| 0 | PI 649746 | Index Seminum 245 | Tanacetum corymbosum (L.) Sch. Bip. subsp. clusii (Fisch. ex Rchb.) Heywood | Krosno, Poland | NC7 | | | 2003 | COLLECTED | 09/01/2002 | Polonina Wetlinska, Bieszczady Mountains. | 49.16666667, 22.51666667 | | | Wild material | | 1650685 | PI 649746 |
| 1 | PI 656828 | ARM 102 | Tanacetum balsamita L. subsp. balsamitoides (Sch. Bip.) Grierson | Aragac̣otn, Armenia | NC7 | | | 2002 | COLLECTED | 08/10/2001 | Further into the Koshabulakh. | 40.37694444, 44.26361111 | 2025 | Stopped to collect Viburnum, but also found wild Thymus, Trifolium, Dianthus, and Campanula. | Wild material | | 1638717 | PI 656828 |
| 2 | PI 636391 | RGE-413 | Tanacetum macrophyllum (Waldst. & Kit.) Sch. Bip. | South Ossetia, Georgia | NC7 | | | 2002 | COLLECTED | 08/19/2001 | Surrounding Bakuriani, roadside to near Tskhra-Tskharo, Samtskhe-Javakheti Region. | 41.74972222, 43.53250000 | 1800 | | Wild material | | 1636657 | PI 636391 |
| 3 | PI 618719 | WSYUS 71 | Tanacetum parthenium (L.) Sch. Bip. | Cherkasy, Ukraine | NC7 | | | 1999 | COLLECTED | 09/17/1999 | 3 km southwest of Gerezhenovka. | 48.72777778, 30.29027778 | 225 | Edge of road in front of forest. Open site, 0-2% slope with a northwestern exposure. Clay loam soil with good drainage. | Wild material | Low herbaceous plant. | 1586061 | PI 618719 |
| 4 | PI 633684 | Index Seminum 44 | Tanacetum parthenium (L.) Sch. Bip. | Viseu, Portugal | NC7 | | | 1999 | COLLECTED | 08/02/1998 | Between Rua and Moimenta da Beira. | 40.96666667, -7.59166667 | | | Wild material | | 1579925 | PI 633684 |
| 5 | PI 636392 | Index Seminum 59 | Tanacetum vulgare L. | Grand-Est, France | NC7 | | | 1999 | COLLECTED | 1998 | Molsheim. | 48.53333333, 7.48333333 | 175 | | Wild material | | 1576570 | PI 636392 |
| 6 | PI 649747 | Index Seminum 89 | Tanacetum corymbosum (L.) Sch. Bip. subsp. corymbosum | Veszprém, Hungary | NC7 | | | 1998 | COLLECTED | 1997 | Somlo Hill. | 47.81666667, 17.36666667 | | Dry forest and secondary grassland on a volcanic (basalt) hill. | Wild material | | 1558927 | PI 649747 |
| 7 | PI 633681 | 1 | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Basilicata, Italy | NC7 | | | 1998 | COLLECTED | PRE 10/1996 | Picerno, Potenza. | 40.63333333, 15.63333333 | 750 | Catalog field, Eu-Mediterranean climate. | Cultivated material | Use: insecticide. | 1559183 | PI 633681 |
| 8 | PI 649748 | NU 61093 | Tanacetum huronense Nutt. | United States | NC7 | | | 1998 | COLLECTED | PRE 01/1998 | | | | | Uncertain improvement status | | 1555252 | PI 649748 |
| 9 | PI 633682 | 11 | Tanacetum huronense Nutt. | Michigan, United States | NC7 | | Not Available | 1997 | COLLECTED | 10/11/1997 | Grand Sable Dunes, Lake Superior, near Sable Falls, about 1.5 miles west of Grand Marais, Alger County. | 46.66888889, -86.01333333 | | | Wild material | | 1548799 | PI 633682 |
| 10 | PI 633683 | 12 | Tanacetum huronense Nutt. | Michigan, United States | NC7 | | | 1997 | COLLECTED | 10/11/1997 | Grand Sable Dunes, Lake Superior, near "Log Slide", about 6 miles west of Grand Marais, Alger County. | 46.65416667, -86.06250000 | | | Wild material | | 1548800 | PI 633683 |
| 11 | PI 607442 | TAN 4/81 | Tanacetum poteriifolium (Ledeb.) Grierson | Leningradskaja oblast', Russian Federation | NC7 | | | 1997 | DONATED | PRE 02/1997 | | | | | Cultivated material | | 1538662 | PI 607442 |
| 12 | PI 631351 | 130 | Tanacetum parthenifolium (Willd.) Sch. Bip. | Tehrān, Iran | NC7 | | | 1996 | COLLECTED | PRE 1996 | | | | | Wild material | | 1531424 | PI 631351 |
