED | 06/19/1996 | "Vallon d'en Vau" in Bois de la Gardiole (forest) near the city of Marseille. | 43.56666667, 5.70000000 | | | Wild material | | 1542726 | PI 649763 |
| 18 | PI 649790 | Index Seminum 051 | Euphorbia spinosa L. | Provence-Alpes-Côte-d’Azur, France | NC7 | _thumbnail.JPG) | | 1997 | COLLECTED | 07/03/1996 | "Marbriere" forest near the city of Grasse. | 43.66666667, 6.91666667 | | | Wild material | | 1542738 | PI 649790 |
| 19 | PI 649786 | 224 | Euphorbia lathyris L. | Sachsen-Anhalt, Germany | NC7 |  | | 1996 | COLLECTED | PRE 1995 | Langendorf | | | | | | 1528929 | PI 649786 |
| 20 | PI 607972 | CIDA 305 | Euphorbia lagascae Spreng. | Andalucía, Spain | NC7 | | | 1996 | COLLECTED | 1986 | Near Huercal Overa along Highway N340 between Huercal Overa and Puerto Lumbreras. | 37.38333333, -1.95000000 | | | Wild material | | 1522353 | PI 607972 |
| 21 | PI 607973 | CIDA 316 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Puerto Lumbreras along Highway CV6202 between Puerto Lumbreras and Aguilas. | 37.56666667, -1.81666667 | | | Wild material | | 1522362 | PI 607973 |
| 22 | PI 607974 | CIDA 325 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Cieza along Highway N301 between Cieza and Murcia. Approximately 1 km from Rambla del Judio. | 38.23333333, -1.41666667 | | | Wild material | | 1522468 | PI 607974 |
| 23 | PI 607975 | CIDA 341 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Santomera along Highway N340 between Alicante and Murcia near the exit to La Mota. | 38.06666667, -1.05000000 | | | Wild material | | 1522382 | PI 607975 |
| 24 | PI 607976 | CIDA 362 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Tinosa between Molino at Highway C3319 and Los Garres. Latitude and longitude are estimates. | 37.91666667, -1.08333333 | | | Wild material | | 1522399 | PI 607976 |
| 25 | PI 649764 | CIDA 302 | Euphorbia lagascae Spreng. | Valenciana, Comunidad, Spain | NC7 | | | 1996 | COLLECTED | | Agost. | 38.43333333, -0.63333333 | | | Wild material | | 1522351 | PI 649764 |
| 26 | PI 649765 | CIDA 304 | Euphorbia lagascae Spreng. | Valenciana, Comunidad, Spain | NC7 | | | 1996 | COLLECTED | 1986 | Near Bellus along Highway N340 between Bellus and Jativa. | 38.95000000, -0.48333333 | | | Wild material | | 1522466 | PI 649765 |
| 27 | PI 649766 | CIDA 308 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1986 | Near Espinardo along Highway N301 between Murcia and Albacete. | 38.00000000, -1.15000000 | | | Wild material | | 1522355 | PI 649766 |
| 28 | PI 649767 | CIDA 311 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1986 | Near El Algar along Highway N332 between La Union and Torrevieja. Latitude and longitude are estimates. | 37.65000000, -0.85000000 | | | Wild material | | 1522491 | PI 649767 |
| 29 | PI 649768 | CIDA 312 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1986 | Alhama de Murcia. | 37.85000000, -1.41666667 | | | Wild material | | 1522358 | PI 649768 |
| 30 | PI 649769 | CIDA 313 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Alcantarilla along Highway N340 between Murcia and Lorca. | 37.96666667, -1.21666667 | | | Wild material | | 1522359 | PI 649769 |
| 31 | PI 649770 | CIDA 315 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Alhama de Murcia along Highway N340 between Murcia and Almeria at the 627 km road marker. | 37.85000000, -1.41666667 | | | Wild material | | 1522361 | PI 649770 |
| 32 | PI 649771 | CIDA 319 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Los Alcazares along Highway N332 between La Union and San Javier at the 23.5 km road marker. | 37.75000000, -0.85000000 | | | Wild material | | 1522492 | PI 649771 |
| 33 | PI 649772 | CIDA 320 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Los Alcazares along Highway N332 between La Union and San Javier at the 22.5 km road marker. | 37.75000000, -0.85000000 | | | Wild material | | 1522365 | PI 649772 |
| 34 | PI 649773 | CIDA 321ep | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Hurchillo along Highway AV3315 between Hurchillo and Arneva. | 38.05000000, -0.91666667 | | | Wild material | | 1522367 | PI 649773 |
| 35 | PI 649774 | CIDA 334 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Molina de Segura along Highway N301 between Murcia and Madrid at the 385.3 road marker. | 38.05000000, -1.20000000 | | | Wild material | | 1522377 | PI 649774 |
| 36 | PI 649775 | CIDA 336 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Calasparra along Highway MU552 between Calasparra and Mula at the 1 km road marker. | 38.23333333, -1.70000000 | | | Wild material | | 1522469 | PI 649775 |
| 37 | PI 649776 | CIDA 339 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Los Pulpites along Highway N344 between Alcantarilla and Las Torres de Cotillas. | 38.01666667, -1.23333333 | | | Wild material | | 1522380 | PI 649776 |
| 38 | PI 649777 | CIDA 340 | Euphorbia lagascae Spreng. | Valenciana, Comunidad, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Rincon de Bonanza along Highway N340 between Murcia and Alicante. Latitude and longitude are estimates. | 38.16666667, -0.83333333 | | | Wild material | | 1522381 | PI 649777 |
| 39 | PI 649778 | CIDA 343 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Orihuela (at the entrance) along Highway N340 between Murcia and Alicante. | 38.08333333, -0.95000000 | | | Wild material | | 1522384 | PI 649778 |
| 40 | PI 649779 | CIDA 348 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1988 | 200 m from Los Vicentes and La Murada along Highway A413 to Abanilla. | 38.16666667, -0.96666667 | | | Wild material | | 1522470 | PI 649779 |
| 41 | PI 649780 | CIDA 349 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Fortuna along Highway C3223 near the entrance to Banos de Fortuna. | 38.18333333, -1.11666667 | | | Wild material | | 1522388 | PI 649780 |
| 42 | PI 649781 | CIDA 352 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Almacen Corte Ingles, between Albarda and Los Medinas, just off Highway N301. Latitude and longitude are estimates. | 38.13333333, -1.21666667 | | | Wild material | | 1522391 | PI 649781 |
| 43 | PI 649782 | CIDA 354 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Cabezo de la Plata along Highway MU301 between Murcia and Sucina at the 14.9 km road marker. | 37.98333333, -0.98333333 | | | Wild material | | 1522496 | PI 649782 |
| 44 | PI 649783 | CIDA 356 | Euphorbia lagascae Spreng. | Castilla-La Mancha, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Cancarix along Highway N301 between Murcia and Madrid at the 324.5 km road marker. | 38.41666667, -1.58333333 | | | Wild material | | 1522394 | PI 649783 |
| 45 | PI 649784 | CIDA 360 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Los Ruices along Highway N301 between Murcia and Cartagena at the 419 km road marker. | 37.63333333, -1.20000000 | | | Wild material | | 1522397 | PI 649784 |
| 46 | PI 649785 | CIDA 361 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Balsa-Pintada just off Highway N301 between Murcia and Cartagena at the 421.9 km road marker. | 37.75000000, -1.10000000 | | | Wild material | | 1522398 | PI 649785 |
| 47 | PI 649787 | 9002172 | Euphorbia marginata Pursh | Georgia, United States | NC7 | | Not Available | 1990 | DONATED | 07/09/1990 | | | | | | | 1065105 | PI 649787 |
| 48 | PI 600822 | 'Chico' | Euphorbia lathyris L. | United States | NC7 | | Not Available | 1981 | DEVELOPED | | | | | | Cultivar | | 1137683 | PI 600822 |
| 49 | PI 440339 | P-118 | Euphorbia sp. | Former, Soviet Union | NC7 | | Not Available | 1978 | | | | | | | Wild material | Plants to 22cm tall. | 1335275 | PI 440339 |
| 50 | PI 440340 | D-2141 | Euphorbia sp. | Kazakhstan | NC7 | | Not Available | 1978 | | | | | | | Wild material | Plants soft-stemmed (onion-like), terminates in club-like, 3-lobed head. | 1335276 | PI 440340 |
| 51 | PI 341905 | SP 45831 | Euphorbia nutans Lag. | Madrid, Comunidad de, Spain | NC7 | | | 1969 | DONATED | 04/08/1969 | | | | | | | 1255010 | PI 341905 |
| 52 | PI 326554 | NU 46797 | Euphorbia macroclada Boiss. | Ankara, Turkey | NC7 | | Not Available | 1968 | DONATED | 04/08/1968 | | | | | | Erect, many stems, 3 to 5 dm. | 1563537 | PI 326554 |
| 53 | PI 326559 | SP 45831 | Euphorbia nutans Lag. | Madrid, Comunidad de, Spain | NC7 | | | 1968 | DONATED | 04/08/1968 | | | | | | | 1242151 | PI 326559 |