| 13 | PI 631350 | Index Seminum 139 | Tanacetum corymbosum (L.) Sch. Bip. | Sachsen-Anhalt, Germany | NC7 | | | 1995 | COLLECTED | 1994 | Mannsdorf. | 51.05000000, 12.06666667 | | | Wild material | | 1495317 | PI 631350 |
| 14 | PI 607441 | Ames 21953 | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Arizona, United States | NC7 | | | 1995 | DONATED | 07/17/1995 | | | | | Cultivated material | Arizona-bred stress tolerant synthetic. Progenitor seed which resulted in a patented clone, (Plant Patent Number 7495). NSSL destroyed the original sample, which was inviable per the June 12 letter. | 1493252 | PI 607441 |
| 15 | PI 596400 | Index Seminum #78 | Tanacetum vulgare L. | Poland | NC7 | | | 1994 | COLLECTED | 09/14/1993 | Lawy (Kampinos Forest), Warszawa Province. | | | | Wild material | | 1087611 | PI 596400 |
| 16 | PI 597625 | 2154 | Tanacetum corymbosum (L.) Sch. Bip. | Russian Federation | NC7 | | Not Available | 1994 | COLLECTED | 1981 | Caucasus, Arkhyz region. | | | | Cultivated material | | 1087310 | PI 597625 |
| 17 | PI 607443 | 2705 | Tanacetum vulgare L. | Leningradskaja oblast', Russian Federation | NC7 | | | 1994 | COLLECTED | | Near the village of Plodovoye, Priosersk District. | 60.81666667, 30.21666667 | | | Wild material | | 1087303 | PI 607443 |
| 18 | PI 596395 | No. 161 | Tanacetum parthenium (L.) Sch. Bip. | Sachsen-Anhalt, Germany | NC7 | | Not Available | 1993 | COLLECTED | | Weissenfels. | | | | Wild material | | 1086141 | PI 596395 |
| 19 | PI 596396 | No. 162 | Tanacetum vulgare L. | Germany | NC7 | | | 1993 | COLLECTED | | Bad Duben, Sachsen. | | | | Wild material | | 1086143 | PI 596396 |
| 20 | PI 596397 | No. 163 | Tanacetum vulgare L. | Germany | NC7 | | | 1993 | COLLECTED | | Belgern, Sachsen. | | | | Wild material | | 1086146 | PI 596397 |
| 21 | PI 596398 | No. 164 | Tanacetum vulgare L. | Germany | NC7 | | | 1993 | COLLECTED | | Eilenburg, Sachsen. | | | | Wild material | | 1086147 | PI 596398 |
| 22 | PI 596399 | No. 165 | Tanacetum vulgare L. | Germany | NC7 | | | 1993 | COLLECTED | | Weissenfels, Sachsen-Anhalt. | | | | Uncertain improvement status | | 1086150 | PI 596399 |
| 23 | PI 597626 | No. 993 | Tanacetum macrophyllum (Waldst. & Kit.) Sch. Bip. | Germany | NC7 | | | 1993 | DONATED | 07/07/1993 | | | | | Cultivated material | | 1086140 | PI 597626 |
| 24 | PI 597627 | No. 160 | Tanacetum parthenium (L.) Sch. Bip. | Sachsen, Germany | NC7 | | Not Available | 1993 | COLLECTED | | Helbigsdorf. | | | | Wild material | | 1086142 | PI 597627 |
| 25 | PI 596394 | CHRY 67/88 | Tanacetum parthenium (L.) Sch. Bip. | Italy | NC7 | | Not Available | 1993 | COLLECTED | | Bisegna. | | | | Uncertain improvement status | | 1086085 | PI 596394 |
| 26 | PI 631349 | CHRY 11/89 | Tanacetum coccineum (Willd.) Grierson | Italy | NC7 | | Not Available | 1993 | COLLECTED | | Villa Taranto, Pallanza. | 45.91666667, 8.55000000 | | | Uncertain improvement status | | 1086073 | PI 631349 |
| 27 | PI 564842 | 257 | Tanacetum corymbosum (L.) Sch. Bip. | Slovakia | NC7 | | | 1990 | COLLECTED | | Velka Fatra mountains, Koncita mountain on south foot, Slovakia | | 750 | | Wild material | | 1459813 | PI 564842 |
| 28 | PI 601297 | 'Santana' | Tanacetum parthenium (L.) Sch. Bip. | Netherlands | NC7 |  | Not Available | 1986 | DEVELOPED | | | | | | Cultivar | | 1169980 | PI 601297 |
| 29 | PI 476301 | MA-65-99 | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Kenya | NC7 | | | 1982 | DONATED | 12/1982 | | | | | Cultivated material | | 1371237 | PI 476301 |
| 30 | PI 476302 | 4331 | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Kenya | | | Historic | 1982 | DONATED | 12/1982 | | | | | Cultivated material | | 1371238 | PI 476302 |