| 54 | PI 326561 | NU 44752 | Euphorbia hirtella Boiss. | Montevideo, Uruguay | NC7 | | Not Available | 1968 | DONATED | 04/08/1968 | | | | | | Erect, up to 6 dm high. Good seeder, but shattering at maturity. Summer. | 1242153 | PI 326561 |
| 55 | PI 326565 | NU 50421 | Euphorbia heterophylla L. | Iowa, United States | NC7 | | Not Available | 1968 | DONATED | 04/08/1968 | | | | | Cultivated material | | 1242157 | PI 326565 |
| 56 | PI 319400 | | Euphorbia matritensis Boiss. | Madrid, Comunidad de, Spain | NC7 | | Not Available | 1967 | DONATED | 03/30/1967 | | | | | | | 1237550 | PI 319400 |
| 57 | PI 312825 | | Euphorbia lathyris L. | Spain | NLGRP | | Not Available | 1966 | DONATED | 03/28/1966 | | | | | | | 1233422 | PI 312825 |
| 58 | PI 312829 | NU 46165 | Euphorbia macroclada Boiss. | Ankara, Turkey | NC7 | | Not Available | 1966 | DONATED | 03/28/1966 | | | | | | Erect, many-stemmed perennial, 30-50 cm high. Flowers yellow. | 1563527 | PI 312829 |
| 59 | PI 308128 | 1 | Euphorbia lagascae Spreng. | Spain | NC7 | | | 1965 | DONATED | 10/13/1965 | | | | | | | 1230179 | PI 308128 |
| 60 | PI 308129 | 2 | Euphorbia lagascae Spreng. | Spain | NC7 | | | 1965 | DONATED | 10/13/1965 | | | | | | | 1230180 | PI 308129 |
| 61 | PI 308130 | 3 | Euphorbia lagascae Spreng. | Spain | NC7 | | | 1965 | DONATED | 10/13/1965 | | | | | | | 1230181 | PI 308130 |
| 62 | PI 308131 | 4 | Euphorbia lagascae Spreng. | Spain | NC7 | | | 1965 | DONATED | 10/13/1965 | | | | | | | 1230182 | PI 308131 |
| 63 | PI 308132 | 5 | Euphorbia lagascae Spreng. | Spain | NC7 | | | 1965 | DONATED | 10/13/1965 | | | | | | | 1230183 | PI 308132 |
| 64 | PI 378567 | TSIMBAZAZAE | Euphorbia viguieri Denis | Florida, United States | | | Historic | 1965 | | | | | | | | | 1283581 | PI 378567 |
| 65 | PI 304983 | NU 41175 | Euphorbia myrsinites L. | Ankara, Turkey | NC7 | | Not Available | 1965 | COLLECTED | PRE 04/1965 | Kizilcahamam. | 40.46666667, 32.65000000 | | | Wild material | 1-1.5 feet high. Thick leathery leaves, serrate edges. | 1563593 | PI 304983 |
| 66 | PI 304984 | | Euphorbia characias L. | Spain | NLGRP | | Not Available | 1965 | COLLECTED | | | | | | | | 1228812 | PI 304984 |
| 67 | PI 305450 | | Euphorbia milii Des Moul. | Sierra Leone | | | Historic | 1965 | | | | | | | | | 1701415 | PI 305450 |
| 68 | PI 304962 | | Euphorbia lagascae Spreng. | France | | | Historic | 1965 | COLLECTED | | | | | | | | 1701104 | PI 304962 |
| 69 | PI 304793 | | Euphorbia piscatoria Aiton | Denmark | | | Historic | 1965 | | | | | | | | | 1701018 | PI 304793 |
| 70 | PI 304639 | No. 9081 | Euphorbia pulcherrima Willd. ex Klotzsch | Kefa, Ethiopia | | | Historic | 1965 | COLLECTED | | Cultivated in front of Ghion Hotel, Jimma | | | | | | 1700919 | PI 304639 |
| 71 | PI 304607 | | Euphorbia alcicornis Baker | Italy | | | Historic | 1965 | | | | | | | | | 1700894 | PI 304607 |
| 72 | PI 304608 | | Euphorbia aphylla Brouss. ex Willd. | Italy | | | Historic | 1965 | | | | | | | | | 1700895 | PI 304608 |
| 73 | PI 304609 | | Euphorbia rigida M. Bieb. | Italy | | | Historic | 1965 | COLLECTED | | | | | | | | 1700896 | PI 304609 |
| 74 | PI 304610 | | Euphorbia colletioides Benth. | Italy | | | Historic | 1965 | COLLECTED | | | | | | | | 1700897 | PI 304610 |
| 75 | PI 304611 | | Euphorbia dendroides L. | Italy | | | Historic | 1965 | | | | | | | | | 1700898 | PI 304611 |
| 76 | PI 304612 | | Euphorbia helioscopia L. | Italy | | | Historic | 1965 | COLLECTED | | | | | | | | 1700899 | PI 304612 |
| 77 | PI 304613 | | Euphorbia ornithopus Jacq. | Italy | | | Historic | 1965 | | | | | | | | | 1700900 | PI 304613 |
| 78 | PI 304614 | | Euphorbia peplus L. | Italy | | | Historic | 1965 | COLLECTED | | | | | | | | 1700901 | PI 304614 |
| 79 | PI 304615 | NU 51726 | Euphorbia segetalis L. | Sicilia, Italy | NC7 | | Not Available | 1965 | DONATED | 03/04/1965 | | | | | | | 1563594 | PI 304615 |
| 80 | PI 304616 | | Euphorbia prostrata Aiton | Italy | | | Historic | 1965 | COLLECTED | | | | | | | | 1700902 | PI 304616 |
| 81 | PI 304617 | | Euphorbia regis-jubae Webb & Berthel. | Italy | | | Historic | 1965 | | | | | | | | | 1700903 | PI 304617 |
| 82 | PI 304618 | | Euphorbia schimperi C. Presl | Italy | | | Historic | 1965 | | | | | | | | | 1700904 | PI 304618 |
| 83 | PI 304619 | | Euphorbia virosa Willd. | Italy | | | Historic | 1965 | | | | | | | | | 1700905 | PI 304619 |
| 84 | PI 304620 | | Euphorbia ceratocarpa Ten. | Coimbra, Portugal | | | Historic | 1965 | COLLECTED | | | | | | | | 1700906 | PI 304620 |
| 85 | PI 304621 | | Euphorbia exigua L. | United Kingdom | | | Historic | 1965 | COLLECTED | | | | | | | | 1700907 | PI 304621 |
| 86 | PI 304622 | | Euphorbia helioscopia L. | United Kingdom | | | Historic | 1965 | COLLECTED | | | | | | | | 1700908 | PI 304622 |
| 87 | PI 304623 | | Euphorbia lagascae Spreng. | United Kingdom | | | Historic | 1965 | COLLECTED | | | | | | | | 1700909 | PI 304623 |
| 88 | PI 304624 | | Euphorbia peplus L. | United Kingdom | | | Historic | 1965 | COLLECTED | | | | | | | | 1700910 | PI 304624 |
| 89 | PI 304625 | | Euphorbia esula L. | Denmark | | | Historic | 1965 | COLLECTED | | | | | | | | 1700911 | PI 304625 |
| 90 | PI 304626 | | Euphorbia helioscopia L. | Denmark | | | Historic | 1965 | COLLECTED | | | | | | | | 1700912 | PI 304626 |
| 91 | PI 304627 | | Euphorbia lagascae Spreng. | Denmark | | | Historic | 1965 | COLLECTED | | | | | | | | 1700913 | PI 304627 |
| 92 | PI 304628 | | Euphorbia peplus L. | Denmark | | | Historic | 1965 | COLLECTED | | | | | | | | 1700914 | PI 304628 |
| 93 | PI 304629 | | Euphorbia terracina L. | Denmark | | | Historic | 1965 | COLLECTED | | | | | | | | 1700915 | PI 304629 |
| 94 | PI 304276 | | Euphorbia hirta L. | Sierra Leone | | | Historic | 1965 | COLLECTED | | | | | | | | 1700756 | PI 304276 |
| 95 | PI 303843 | | Euphorbia pulcherrima Willd. ex Klotzsch | Ethiopia | | | Historic | 1965 | COLLECTED | | | | | | | | 1700608 | PI 303843 |
| 96 | PI 298081 | | Euphorbia marginata Pursh | France | | | Historic | 1964 | COLLECTED | | | | | | | | 1682755 | PI 298081 |
| 97 | PI 296042 | NU 40607 | Euphorbia lathyris L. | England, United Kingdom | NC7 | | Not Available | 1964 | DONATED | 02/26/1964 | | | | | Cultivated material | Native to Europe. Up to 3 feet high. Contains 84% oleic acid oil. | 1224106 | PI 296042 |
| 98 | PI 296064 | NU 43571 | Euphorbia lagascae Spreng. | Madrid, Comunidad de, Spain | NC7 | | | 1964 | DONATED | 02/26/1964 | | | | | | Up to 3 feet high. Contains 48.8% oil of which about 57% is epoxidized. Protein content is 21.8%. Naturally occurring epoxidized oils are of interest because it costs about 20 cents per pound to epoxidize vegetable oils, which triples its value or cost. (See Vernonia summary by Haun and White.) | 1224125 | PI 296064 |
| 99 | PI 289887 | | Euphorbia pulcherrima Willd. ex Klotzsch | Mexico | | | Historic | 1963 | COLLECTED | | | | | | | | 1692304 | PI 289887 |
| 100 | PI 284483 | | Euphorbia griffithii Hook. f. | Ireland | | | Historic | 1962 | COLLECTED | | | | | | | | 1687820 | PI 284483 |
| 101 | PI 279697 | NU 40355 | Euphorbia parryi Engelm. | Chihuahua, Mexico | NC7 | | Not Available | 1962 | COLLECTED | 11/1959 | 37 miles south of Juarez. | | | Sand hills. | Wild material | | 1208442 | PI 279697 |
| 102 | PI 262191 | | Euphorbia pulcherrima Willd. ex Klotzsch | Maryland, United States | | | Historic | 1959 | DONATED | 12/21/1959 | | | | | | | 1557110 | PI 262191 |
| 103 | PI 261067 | | Euphorbia xylophylloides Brongn. ex Lem. | Maryland, United States | | | Historic | 1959 | | | | | | | | | 1563809 | PI 261067 |
| 104 | PI 255262 | | Euphorbia leucocephala Lotsy | Florida, United States | | | Historic | 1959 | DONATED | 01/28/1959 | | | | | | | 1558054 | PI 255262 |
| 105 | PI 247812 | | Euphorbia pulcherrima Willd. ex Klotzsch | Ciudad de México, Mexico | | | Historic | 1958 | DONATED | 05/06/1958 | | | | | | | 1588633 | PI 247812 |
| 106 | PI 195939 | 9884 | Euphorbia candelabrum Kotschy | Ethiopia | NC7 | _thumbnail.JPG) | Contact Site | 1951 | | | | | | | Cultivated material | | 1166282 | PI 195939 |
| 107 | PI 195850 | | Euphorbia antisyphilitica Zucc. | China | | | Historic | 1951 | | | | | | | | | 1673322 | PI 195850 |
| 108 | PI 194564 | | Euphorbia sp. | Ethiopia | | | Historic | 1951 | | | | | | | | | 1671469 | PI 194564 |
| 109 | PI 190380 | | Euphorbia antisyphilitica Zucc. | Florida, United States | | | Historic | 1950 | | | | | | | | | 1670225 | PI 190380 |
| 110 | PI 145982 | | Euphorbia intisy Drake | Florida, United States | | | Historic | 1943 | | | | | | | | | 1878883 | PI 145982 |
| 111 | PI 145844 | | Euphorbia pulcherrima Willd. ex Klotzsch | Mexico | | | Historic | 1943 | COLLECTED | | | | | | | | 1878746 | PI 145844 |
| 112 | PI 144831 | No. 39.1083 | Euphorbia nutans Lag. | Lima, Peru | | | Historic | 1942 | COLLECTED | | | | | | | | 1877618 | PI 144831 |
| 113 | PI 144980 | No. 39.2041 | Euphorbia sp. | Huancavelica, Peru | | | Historic | 1942 | | | | | | | | | 1877775 | PI 144980 |
| 114 | PI 143859 | | Euphorbia sp. | Mexico | | | Historic | 1942 | | | | | | | | | 1870286 | PI 143859 |
| 115 | PI 143711 | Ixbut | Euphorbia lancifolia Schltdl. | Guatemala | | | Historic | 1942 | COLLECTED | | | | | | | | 1869669 | PI 143711 |
| 116 | PI 135743 | No. 4744 | Euphorbia sp. | Afghanistan | | | Historic | 1940 | | | | | | | | | 1853935 | PI 135743 |
| 117 | PI 122543 | No. 2968 | Euphorbia sp. | İzmir, Turkey | | | Historic | 1937 | | | | | | | | | 1833953 | PI 122543 |
| 118 | PI 116587 | | Euphorbia sikkimensis Boiss. | India | | | Historic | 1936 | COLLECTED | | | | | | | | 1824348 | PI 116587 |
| 119 | PI 113539 | | Euphorbia lophogona Lam. | Madagascar | | | Historic | 1935 | | | | | | | | | 1490330 | PI 113539 |
| 120 | PI 112195 | | Euphorbia intisy Drake | Madagascar | | | Historic | 1935 | | | | | | | | | 1491955 | PI 112195 |
| 121 | PI 112196 | | Euphorbia intisy Drake | Madagascar | | | Historic | 1935 | | | | | | | | | 1809820 | PI 112196 |
| 122 | PI 111454 | Manzanillo | Euphorbia cotinifolia L. | Cauca, Colombia | | | Historic | 1935 | COLLECTED | 05/10/1935 | El Bordo | | | | | | 1804434 | PI 111454 |
| 123 | PI 111047 | | Euphorbia sikkimensis Boiss. | India | | | Historic | 1935 | COLLECTED | | | | | | | | 1802619 | PI 111047 |
| 124 | PI 108019 | | Euphorbia sp. | Mexico | | | Historic | 1935 | | | | | | | | | 1492280 | PI 108019 |
| 125 | PI 108018 | | Euphorbia sp. | Madagascar | | | Historic | 1935 | | | | | | | | | 1492279 | PI 108018 |
| 126 | PI 109778 | Candelilla | Euphorbia tithymaloides L. | Maryland, United States | | | Historic | 1935 | COLLECTED | | | | | | | | 1801221 | PI 109778 |
| 127 | PI 107766 | No. 2719 | Euphorbia hyssopifolia L. | Suriname | | | Historic | 1935 | COLLECTED | 11/12/1934 | Near Scotelweg | | | | | | 1797489 | PI 107766 |
| 128 | PI 107467 | No. 2664 | Euphorbia heterophylla L. | Suriname | | | Historic | 1934 | COLLECTED | 11/02/1934 | Near Scotelweg | | | | | | 1796876 | PI 107467 |
| 129 | PI 106618 | | Euphorbia calyptrata Coss. & Durieu | Algeria | | | Historic | 1934 | COLLECTED | | | | | | | | 1795830 | PI 106618 |
| 130 | PI 106490 | No. 2446 | Euphorbia cotinifolia L. | Guyana | | | Historic | 1934 | COLLECTED | | | | | | | | 1795694 | PI 106490 |
| 131 | PI 103733 | | Euphorbia sp. | India | | | Historic | 1933 | | | | | | | | | 1493579 | PI 103733 |
| 132 | PI 103023 | | Euphorbia abyssinica J. F. Gmel. | Unknown | | | Historic | 1933 | | | | | | | | | 1493393 | PI 103023 |
| 133 | PI 102759 | | Euphorbia sikkimensis Boiss. | India | | | Historic | 1933 | COLLECTED | | | | | | | | 1791104 | PI 102759 |
| 134 | PI 102683 | No. 3130 | Euphorbia umbellata (Pax) Bruyns | Cuba | | | Historic | 1933 | COLLECTED | 04/02/1933 | | | | | | | 1791066 | PI 102683 |
| 135 | PI 102393 | | Euphorbia drupifera Thonn. | Angola | | | Historic | 1933 | COLLECTED | | | | | | | | 1790545 | PI 102393 |
| 136 | PI 102394 | | Euphorbia didiereoides Denis ex Leandri | Angola | | | Historic | 1933 | | | | | | | | | 1493326 | PI 102394 |
| 137 | PI 102281 | No. 3063 | Euphorbia pulcherrima Willd. ex Klotzsch | Jamaica | | | Historic | 1933 | COLLECTED | 03/10/1933 | | | | | | | 1790462 | PI 102281 |
| 138 | PI 100368 | Ixbut | Euphorbia lancifolia Schltdl. | Guatemala, Guatemala | | | Historic | 1932 | COLLECTED | | | | | | | | 1787977 | PI 100368 |
| 139 | PI 99378 | | Euphorbia intisy Drake | Madagascar | | | Historic | 1932 | | | | | | | | | 1492821 | PI 99378 |
| 140 | PI 99379 | | Euphorbia sp. | Madagascar | | | Historic | 1932 | | | | | | | | | 1786676 | PI 99379 |
| 141 | PI 97828 | | Euphorbia sp. | Madagascar | | | Historic | 1932 | | | | | | | | | 1494903 | PI 97828 |
| 142 | PI 98033 | No. 27 | Euphorbia lathyris L. | Los Lagos, Chile | | | Historic | 1932 | COLLECTED | 01/30/1932 | | | | | | | 1784746 | PI 98033 |
| 143 | PI 93794 | | Euphorbia sp. | Alger, Algeria | | | Historic | 1931 | | | | | | | | | 1494263 | PI 93794 |
| 144 | PI 93764 | | Euphorbia sp. | Madagascar | | | Historic | 1931 | | | | | | | | | 1494253 | PI 93764 |
| 145 | PI 92898 | No. 9179 | Euphorbia sp. | Mexico | | | Historic | 1931 | | | | | | | | | 1779648 | PI 92898 |
| 146 | PI 90879 | Rubicunda | Euphorbia pulcherrima Willd. ex Klotzsch | Cienfuegos, Cuba | | | Historic | 1931 | COLLECTED | | | | | | | | 1775567 | PI 90879 |
| 147 | PI 88609 | No. 3513 | Euphorbia dendroides L. | Greater Athens, Greece | | | Historic | 1930 | | | | | | | | | 1495478 | PI 88609 |
| 148 | PI 81514 | | Euphorbia drupifera Thonn. | Ghana | | | Historic | 1929 | COLLECTED | | Victoriaborg, Akkra | | | | | | 1496485 | PI 81514 |
| 149 | PI 78169 | | Euphorbia intisy Drake | Madagascar | | | Historic | 1928 | | | | | | | | | 1496057 | PI 78169 |
| 150 | PI 77905 | | Euphorbia sp. | Madagascar | | | Historic | 1928 | | | | | | | | | 1733445 | PI 77905 |
| 151 | PI 78419 | | Euphorbia sp. | Madagascar | | | Historic | 1928 | | | | | | | | | 1734033 | PI 78419 |
| 152 | PI 78421 | | Euphorbia sp. | Madagascar | | | Historic | 1928 | | | | | | | | | 1734035 | PI 78421 |
| 153 | PI 74544 | | Euphorbia amygdaloides L. | Occitanie, France | | | Historic | 1927 | COLLECTED | | | | | | | | 1497182 | PI 74544 |
| 154 | PI 73087 | | Euphorbia tirucalli L. | Alger, Algeria | | | Historic | 1927 | | | | | | | | | 1496926 | PI 73087 |
| 155 | PI 73010 | No. 1168 | Euphorbia drupifera Thonn. | Bioko, Equatorial Guinea | | | Historic | 1927 | COLLECTED | | Santa Isabel | | | | | | 1728118 | PI 73010 |
| 156 | PI 69853 | | Euphorbia serrata L. | Provence-Alpes-Côte-d’Azur, France | | | Historic | 1926 | COLLECTED | | | | | | | | 1723042 | PI 69853 |
| 157 | PI 61366 | | Euphorbia abyssinica J. F. Gmel. | Libya | | | Historic | 1924 | | | | | | | | | 1500277 | PI 61366 |
| 158 | PI 61329 | | Euphorbia abyssinica J. F. Gmel. | Eritrea | | | Historic | 1924 | | | | | | | | | 1500266 | PI 61329 |
| 159 | PI 58900 | Palo amarillo | Euphorbia tanquahuete Sessé & Moc. | Florida, United States | | | Historic | 1924 | COLLECTED | | | | | | | | 1499915 | PI 58900 |
| 160 | PI 53575 | | Euphorbia royleana Boiss. | Uttar Pradesh, India | | | Historic | 1921 | | | | | | | | | 1653063 | PI 53575 |
| 161 | PI 52398 | | Euphorbia sp. | Thailand | | | Historic | 1921 | | | | | | | | | 1506145 | PI 52398 |
| 162 | PI 51346 | Hierba de chicle | Euphorbia sp. | Aguascalientes, Mexico | | | Historic | 1920 | | | | | | | | | 1619010 | PI 51346 |
| 163 | PI 50657 | Flor de pascua | Euphorbia leucocephala Lotsy | Guatemala, Guatemala | | | Historic | 1920 | COLLECTED | | | | | | | | 1618357 | PI 50657 |
| 164 | PI 48458 | No. 170 | Euphorbia sp. | Democratic Republic of the Congo | | | Historic | 1919 | | | | | | | | | 1614580 | PI 48458 |
| 165 | PI 41546 | No. 4351 | Euphorbia sp. | Bhutan | | | Historic | 1915 | | | | | | | | | 1605824 | PI 41546 |
| 166 | PI 32840 | | Euphorbia cymbifera (Schltdl.) V. W. Steinm. | Veracruz de Ignacio de la Llave, Mexico | | | Historic | 1912 | COLLECTED | | | | | | | | 1520172 | PI 32840 |
| 167 | PI 29151 | | Euphorbia canariensis L. | Canarias, Spain | | | Historic | 1910 | | | | | | | | | 1518196 | PI 29151 |
| 168 | PI 27955 | | Euphorbia resinifera O. Berg | Alger, Algeria | | | Historic | 1910 | | | | | | | | | 1517606 | PI 27955 |
| 169 | PI 25511 | | Euphorbia antisyphilitica Zucc. | Coahuila de Zaragoza, Mexico | | | Historic | 1909 | | | | | | | | | 1523138 | PI 25511 |
| 170 | PI 19960 | | Euphorbia sp. | Ghana | | | Historic | 1907 | | | | | | | | | 1532833 | PI 19960 |
| 171 | PI 13140 | | Euphorbia sp. | Zimbabwe | | | Historic | 1905 | | | | | | | | | 1571691 | PI 13140 |
| 172 | PI 10693 | | Euphorbia canariensis L. | Canarias, Spain | | | Historic | 1904 | | | | | | | | | 1553714 | PI 10693 |
| 173 | PI 10694 | | Euphorbia regis-jubae Webb & Berthel. | Canarias, Spain | | | Historic | 1904 | | | | | | | | | 1553715 | PI 10694 |