| 31 | PI 476303 | 4729 | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Kenya | | | Historic | 1982 | DONATED | 12/1982 | | | | | Cultivated material | | 1371239 | PI 476303 |
| 32 | PI 476304 | 4743 | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Kenya | | | Historic | 1982 | DONATED | 12/1982 | | | | | Cultivated material | | 1371240 | PI 476304 |
| 33 | PI 297255 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | India | | | Historic | 1964 | COLLECTED | | | | | | | | 1682072 | PI 297255 |
| 34 | PI 251440 | NU 64280 | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Croatia | NC7 | | Not Available | 1958 | COLLECTED | PRE 09/1958 | Dubrovnik Agriculture Station, Dalmatia. | 42.65060000, 18.09140000 | | | | | 1555479 | PI 251440 |
| 35 | PI 251441 | NU 64277 | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Croatia | NC7 | | Not Available | 1958 | COLLECTED | PRE 09/1958 | Dubrovnik Agriculture Station, Dalmatia. | 42.65060000, 18.09140000 | | | | Toxicity reported good. | 1555478 | PI 251441 |
| 36 | PI 229663 | NU 64396 | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Kivu, Democratic Republic of the Congo | NC7 | | Not Available | 1955 | DONATED | 10/31/1955 | | | | | | | 1555480 | PI 229663 |
| 37 | PI 186948 | | Tanacetum balsamita L. subsp. balsamita | Uppsala län, Sweden | | | Historic | 1950 | COLLECTED | | | | | | | | 1667972 | PI 186948 |
| 38 | PI 186949 | | Tanacetum vulgare L. | Uppsala län, Sweden | | | Historic | 1950 | COLLECTED | | | | | | | | 1667973 | PI 186949 |
| 39 | PI 186950 | | Tanacetum camphoratum Less. | Uppsala län, Sweden | | | Historic | 1950 | COLLECTED | | | | | | | | 1667974 | PI 186950 |
| 40 | PI 186953 | | Tanacetum corymbosum (L.) Sch. Bip. subsp. corymbosum | Uppsala län, Sweden | | | Historic | 1950 | COLLECTED | | | | | | | | 1667977 | PI 186953 |
| 41 | PI 186954 | | Tanacetum macrophyllum (Waldst. & Kit.) Sch. Bip. | Uppsala län, Sweden | | | Historic | 1950 | COLLECTED | | | | | | | | 1667978 | PI 186954 |
| 42 | PI 186956 | | Tanacetum vulgare L. | Uppsala län, Sweden | | | Historic | 1950 | COLLECTED | | | | | | | | 1667980 | PI 186956 |
| 43 | PI 167188 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Maryland, United States | | | Historic | 1948 | DONATED | 08/26/1948 | | | | | | | 1569015 | PI 167188 |
| 44 | PI 155438 | No. 3 | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Rostov, Russian Federation | | | Historic | 1946 | COLLECTED | | Alexandra District | | | | | | 1892757 | PI 155438 |
| 45 | PI 155439 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Uzbekistan | | | Historic | 1946 | COLLECTED | | | | | | | | 1892759 | PI 155439 |
| 46 | PI 155440 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Odesa, Ukraine | | | Historic | 1946 | COLLECTED | | Parizhskaya Kommun | | | | | | 1892760 | PI 155440 |
| 47 | PI 155441 | No. 609 | Tanacetum coccineum (Willd.) Grierson | Leningradskaja oblast', Russian Federation | | | Historic | 1946 | COLLECTED | | Leningrad Botanical Institute | | | | | | 1892761 | PI 155441 |
| 48 | PI 155442 | 'Item No. 7' | Tanacetum coccineum (Willd.) Grierson | Georgia | | | Historic | 1946 | COLLECTED | | Zheltaya, Manglis | | | | | | 1892762 | PI 155442 |
| 49 | PI 155443 | 'Item No. 1' | Tanacetum coccineum (Willd.) Grierson | Georgia | | | Historic | 1946 | COLLECTED | | Kartalin, Manglis | | | | | | 1892763 | PI 155443 |
| 50 | PI 155444 | 'Item No 2' | Tanacetum coccineum (Willd.) Grierson | Georgia | | | Historic | 1946 | COLLECTED | | Tabishkhuri, Bakurian | | | | | | 1892764 | PI 155444 |