| 174 | PI 9866 | | Euphorbia pulcherrima Willd. ex Klotzsch | Jamaica | | | Historic | 1903 | COLLECTED | | | | | | | | 1549668 | PI 9866 |
| 175 | PI 9712 | | Euphorbia pulcherrima Willd. ex Klotzsch | Jamaica | | | Historic | 1903 | COLLECTED | | | | | | | | 1549408 | PI 9712 |
| 176 | PI 9632 | | Euphorbia sp. | Cape Province, South Africa | | | Historic | 1903 | | | | | | | | | 1549338 | PI 9632 |
| 177 | PI 8438 | | Euphorbia pulcherrima Willd. ex Klotzsch | Maharashtra, India | | | Historic | 1902 | COLLECTED | | | | | | | | 1547631 | PI 8438 |
| 178 | PI 8289 | | Euphorbia sp. | Provence-Alpes-Côte-d’Azur, France | | | Historic | 1902 | | | | | | | | | 1547397 | PI 8289 |
| 179 | PI 6667 | | Euphorbia lathyris L. | Unknown | | | Historic | 1901 | COLLECTED | | | | | | | | 1544050 | PI 6667 |
| 180 | PI 3031 | | Euphorbia canariensis L. | France | | | Historic | 1899 | | | | | | | | | 1537218 | PI 3031 |
| 181 | PI 3342 | | Euphorbia abyssinica J. F. Gmel. | Algeria | | | Historic | 1899 | | | | | | | | | 1537530 | PI 3342 |
| 182 | PI 956 | NEH1897 | Euphorbia lathyris L. | Chita, Russian Federation | | | Historic | 1898 | COLLECTED | | | | | | Uncertain improvement status | | 1482135 | PI 956 |
| 183 | Ames 36297 | Dinesen Prairie | Euphorbia corollata L. | Iowa, United States | NC7 |  | | 2024 | COLLECTED | 09/06/2024 | Dinesen Prairie State Preserve located 4.5 miles northeast of Harlan, T80N R38W SW ¼ Sec. 28. | 41.70867300, -95.28054700 | 408 | Prairie remnant. | Wild material | | 2170470 | Ames 36297 |
| 184 | Ames 36298 | Cedar Hills Sand Prairie | Euphorbia corollata L. | Iowa, United States | NC7 |  | | 2024 | COLLECTED | 08/31/2024 | Cedar Hills Sand Prairie State Preserve approximately 7.5 miles northwest of Cedar Falls, T90N R14W SW ¼ SW ¼ NW ¼ Sec. 19. | 42.59325300, -92.55286500 | 281 | Prairie remnant. | Wild material | | 2170471 | Ames 36298 |
| 185 | Ames 36299 | Beaver Township Cemetery Prairie | Euphorbia corollata L. | Iowa, United States | NC7 |  | Not Available | 2024 | COLLECTED | 09/04/2024 | Beaver Township Cemetery located just southwest of Stout just of P Avenue, T89N R16W NW ¼ SW ¼ Sec. 27. | 42.48951400, -92.73038400 | 324 | Prairie remnant. | Wild material | | 2170472 | Ames 36299 |
| 186 | MIA 37315 Orna | MIA 37315 Orna | Euphorbia punicea Sw. | | MIA | | Not Available | 2024 | | | | | | | | | 2170685 | MIA 37315 Orna |
| 187 | NA 88629 | KY23-032 | Euphorbia corollata L. | Kentucky, United States | NA | | | 2023 | COLLECTED | 09/11/2023 | Daniel Boone National Forest: Bee Rock Loop Trail along Rockcastle River. | 37.03537000, -84.30551000 | 229 | Riverscour grassland, edge of river, river scour/boulder pile. Elevation: 750 feet. Aspect: Southeast. | Wild material | | 2158721 | NA 88629 |
| 188 | NA 83862 | 'Sticks on Fire' | Euphorbia tirucalli L. | | NA | | Not Available | 2023 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Euphorbia tirucalli 'Sticks on Fire'. The cultivar name 'Rosea' was never valid, and there is no way to distinguish it from the form 'Sticks on Fire'. | 2153425 | NA 83862 |
| 189 | NA 82471 | 'Sticks on Fire' | Euphorbia tirucalli L. | | NA | | Not Available | 2023 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Euphorbia tirucalli 'Sticks on Fire'. | 2152950 | NA 82471 |
| 190 | NA 82460 | NA 82460 | Euphorbia lomelii V. W. Steinm. | | NA | | Not Available | 2023 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Euphorbia lomelii. Received from a volunteer that works in Fern Valley Native Plant Collection, who obtained it from an Arizona botanical garden. Received as Pedilanthus macrostachys, an apparent error for Pedilanthus macrocarpus, now Euphorbia lomelii. An online search revealed that Phoenix Desert Botanical Garden cultivates this plant, so they are a possible prior source. -SBL | 2152940 | NA 82460 |
| 191 | OPGC 8740 | CA930-1011 | Euphorbia micromera Boiss. ex Engelm. | California, United States | OPGC | | | 2023 | | | | | | | Wild material | | 2142690 | OPGC 8740 |
| 192 | OPGC 8834 | CBG- 10840 | Euphorbia maculata L. | South Dakota, United States | OPGC | | Not Available | 2023 | | | | | | | Wild material | | 2142289 | OPGC 8834 |
| 193 | OPGC 8636 | CA930A-990 | Euphorbia micromera Boiss. ex Engelm. | California, United States | OPGC |  | | 2022 | | | | | | | Wild material | | 2138465 | OPGC 8636 |
| 194 | OPGC 7867 | NM030-106 | Euphorbia serpyllifolia Pers. | New Mexico, United States | OPGC |  | | 2019 | | | | | | | Wild material | | 2094637 | OPGC 7867 |
| 195 | OPGC 7868 | NM030-107 | Euphorbia serrula Engelm. | New Mexico, United States | OPGC |  | | 2019 | | | | | | | Wild material | Chamaesyce serrula | 2094638 | OPGC 7868 |
| 196 | OPGC 7869 | NM030-108 | Euphorbia micromera Boiss. ex Engelm. | New Mexico, United States | OPGC |  | | 2019 | | | | | | | Wild material | | 2094639 | OPGC 7869 |
| 197 | NA 85737 | NA 85737 | Euphorbia corollata L. | | NA | | Not Available | 2019 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Euphorbia corollata. | 2154364 | NA 85737 |
| 198 | OPGC 7839 | CA930A-795 | Euphorbia micromera Boiss. ex Engelm. | California, United States | OPGC |  | | 2019 | | | | | | | Wild material | | 2092020 | OPGC 7839 |
| 199 | OPGC 7783 | CA930A-648 | Euphorbia setiloba Engelm. | California, United States | OPGC | | | 2018 | | | | | | | Wild material | | 1958132 | OPGC 7783 |
| 200 | OPGC 7761 | CA930A-568 | Euphorbia micromera Boiss. ex Engelm. | California, United States | OPGC |  | Not Available | 2017 | | | | | | | Wild material | | 1948982 | OPGC 7761 |
| 201 | OPGC 7762 | CA930A-569 | Euphorbia setiloba Engelm. | California, United States | OPGC |  | | 2017 | | | | | | | Wild material | | 1948983 | OPGC 7762 |
| 202 | OPGC 7763 | CA930A-573 | Euphorbia setiloba Engelm. | California, United States | OPGC |  | Not Available | 2017 | | | | | | | Wild material | | 1948985 | OPGC 7763 |
| 203 | OPGC 7764 | CA930A-574 | Euphorbia micromera Boiss. ex Engelm. | California, United States | OPGC |  | Not Available | 2017 | | | | | | | Wild material | | 1948986 | OPGC 7764 |
| 204 | OPGC 7765 | CA930A-576 | Euphorbia micromera Boiss. ex Engelm. | California, United States | OPGC |  | Not Available | 2017 | | | | | | | Wild material | | 1948987 | OPGC 7765 |
| 205 | OPGC 7766 | NV052-610 | Euphorbia polycarpa Benth. | Nevada, United States | OPGC |  | Not Available | 2017 | | | | | | | Wild material | | 1949061 | OPGC 7766 |
| 206 | OPGC 7738 | CA930A-490 | Euphorbia polycarpa Benth. | California, United States | OPGC |  | | 2015 | | | | | | | Wild material | | 1930595 | OPGC 7738 |
| 207 | OPGC 7737 | CA930A-474 | Euphorbia micromera Boiss. ex Engelm. | California, United States | OPGC |  | | 2015 | | | | | | | Wild material | | 1930579 | OPGC 7737 |
| 208 | OPGC 7736 | CA930A-473 | Euphorbia polycarpa Benth. | California, United States | OPGC |  | Not Available | 2015 | | | | | | | Wild material | | 1930578 | OPGC 7736 |
| 209 | OPGC 7735 | CA930A-459 | Euphorbia setiloba Engelm. | California, United States | OPGC |  | | 2015 | | | | | | | Wild material | | 1930566 | OPGC 7735 |
| 210 | OPGC 7734 | CA930A-457 | Euphorbia polycarpa Benth. | California, United States | OPGC |  | | 2015 | | | | | | | Wild material | | 1930564 | OPGC 7734 |
| 211 | OPGC 7733 | CA930A-440 | Euphorbia micromera Boiss. ex Engelm. | California, United States | OPGC |  | Not Available | 2015 | | | | | | | Wild material | | 1930556 | OPGC 7733 |
| 212 | OPGC 7732 | CA930A-437 | Euphorbia micromera Boiss. ex Engelm. | California, United States | OPGC |  | | 2015 | | | | | | | Wild material | | 1930553 | OPGC 7732 |
| 213 | OPGC 7731 | CA930A-436 | Euphorbia setiloba Engelm. | California, United States | OPGC | | | 2015 | | | | | | | Wild material | | 1930552 | OPGC 7731 |
| 214 | OPGC 7730 | CA930A-415 | Euphorbia micromera Boiss. ex Engelm. | California, United States | OPGC |  | | 2015 | | | | | | | Wild material | | 1930439 | OPGC 7730 |
| 215 | OPGC 7729 | CA930A-411 | Euphorbia micromera Boiss. ex Engelm. | California, United States | OPGC |  | Not Available | 2015 | | | | | | | Wild material | | 1930438 | OPGC 7729 |
| 216 | NA 84732 | NA 84732 | Euphorbia marginata Pursh | | NA | | Not Available | 2015 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Euphorbia marginata. Herbaceous annual, reseeding. | 2153761 | NA 84732 |
| 217 | Ames 34236 | CBG-2630 | Euphorbia corollata L. | Wisconsin, United States | NC7 |  | Not Available | 2015 | COLLECTED | 09/05/2013 | Lone Rock Prairie T3N R11E Sec. 31. | 42.68333300, -89.23333300 | 265 | Prairie remnant with limestone over sandstone. Road right of way (gravel hill). | Wild material | | 1926085 | Ames 34236 |
| 218 | NA 84832 | NA 84832 | Euphorbia dendroides L. | | NA | | Not Available | 2014 | | | | | | | Wild material | Full name as recorded at U.S. National Arboretum: Euphorbia dendroides. | 2153802 | NA 84832 |
| 219 | NA 80910 | NA 80910 | Euphorbia characias L. subsp. wulfenii (Hoppe ex W. D. J. Koch) Radcl.-Sm. | | NA | | Not Available | 2012 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Euphorbia characias subsp. wulfenii. | 2152296 | NA 80910 |
| 220 | NA 80391 | NA 80391 | Euphorbia marginata Pursh | South Dakota, United States | NA | | Not Available | 2010 | COLLECTED | 08/03/2010 | Cascade Falls | 43.31840000, -103.56363000 | 1009 | Open grassy meadow up from Cascade Falls | | | 1950843 | NA 80391 |
| 221 | Ames 31326 | 422190 | Euphorbia capitulata Rchb. | United States | NC7 | | | 2009 | COLLECTED | 12/20/2007 | | | 995 | Semi-desert grassland. Associated with Prosopis velutina, Acacia greggii, Celtis pallida, Baccharis sarothroides, Opuntia engelmannii, Pleuraphis mutica, Hilaria belangeri, Leptochloa panicea ssp. brachiata, Ambrosia confertiflora. | Wild material | | 1826950 | Ames 31326 |
| 222 | OPGC 2467 | KT 10 | Euphorbia corollata L. | Ohio, United States | OPGC | | Not Available | 2005 | COLLECTED | 10/04/2005 | Kitty Todd Nature Preserve. Oak Openings Region, Lucas County, southwest of Toledo - managed by the Nature Conservancy | 41.61833333, -83.79166667 | 61 | Black oak savanna | Wild material | | 1691084 | OPGC 2467 |
| 223 | OPGC 2450 | GC 19 | Euphorbia corollata L. | Ohio, United States | OPGC | | Not Available | 2005 | COLLECTED | 09/21/2005 | Green Camp Railroad Prairie, managed by the Marion County Historical Society, Marion County, | 40.54833333, -83.19138889 | 284 | | Wild material | | 1691067 | OPGC 2450 |
| 224 | OPGC 2407 | EOAL Sept 05 7 | Euphorbia corollata L. | Ohio, United States | OPGC | | Not Available | 2005 | COLLECTED | 09/07/2005 | Lynx Prairie, Edge of Appalachia Preserve, managed by The Nature Conservancy, Adams County | 38.76250000, -83.40111111 | | Cedar barrens remnant, xeric limestone prairie | Wild material | | 1691025 | OPGC 2407 |
| 225 | Ames 28228 | Stucker Meadow 14 | Euphorbia corollata L. | Ohio, United States | NC7 | | Not Available | 2004 | COLLECTED | | Prairie Township, Holmes County. | | | | Wild material | | 1690740 | Ames 28228 |
| 226 | OPGC 1015 | OPGC 1015 | Euphorbia corollata L. | Wisconsin, United States | OPGC | | Not Available | 2004 | COLLECTED | PRE 2004 | South-central Wisconsin | | | | Wild material | | 1690225 | OPGC 1015 |
| 227 | Ames 27289 | Index Seminum 172 | Euphorbia amygdaloides L. | Poland | NC7 | | Not Available | 2003 | COLLECTED | 2002 | | | | | Wild material | | 1650684 | Ames 27289 |
| 228 | Ames 25298 | Index Seminum 601 | Euphorbia exigua L. | Portugal | NC7 | | Not Available | 1999 | COLLECTED | 05/31/1998 | Condeixa. | | | | Wild material | | 1578541 | Ames 25298 |
| 229 | Ames 25299 | Index Seminum 1793 | Euphorbia helioscopia L. | Coimbra, Portugal | NC7 | | Not Available | 1999 | COLLECTED | 03/24/1998 | Coimbra. | 40.20000000, -8.41666667 | | | Wild material | | 1578542 | Ames 25299 |
| 230 | Ames 25300 | Index Seminum 608 | Euphorbia peplus L. | Coimbra, Portugal | NC7 | | Not Available | 1999 | COLLECTED | 03/08/1998 | Coimbra. | 40.20000000, -8.41666667 | | | Wild material | | 1578543 | Ames 25300 |
| 231 | Ames 25301 | Index Seminum 610 | Euphorbia pterococca Brot. | Portugal | NC7 | | Not Available | 1999 | COLLECTED | 05/20/1998 | Povoa das Pigas. | | | | Wild material | | 1578544 | Ames 25301 |
| 232 | Ames 25302 | Index Seminum 612 | Euphorbia uliginosa Welw. ex Boiss. | Portugal | NC7 | | Not Available | 1999 | COLLECTED | 06/08/1998 | Valdoeiro. | | | | Wild material | | 1578545 | Ames 25302 |
| 233 | Ames 25020 | Index Seminum 802 | Euphorbia lathyris L. | Sachsen-Anhalt, Germany | NC7 | | Not Available | 1998 | COLLECTED | PRE 09/1998 | Weissenfels. | 51.20000000, 11.96666667 | | | Wild material | | 1563271 | Ames 25020 |
| 234 | Ames 24662 | Index Seminum 154 | Euphorbia seguieriana Neck. | Hungary | NC7 | | Not Available | 1998 | COLLECTED | 1997 | Near Tatarszentgyorgy and Orgovany. Part of the Great Hungarian Plain between the Duna (Danube) and Tisza rivers, region of Kiskunsag. | | | Sand dunes and alkaline sand steppes. | Wild material | | 1558920 | Ames 24662 |
| 235 | Ames 24687 | Index Seminum 599 | Euphorbia characias L. subsp. characias | Portugal | NC7 | | Not Available | 1998 | COLLECTED | 04/27/1997 | Porto de Mos. | | | | Wild material | | 1559000 | Ames 24687 |
| 236 | Ames 24688 | Index Seminum 600 | Euphorbia dulcis L. | Coimbra, Portugal | NC7 | | Not Available | 1998 | COLLECTED | 07/22/1997 | Candal, Serra da Lousa mountains. | 40.08333333, -8.20000000 | | | Wild material | | 1559001 | Ames 24688 |
| 237 | Ames 24689 | Index Seminum 603 | Euphorbia hirsuta L. | Coimbra, Portugal | NC7 | | Not Available | 1998 | COLLECTED | 07/20/1997 | Fontela, in the vicinity of Figueira da Foz. | 40.15000000, -8.81666667 | | | Wild material | | 1559002 | Ames 24689 |
| 238 | Ames 24690 | Index Seminum 606 | Euphorbia paralias L. | Coimbra, Portugal | NC7 | | Not Available | 1998 | COLLECTED | 07/20/1997 | Gala, in the vicinity of Figueira da Foz. | 40.13333333, -8.85000000 | | | Wild material | | 1559003 | Ames 24690 |
| 239 | Ames 24807 | NU 44782 | Euphorbia hypericifolia L. | Pakistan | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567702 | Ames 24807 |
| 240 | Ames 24808 | NU 62765 | Euphorbia maculata L. | Illinois, United States | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | Peoria. | | | | Wild material | Herbaceous perennial, 0.08-1 meter tall. | 1567703 | Ames 24808 |
| 241 | Ames 24809 | NU 63340 | Euphorbia maculata L. | Illinois, United States | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | Peoria. | | | | Wild material | Herbaceous perennial, 0.08-1 meter tall. | 1567786 | Ames 24809 |
| 242 | Ames 24810 | NU 63670 | Euphorbia maculata L. | Illinois, United States | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | Peoria. | | | | Wild material | | 1567704 | Ames 24810 |
| 243 | Ames 24811 | NU 45831 | Euphorbia nutans Lag. | Spain | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567705 | Ames 24811 |
| 244 | Ames 24812 | NU 43495 | Euphorbia altissima Boiss. | Ankara, Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567706 | Ames 24812 |
| 245 | Ames 24813 | NU 42374 | Euphorbia amygdaloides L. | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567707 | Ames 24813 |
| 246 | Ames 24814 | NU 43547 | Euphorbia anacampseros Boiss. | Ankara, Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567708 | Ames 24814 |
| 247 | Ames 24815 | NU 46449 | Euphorbia arguta Banks & Sol. | Israel | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567782 | Ames 24815 |
| 248 | Ames 24816 | NU 45539 | Euphorbia boetica Boiss. | Spain | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567709 | Ames 24816 |
| 249 | Ames 24817 | NU 46575 | Euphorbia oxyphylla Boiss. | Spain | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567710 | Ames 24817 |
| 250 | Ames 24818 | NU 49332 | Euphorbia characias L. | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567787 | Ames 24818 |
| 251 | Ames 24819 | NU 43570 | Euphorbia clavigera N. E. Br. | Spain | NC7 | | Not Available | 1998 | | | | | | | Wild material | | 1567711 | Ames 24819 |
| 252 | Ames 24820 | NU 44096 | Euphorbia cornigera Boiss. | Pakistan | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567712 | Ames 24820 |
| 253 | Ames 24821 | NU 62763 | Euphorbia corollata L. | Illinois, United States | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | Peoria. | | | | Wild material | Herbaceous perennial, up to 1 meter tall. | 1567713 | Ames 24821 |
| 254 | Ames 24822 | NU 63255 | Euphorbia corollata L. | Illinois, United States | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | Peoria. | | | | Wild material | Herbaceous perennial, up to 1 meter tall. | 1567714 | Ames 24822 |
| 255 | Ames 24823 | NU 63264 | Euphorbia corollata L. | Illinois, United States | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | Peoria. | | | | Wild material | Herbaceous perennial, up to 1 meter tall. | 1567715 | Ames 24823 |