| 51 | PI 155445 | No. 314 | Tanacetum coccineum (Willd.) Grierson | Rostov, Russian Federation | | | Historic | 1946 | COLLECTED | | Collective Farm Stalin | | | | | | 1892766 | PI 155445 |
| 52 | PI 155446 | No. 318 | Tanacetum coccineum (Willd.) Grierson | Leningradskaja oblast', Russian Federation | | | Historic | 1946 | COLLECTED | | Leningrad Botanical Institute | | | | | | 1892770 | PI 155446 |
| 53 | PI 155447 | No. 315 | Tanacetum coccineum (Willd.) Grierson | Leningradskaja oblast', Russian Federation | | | Historic | 1946 | COLLECTED | | Leningrad Botanical Institute | | | | | | 1892771 | PI 155447 |
| 54 | PI 155448 | No. 317 | Tanacetum coccineum (Willd.) Grierson | Leningradskaja oblast', Russian Federation | | | Historic | 1946 | COLLECTED | | Leningrad Botanical Institute | | | | | | 1892772 | PI 155448 |
| 55 | PI 149617 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Maryland, United States | | | Historic | 1944 | COLLECTED | | | | | | | | 1884422 | PI 149617 |
| 56 | PI 149423 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Kenya | | | Historic | 1944 | COLLECTED | | | | | | | | 1883984 | PI 149423 |
| 57 | PI 149424 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Kenya | | | Historic | 1944 | COLLECTED | | | | | | | | 1883985 | PI 149424 |
| 58 | PI 148916 | | Tanacetum vulgare L. | Maryland, United States | | | Historic | 1944 | COLLECTED | | | | | | | | 1883479 | PI 148916 |
| 59 | PI 148785 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | England, United Kingdom | | | Historic | 1944 | COLLECTED | | | | | | | | 1883056 | PI 148785 |
| 60 | PI 126274 | No. 3283 | Tanacetum parthenium (L.) Sch. Bip. | Badakhshān, Afghanistan | | | Historic | 1937 | COLLECTED | 08/10/1937 | Daraim | | 2559 | | | | 1841797 | PI 126274 |
| 61 | PI 105108 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | France | | | Historic | 1934 | COLLECTED | | | | | | | | 1492413 | PI 105108 |
| 62 | PI 101736 | | Tanacetum abrotanifolium (L.) Druce | England, United Kingdom | | | Historic | 1933 | COLLECTED | | | | | | | | 1493183 | PI 101736 |
| 63 | PI 99656 | | Tanacetum atkinsonii (C. B. Clarke) Kitam. | India | | | Historic | 1932 | COLLECTED | | | | | | | | 1786987 | PI 99656 |
| 64 | PI 95478 | | Tanacetum corymbosum (L.) Sch. Bip. subsp. corymbosum | England, United Kingdom | | | Historic | 1931 | COLLECTED | | | | | | | | 1781802 | PI 95478 |
| 65 | PI 40627 | | Tanacetum poteriifolium (Ledeb.) Grierson | England, United Kingdom | | | Historic | 1915 | COLLECTED | | | | | | | | 1508900 | PI 40627 |
| 66 | PI 40628 | | Tanacetum balsamita L. subsp. balsamitoides (Sch. Bip.) Grierson | England, United Kingdom | | | Historic | 1915 | COLLECTED | | | | | | | | 1605263 | PI 40628 |
| 67 | PI 40629 | 'Tomentosa' | Tanacetum balsamita L. subsp. balsamitoides (Sch. Bip.) Grierson | England, United Kingdom | | | Historic | 1915 | COLLECTED | | | | | | | | 1605264 | PI 40629 |
| 68 | PI 40631 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | England, United Kingdom | | | Historic | 1915 | COLLECTED | | | | | | | | 1605266 | PI 40631 |
| 69 | PI 40632 | | Tanacetum coccineum (Willd.) Grierson | England, United Kingdom | | | Historic | 1915 | COLLECTED | | | | | | | | 1605267 | PI 40632 |
| 70 | PI 40634 | | Tanacetum corymbosum (L.) Sch. Bip. | England, United Kingdom | | | Historic | 1915 | COLLECTED | | | | | | | | 1605269 | PI 40634 |
| 71 | PI 40639 | | Tanacetum macrophyllum (Waldst. & Kit.) Sch. Bip. | England, United Kingdom | | | Historic | 1915 | COLLECTED | | | | | | | | 1605274 | PI 40639 |
| 72 | PI 40330 | | Tanacetum macrophyllum (Waldst. & Kit.) Sch. Bip. | Thüringen, Germany | |  | Historic | 1915 | COLLECTED | | | | | | | | 1508861 | PI 40330 |