| 256 | Ames 24824 | NU 63425 | Euphorbia corollata L. | Illinois, United States | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | Decatur. | | | | Wild material | Herbaceous perennial, up to 1 meter tall. | 1567716 | Ames 24824 |
| 257 | Ames 24825 | NU 45077 | Euphorbia cyparissias L. | Former Serbia and Montenegro | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567783 | Ames 24825 |
| 258 | Ames 24826 | NU 46455 | Euphorbia dendroides L. | Israel | NC7 | | Not Available | 1998 | | | | | | | Wild material | | 1567717 | Ames 24826 |
| 259 | Ames 24827 | NU 61667 | Euphorbia dentata Michx. | Colorado, United States | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | Larimer County. | | | | Wild material | | 1567718 | Ames 24827 |
| 260 | Ames 24828 | NU 62764 | Euphorbia dentata Michx. | Illinois, United States | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | Peoria. | | | | Wild material | Herbaceous annual, 0.2-1.2 meters tall. | 1567788 | Ames 24828 |
| 261 | Ames 24829 | NU 63414 | Euphorbia dentata Michx. | Wisconsin, United States | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | Hartland. | | | | Wild material | Herbaceous annual, 0.2-1.2 meters tall. | 1567719 | Ames 24829 |
| 262 | Ames 24830 | NU 63415 | Euphorbia dentata Michx. | Wisconsin, United States | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | Hartland. | | | | Wild material | Herbaceous annual, 0.2-1.2 meters tall. | 1567720 | Ames 24830 |
| 263 | Ames 24831 | NU 62095 | Euphorbia dracunculoides Lam. | India | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567721 | Ames 24831 |
| 264 | Ames 24832 | NU 46405 | Euphorbia epithymoides L. | Spain | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567722 | Ames 24832 |
| 265 | Ames 24833 | NU 43460 | Euphorbia eriophora Boiss. | Ankara, Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567723 | Ames 24833 |
| 266 | Ames 24834 | NU 44586 | Euphorbia eriophora Boiss. | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567724 | Ames 24834 |
| 267 | Ames 24835 | NU 44596 | Euphorbia eriophora Boiss. | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567725 | Ames 24835 |
| 268 | Ames 24836 | NU 46143 | Euphorbia eriophora Boiss. | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567789 | Ames 24836 |
| 269 | Ames 24837 | NU 49177 | Euphorbia esula L. | Saskatchewan, Canada | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567784 | Ames 24837 |
| 270 | Ames 24838 | NU 43947 | Euphorbia falcata L. | Pakistan | NC7 | | | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567726 | Ames 24838 |
| 271 | Ames 24839 | NU 46791 | Euphorbia falcata L. | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567727 | Ames 24839 |
| 272 | Ames 24840 | NU 44914 | Euphorbia grossheimii Prokh. | Israel | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567728 | Ames 24840 |
| 273 | Ames 24841 | NU 45076 | Euphorbia helioscopia L. | Former Serbia and Montenegro | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567729 | Ames 24841 |
| 274 | Ames 24842 | NU 46246 | Euphorbia helioscopia L. | Pakistan | NC7 | | | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567730 | Ames 24842 |
| 275 | Ames 24843 | NU 46296 | Euphorbia helioscopia L. | Spain | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567731 | Ames 24843 |
| 276 | Ames 24844 | NU 46792 | Euphorbia herniariifolia Willd. | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567732 | Ames 24844 |
| 277 | Ames 24845 | NU 17314 | Euphorbia heterophylla L. | Maryland, United States | NC7 | | Not Available | 1998 | DONATED | PRE 04/1998 | | | | | Uncertain improvement status | | 1567790 | Ames 24845 |
| 278 | Ames 24846 | NU 40484 | Euphorbia heterophylla L. | Texas, United States | NC7 | | Not Available | 1998 | DONATED | PRE 04/1998 | | | | | Uncertain improvement status | | 1567733 | Ames 24846 |
| 279 | Ames 24847 | NU 40557 | Euphorbia heterophylla L. | Nebraska, United States | NC7 | | Not Available | 1998 | DONATED | PRE 04/1998 | | | | | Uncertain improvement status | | 1567734 | Ames 24847 |
| 280 | Ames 24848 | NU 44132 | Euphorbia heterophylla L. | Pakistan | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567781 | Ames 24848 |
| 281 | Ames 24849 | NU 48933 | Euphorbia heterophylla L. | England, United Kingdom | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567785 | Ames 24849 |
| 282 | Ames 24850 | NU 43009 | Euphorbia hierosolymitana Boiss. | Israel | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567735 | Ames 24850 |
| 283 | Ames 24851 | NU 45827 | Euphorbia hirsuta L. | Spain | NC7 | | | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567736 | Ames 24851 |
| 284 | Ames 24852 | NU 42738 | Euphorbia kotschyana Fenzl | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567737 | Ames 24852 |
| 285 | Ames 24853 | NU 46793 | Euphorbia kotschyana Fenzl | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567738 | Ames 24853 |
| 286 | Ames 24854 | NU 44776 | Euphorbia lagascae Spreng. | Spain | NC7 | | | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567739 | Ames 24854 |
| 287 | Ames 24855 | NU 46411 | Euphorbia lagascae Spreng. | Spain | NC7 | | | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567740 | Ames 24855 |
| 288 | Ames 24856 | NU 46412 | Euphorbia lagascae Spreng. | Spain | NC7 | | | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567796 | Ames 24856 |
| 289 | Ames 24857 | NU 46413 | Euphorbia lagascae Spreng. | Spain | NC7 | | | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567741 | Ames 24857 |
| 290 | Ames 24858 | NU 46414 | Euphorbia lagascae Spreng. | Spain | NC7 | | | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567791 | Ames 24858 |
| 291 | Ames 24859 | NU 50457 | Euphorbia lagascae Spreng. | Maryland, United States | NC7 | | | 1998 | DONATED | PRE 04/1998 | | | | | Uncertain improvement status | | 1567742 | Ames 24859 |
| 292 | Ames 24860 | NU 50458 | Euphorbia lagascae Spreng. | Illinois, United States | NC7 | | | 1998 | COLLECTED | PRE 04/1998 | Peoria. | | | | Wild material | | 1567743 | Ames 24860 |
| 293 | Ames 24861 | NU 50777 | Euphorbia lagascae Spreng. | Iowa, United States | NC7 | | Not Available | 1998 | DONATED | PRE 04/1998 | | | | | Uncertain improvement status | | 1567744 | Ames 24861 |
| 294 | Ames 24862 | NU 50778 | Euphorbia lagascae Spreng. | Iowa, United States | NC7 | | Not Available | 1998 | DONATED | PRE 04/1998 | | | | | Uncertain improvement status | | 1567745 | Ames 24862 |
| 295 | Ames 24863 | NU 50779 | Euphorbia lagascae Spreng. | Iowa, United States | NC7 | | | 1998 | DONATED | PRE 04/1998 | | | | | Uncertain improvement status | | 1567746 | Ames 24863 |
| 296 | Ames 24864 | NU 50780 | Euphorbia lagascae Spreng. | Iowa, United States | NC7 | | | 1998 | DONATED | PRE 04/1998 | | | | | Uncertain improvement status | | 1567747 | Ames 24864 |
| 297 | Ames 24865 | NU 64533 | Euphorbia lagascae Spreng. | Illinois, United States | NC7 | | | 1998 | DONATED | PRE 04/1998 | | | | | Uncertain improvement status | | 1567748 | Ames 24865 |
| 298 | Ames 24866 | NU 45290 | Euphorbia lathyris L. | Former Serbia and Montenegro | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567749 | Ames 24866 |
| 299 | Ames 24867 | NU 46487 | Euphorbia lathyris L. | Spain | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567750 | Ames 24867 |
| 300 | Ames 24868 | NU 49151 | Euphorbia lathyris L. | | NC7 | | Not Available | 1998 | DONATED | PRE 03/1998 | | | | | Uncertain improvement status | | 1567751 | Ames 24868 |
| 301 | Ames 24869 | NU 47726 | Euphorbia macrocarpa Buhse & Boiss. | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567792 | Ames 24869 |
| 302 | Ames 24870 | NU 17289 | Euphorbia marginata Pursh | Maryland, United States | NC7 | | Not Available | 1998 | DONATED | PRE 04/1998 | | | | | Uncertain improvement status | | 1567752 | Ames 24870 |
| 303 | Ames 24871 | NU 27133 | Euphorbia marginata Pursh | Nebraska, United States | NC7 | | Not Available | 1998 | DONATED | PRE 04/1998 | | | | | Uncertain improvement status | | 1567753 | Ames 24871 |
| 304 | Ames 24872 | NU 40556 | Euphorbia marginata Pursh | Nebraska, United States | NC7 | | Not Available | 1998 | DONATED | PRE 04/1998 | | | | | Uncertain improvement status | | 1567754 | Ames 24872 |
| 305 | Ames 24873 | NU 45540 | Euphorbia matritensis Boiss. | Spain | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567755 | Ames 24873 |
| 306 | Ames 24874 | NU 41459 | Euphorbia mauritanica L. | | NC7 | | Not Available | 1998 | | | | | | | Wild material | | 1567756 | Ames 24874 |
| 307 | Ames 24875 | NU 43962 | Euphorbia medicaginea Boiss. | Spain | NC7 | | | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567757 | Ames 24875 |
| 308 | Ames 24876 | NU 47727 | Euphorbia microsphaera Boiss. | Turkey | NC7 | | | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567758 | Ames 24876 |
| 309 | Ames 24877 | NU 44182 | Euphorbia myrsinites L. | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567793 | Ames 24877 |
| 310 | Ames 24878 | NU 45481 | Euphorbia nicaeensis All. | Spain | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567759 | Ames 24878 |
| 311 | Ames 24879 | NU 46490 | Euphorbia nicaeensis All. | Spain | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567760 | Ames 24879 |
| 312 | Ames 24880 | NU 45807 | Euphorbia oblongata Griseb. | Former Serbia and Montenegro | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567761 | Ames 24880 |
| 313 | Ames 24881 | NU 47729 | Euphorbia orientalis L. | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567762 | Ames 24881 |
| 314 | Ames 24882 | NU 46171 | Euphorbia palustris L. | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567763 | Ames 24882 |
| 315 | Ames 24883 | NU 46794 | Euphorbia palustris L. | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567764 | Ames 24883 |
| 316 | Ames 24884 | NU 42063 | Euphorbia paralias L. | Israel | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567765 | Ames 24884 |
| 317 | Ames 24885 | NU 43554 | Euphorbia paralias L. | Ankara, Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567766 | Ames 24885 |
| 318 | Ames 24886 | NU 46276 | Euphorbia peplus L. | Pakistan | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567794 | Ames 24886 |
| 319 | Ames 24887 | NU 47251 | Euphorbia peplus L. | Spain | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567767 | Ames 24887 |
| 320 | Ames 24888 | NU 42856 | Euphorbia segetalis L. | Spain | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567768 | Ames 24888 |
| 321 | Ames 24889 | NU 43481 | Euphorbia sequieriana Neck. | Ankara, Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567769 | Ames 24889 |
| 322 | Ames 24890 | NU 47728 | Euphorbia sequieriana Neck. | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567770 | Ames 24890 |
| 323 | Ames 24891 | NU 42585 | Euphorbia serrata L. | Spain | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567771 | Ames 24891 |
| 324 | Ames 24892 | NU 32887 | Euphorbia sp. | Mexico | NC7 | | Not Available | 1998 | | | | | | | Wild material | | 1567772 | Ames 24892 |
| 325 | Ames 24893 | NU 41738 | Euphorbia sp. | Turkey | NC7 | | Not Available | 1998 | | | | | | | Wild material | | 1567773 | Ames 24893 |
| 326 | Ames 24894 | NU 44597 | Euphorbia sp. | Turkey | NC7 | | Not Available | 1998 | | | | | | | Wild material | | 1567795 | Ames 24894 |
| 327 | Ames 24895 | NU 46045 | Euphorbia sp. | Turkey | NC7 | | Not Available | 1998 | | | | | | | Wild material | | 1567774 | Ames 24895 |
| 328 | Ames 24896 | NU 46796 | Euphorbia sp. | Turkey | NC7 | | Not Available | 1998 | | | | | | | Wild material | | 1567775 | Ames 24896 |
| 329 | Ames 24897 | NU 47730 | Euphorbia sp. | Turkey | NC7 | | Not Available | 1998 | | | | | | | Wild material | | 1567776 | Ames 24897 |
| 330 | Ames 24898 | NU 47142 | Euphorbia spathulata Lam. | Uruguay | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567777 | Ames 24898 |
| 331 | Ames 24899 | NU 47238 | Euphorbia squamigera Loisel. | Spain | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567778 | Ames 24899 |
| 332 | Ames 24900 | NU 43025 | Euphorbia terracina L. | Israel | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567779 | Ames 24900 |
| 333 | Ames 24901 | NU 43466 | Euphorbia valerianifolia Lam. | Ankara, Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 04/1998 | | | | | Wild material | | 1567780 | Ames 24901 |
| 334 | Ames 23757 | Index Seminum 127 | Euphorbia seguieriana Neck. | Pest, Hungary | | | Historic | 1997 | COLLECTED | PRE 1997 | Near Tatarszentgyorgy, Kiskunsag. Part of the Great Hungarian Plain between the rivers Duna (Danube) and Tisza. | 47.06666667, 19.38333333 | | Sand-steppes. | Wild material | | 1543741 | Ames 23757 |
| 335 | Ames 23230 | 177 | Euphorbia bungei Boiss. | Tehrān, Iran | NC7 | | Not Available | 1996 | COLLECTED | PRE 1996 | Delijan to Ghum (old road). | | 1300 | | Wild material | | 1531435 | Ames 23230 |
| 336 | Ames 23183 | 222 | Euphorbia dulcis L. | Sachsen, Germany | | | Historic | 1996 | COLLECTED | PRE 1995 | Bohlen | | | | | | 1528927 | Ames 23183 |
| 337 | Ames 23127 | EUPH 1/78 | Euphorbia lathyris L. | Germany | NC7 | | Not Available | 1996 | DONATED | | | | | | Cultivated material | | 1523684 | Ames 23127 |
| 338 | Ames 23128 | EUPH 3/76 | Euphorbia lathyris L. | Former, Soviet Union | NC7 | | Not Available | 1996 | COLLECTED | 1975 | | | | | Cultivated material | Research Station in Cuba, breeder material. K. Hammer collector. | 1523685 | Ames 23128 |
| 339 | Ames 23129 | EUPH 4/87 | Euphorbia lathyris L. | Phyeongannamto, Korea, North | NC7 | | Not Available | 1996 | COLLECTED | 10/29/1986 | Sangbong, 30 km N. Phongjang. | | | | Cultivated material | | 1523686 | Ames 23129 |
| 340 | Ames 22898 | CIDA 301 | Euphorbia lagascae Spreng. | Spain | | | Historic | 1996 | COLLECTED | | | | | | Wild material | | 1522490 | Ames 22898 |
| 341 | Ames 22900 | CIDA 303 | Euphorbia lagascae Spreng. | Madrid, Comunidad de, Spain | | | Historic | 1996 | COLLECTED | 1986 | Near Barajas de Melo along Highway C200 from Tarancon at the 50.8 km road marker. | 40.11666667, -2.91666667 | | | Wild material | | 1522352 | Ames 22900 |
| 342 | Ames 22903 | CIDA 307 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1986 | Near Castro del Rio along Highway C329 between Castro del Rio and Bujalance at the 38 km road marker. | 37.68333333, -4.46666667 | | | Wild material | | 1522354 | Ames 22903 |
| 343 | Ames 22905 | CIDA 309 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1986 | Near Lorqui along Highway N301 between Murcia and Albacete. | 38.08333333, -1.25000000 | | | Wild material | | 1522356 | Ames 22905 |
| 344 | Ames 22906 | CIDA 310 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1986 | Near El Algar along Highway N332 between La Union and Torrevieja. Latitude and longitude are estimates. | 37.65000000, -0.85000000 | | | Wild material | | 1522357 | Ames 22906 |
| 345 | Ames 22910 | CIDA 314 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near El Palmar at the junction of Highway N301 between Murcia and Cartagena. | 37.93333333, -1.15000000 | | | Wild material | | 1522360 | Ames 22910 |
| 346 | Ames 22912 | CIDA 315ep | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | | | Historic | 1996 | COLLECTED | 1987 | Near Alhama de Murcia along Highway N340 between Murcia and Almeria at the 627 km road marker. | 37.85000000, -1.41666667 | | | Wild material | | 1522467 | Ames 22912 |
| 347 | Ames 22914 | CIDA 317 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Puerto Lumbreras along Highway CV6202 between Puerto Lumbreras and Aguilas. | 37.56666667, -1.81666667 | | | Wild material | | 1522363 | Ames 22914 |
| 348 | Ames 22915 | CIDA 318 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 |  | | 1996 | COLLECTED | 1987 | Near Altobordo along Highway C3211 between Lorca and Aguilas. Latitude and longitude are estimates. | 37.55000000, -1.68333333 | | | Wild material | | 1522364 | Ames 22915 |
| 349 | Ames 22918 | CIDA 321 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | | | Historic | 1996 | COLLECTED | 1987 | Near Hurchillo along Highway AV3315 between Hurchillo and Arneva. | 38.05000000, -0.91666667 | | | Wild material | | 1522366 | Ames 22918 |
| 350 | Ames 22920 | CIDA 322 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Hurchillo along Highway A331 between Hurchillo and Torremendo at the 5.8 km road marker. | 38.05000000, -0.91666667 | | | Wild material | | 1522368 | Ames 22920 |
| 351 | Ames 22921 | CIDA 323 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | | | Historic | 1996 | COLLECTED | 1987 | Near Venta Tres Hermanos along Highway C3319 between Banos Mendigo and San Javier at the 2 km road marker. Latitude and longitude are estimates. | 37.83333333, -1.00000000 | | | Wild material | | 1522369 | Ames 22921 |
| 352 | Ames 22922 | CIDA 324 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Archena. | 38.11666667, -1.30000000 | | | Wild material | | 1522370 | Ames 22922 |
| 353 | Ames 22924 | CIDA 326 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Rambla del Judio along Highway N301 between Murcia and Albacete. Approximately 3 km from Cieza. Latitude and longitude are estimates. | 38.25000000, -1.46666667 | | | Wild material | | 1522371 | Ames 22924 |
| 354 | Ames 22925 | CIDA 327 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | | | Historic | 1996 | COLLECTED | 1987 | Near Totana along Highway N340 between Murcia and Lorca at the 617 km road marker near Santa Eulalia. | 37.76666667, -1.50000000 | | | Wild material | | 1522493 | Ames 22925 |
| 355 | Ames 22926 | CIDA 328 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Mazarron along Highway C3315 between Mazarron and Totana at the 1.5 km road marker and turnoff to La Pinilla. | 37.60000000, -1.31666667 | | | Wild material | | 1522372 | Ames 22926 |
| 356 | Ames 22927 | CIDA 329 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Mazarron along Highway C3315 between Mazarron and Totana at the 9.8 km road marker and turnoff to Ganuelas. Latitude and longitude are estimates. | 37.65000000, -1.40000000 | | | Wild material | | 1522373 | Ames 22927 |
| 357 | Ames 22928 | CIDA 330 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near San Gines in the vicinity of Alcantarilla and El Palmar. Latitude and longitude are estimates. | 37.95000000, -1.18333333 | | | Wild material | | 1522374 | Ames 22928 |
| 358 | Ames 22929 | CIDA 332 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Zeneta along the highway between Arneva and Torreaguera. | 38.01666667, -0.98333333 | | | Wild material | | 1522375 | Ames 22929 |
| 359 | Ames 22930 | CIDA 333 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Approximately 600 m from Molina de Segura along Highway N301 between Murcia and Madrid. | 38.05000000, -1.20000000 | | | Wild material | | 1522376 | Ames 22930 |
| 360 | Ames 22932 | CIDA 334ep | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | | | Historic | 1996 | COLLECTED | 1987 | | | | | Wild material | | 1522378 | Ames 22932 |
| 361 | Ames 22933 | CIDA 335 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1987 | Near Calasparra along Highway C3314 between Calasparra and Jumilla, 50 m from the turnoff to Cieza. | 38.23333333, -1.70000000 | | | Wild material | | 1522494 | Ames 22933 |
| 362 | Ames 22935 | CIDA 338 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | | | Historic | 1996 | COLLECTED | 1988 | Near Sta Barbara along Highway N344 between Alcantarilla and Las Torres de Cotillas. Latitude and longitude are estimates. | 38.00000000, -1.23333333 | | | Wild material | | 1522379 | Ames 22935 |
| 363 | Ames 22939 | CIDA 342 | Euphorbia lagascae Spreng. | Valenciana, Comunidad, Spain | NC7 |  | | 1996 | COLLECTED | 1988 | Near San Carlos along Highway N340 between Murcia and Alicante at the 692.3 road marker. Latitude and longitude are estimates. | 38.16666667, -0.83333333 | | | Wild material | | 1522383 | Ames 22939 |
| 364 | Ames 22941 | CIDA 344 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | | | Historic | 1996 | COLLECTED | 1988 | Near Albatera (at the entrance) along Highway N340 between Murcia and Alicante. | 38.18333333, -0.86666667 | | | Wild material | | 1522385 | Ames 22941 |
| 365 | Ames 22942 | CIDA 345 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | | | Historic | 1996 | COLLECTED | 1988 | Near Albatera along Highway N340 between Murcia and Alicante at the 38 km road marker. | 38.18333333, -0.86666667 | | | Wild material | | 1522495 | Ames 22942 |
| 366 | Ames 22943 | CIDA 346 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Crevillente at the intersection of Highway N340 between Murcia and Alicante, and Highway C3321 to Torrevieja. | 38.25000000, -0.80000000 | | | Wild material | | 1522386 | Ames 22943 |
| 367 | Ames 22944 | CIDA 347 | Euphorbia lagascae Spreng. | Valenciana, Comunidad, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Los Colleteros along Highway AV4131 in the direction of Abanilla. Latitude and longitude are for Abanilla. | 38.20000000, -1.05000000 | | | Wild material | | 1522387 | Ames 22944 |
| 368 | Ames 22947 | CIDA 350 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | Not Available | 1996 | COLLECTED | 1988 | Near Fortuna along Highway MU411 between Fortuna and Archena. Approximately 100 m from the exit. | 38.18333333, -1.11666667 | | | Wild material | | 1522389 | Ames 22947 |
| 369 | Ames 22948 | CIDA 351 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near La Paloma along Highway N301 between Murcia and Cartagena at the 399 km road marker. | 37.91666667, -1.16666667 | | | Wild material | | 1522390 | Ames 22948 |
| 370 | Ames 22950 | CIDA 353 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Los Ramos along Highway MU301 between Murcia and Sucina. Approximately 2 km from the turnoff to Zeneta and Beniel. | 37.98333333, -1.03333333 | | | Wild material | | 1522392 | Ames 22950 |
| 371 | Ames 22952 | CIDA 355 | Euphorbia lagascae Spreng. | Castilla-La Mancha, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Sucina along Highway MU301 between Murcia and Sucina at the 22.5 km road marker and Venta Pinos. | 37.88333333, -0.93333333 | | | Wild material | | 1522393 | Ames 22952 |
| 372 | Ames 22954 | CIDA 357 | Euphorbia lagascae Spreng. | Castilla-La Mancha, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Cancarix along Highway N301 between Murcia and Madrid at the 322.8 km road marker. | 38.41666667, -1.58333333 | | | Wild material | | 1522395 | Ames 22954 |
| 373 | Ames 22955 | CIDA 358 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 | | | 1996 | COLLECTED | 1988 | Near Minateda along Highway N301 between Murcia and Madrid at the 313.3 km road marker. | 38.46666667, -1.61666667 | | | Wild material | | 1522396 | Ames 22955 |
| 374 | Ames 22956 | CIDA 359 | Euphorbia lagascae Spreng. | Murcia, Región de, Spain | NC7 |  | | 1996 | COLLECTED | 1988 | Near Lomas del Duende along Highway C3319 between Balsicas and the junction of Highways C3319 and N301 at the 4.2 km road marker. Latitude and longitude are estimates. | 37.83333333, -1.08333333 | | | Wild material | | 1522471 | Ames 22956 |
| 375 | Ames 22785 | Ames 22785 | Euphorbia cyathophora Murray | Missouri, United States | NC7 | | Not Available | 1996 | COLLECTED | 1995 | Shaw Arboretum, Franklin County. | | | | Wild material | | 1518744 | Ames 22785 |
| 376 | NA 65212 | NA 65212 | Euphorbia corollata L. | | NA | | Not Available | 1994 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Euphorbia corollata. | 2147500 | NA 65212 |
| 377 | Ames 13897 | 9003744 | Euphorbia lathyris L. | Arizona, United States | NC7 | | Not Available | 1990 | DONATED | 07/26/1990 | | | | | | | 1065247 | Ames 13897 |
| 378 | MIA 30156 | | Euphorbia classenii P. R. O. Bally & S. Carter | | | | Historic | 1983 | | | | | | | | | 1099164 | MIA 30156 |
| 379 | MIA 30158 | | Euphorbia saxorum P. R. O. Bally & S. Carter | | | | Historic | 1983 | | | | | | | | | 1099170 | MIA 30158 |
| 380 | MIA 30162 | | Euphorbia sp. | | | | Historic | 1983 | | | | | | | | "DWARF, BUSHY." ONE PLANT UPDATED 11/89. | 1099182 | MIA 30162 |
| 381 | MIA 30164 | | Euphorbia sp. | | | | Historic | 1983 | | | | | | | | UPDATED 12/89. | 1099188 | MIA 30164 |
| 382 | MIA 27445 | | Euphorbia stapfii A. Berger | | | | Historic | 1981 | | | | | | | | | 1094876 | MIA 27445 |
| 383 | MIA 22490 | | Euphorbia sp. | Florida, United States | | | Historic | 1973 | | | | | | | | | 1087797 | MIA 22490 |
| 384 | Ames 14227 | NU 26094 | Euphorbia marginata Pursh | Michigan, United States | NC7 | | | 1963 | COLLECTED | | | | | | | | 1066542 | Ames 14227 |
| 385 | Ames 14228 | NU 32935 | Euphorbia heterophylla L. | | NC7 | | | 1963 | DONATED | 1963 | | | | | | | 1066544 | Ames 14228 |
| 386 | MIA 24048 | | Euphorbia tanquahuete Sessé & Moc. | Florida, United States | | | Historic | 1939 | COLLECTED | | | | | | | | 1089562 | MIA 24048 |
| 387 | MIA 26648 | | Euphorbia heterophylla L. | Florida, United States | | | Historic | 1939 | COLLECTED | | | | | | Wild material | | 1093397 | MIA 26648 |
| 388 | MIA 26988 | | Euphorbia leucocephala Lotsy | Florida, United States | | | Historic | 1939 | COLLECTED | | | | | | | | 1093915 | MIA 26988 |