| 73 | PI 40543 | | Tanacetum balsamita L. subsp. balsamita | Grand-Est, France | |  | Historic | 1915 | COLLECTED | | | | | | | | 1508877 | PI 40543 |
| 74 | PI 40544 | | Tanacetum corymbosum (L.) Sch. Bip. | Grand-Est, France | |  | Historic | 1915 | COLLECTED | | | | | | | | 1605202 | PI 40544 |
| 75 | PI 40545 | | Tanacetum parthenium (L.) Sch. Bip. | Grand-Est, France | |  | Historic | 1915 | COLLECTED | | | | | | | | 1605203 | PI 40545 |
| 76 | PI 40512 | | Tanacetum coccineum (Willd.) Grierson | Groningen, Netherlands | | | Historic | 1915 | COLLECTED | | | | | | | | 1605185 | PI 40512 |
| 77 | PI 39006 | | Tanacetum atkinsonii (C. B. Clarke) Kitam. | West Bengal, India | | | Historic | 1914 | COLLECTED | | | | | | | | 1603870 | PI 39006 |
| 78 | PI 40643 | | Tanacetum parthenium (L.) Sch. Bip. | England, United Kingdom | | | Historic | 1914 | COLLECTED | | | | | | | | 1605278 | PI 40643 |
| 79 | PI 40644 | | Tanacetum parthenium (L.) Sch. Bip. | England, United Kingdom | | | Historic | 1914 | COLLECTED | | | | | | | | 1605279 | PI 40644 |
| 80 | PI 33008 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | England, United Kingdom | | | Historic | 1912 | COLLECTED | | | | | | | | 1520233 | PI 33008 |
| 81 | PI 32012 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Bosnia and Herzegovina | | | Historic | 1911 | COLLECTED | | | | | | | | 1519916 | PI 32012 |
| 82 | PI 32013 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Bosnia and Herzegovina | | | Historic | 1911 | COLLECTED | | | | | | | | 1645014 | PI 32013 |
| 83 | PI 31466 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Thüringen, Germany | | | Historic | 1911 | COLLECTED | | | | | | | | 1519696 | PI 31466 |
| 84 | PI 31227 | | Tanacetum coccineum (Willd.) Grierson | Odesa, Ukraine | | | Historic | 1911 | COLLECTED | | | | | | | | 1519383 | PI 31227 |
| 85 | PI 31103 | | Tanacetum coccineum (Willd.) Grierson | Hungary | | | Historic | 1911 | COLLECTED | | | | | | | | 1519360 | PI 31103 |
| 86 | PI 13617 | | Tanacetum parthenium (L.) Sch. Bip. | England, United Kingdom | | | Historic | 1905 | COLLECTED | | | | | | | | 1572008 | PI 13617 |
| 87 | PI 12415 | | Tanacetum coccineum (Willd.) Grierson | Île-de-France, France | | | Historic | 1904 | COLLECTED | | | | | | | | 1556413 | PI 12415 |
| 88 | PI 12416 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Île-de-France, France | | | Historic | 1904 | COLLECTED | | | | | | | | 1556414 | PI 12416 |
| 89 | PI 12434 | | Tanacetum coccineum (Willd.) Grierson | Thüringen, Germany | | | Historic | 1904 | COLLECTED | | | | | | | | 1556499 | PI 12434 |
| 90 | PI 12435 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Thüringen, Germany | | | Historic | 1904 | COLLECTED | | | | | | | | 1556500 | PI 12435 |
| 91 | PI 8315 | | Tanacetum coccineum (Willd.) Grierson | Thüringen, Germany | | | Historic | 1902 | COLLECTED | | | | | | | | 1547421 | PI 8315 |
| 92 | PI 8316 | | Tanacetum coccineum (Willd.) Grierson | Thüringen, Germany | | | Historic | 1902 | COLLECTED | | | | | | | | 1547422 | PI 8316 |
| 93 | PI 7326 | | Tanacetum coccineum (Willd.) Grierson | Thüringen, Germany | | | Historic | 1901 | COLLECTED | | | | | | | | 1545610 | PI 7326 |
| 94 | PI 6142 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Croatia | | | Historic | 1901 | COLLECTED | | | | | | | | 1543392 | PI 6142 |
| 95 | PI 3931 | | Tanacetum coccineum (Willd.) Grierson | California, United States | | | Historic | 1899 | COLLECTED | | | | | | | | 1539022 | PI 3931 |
| 96 | PI 3932 | | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | California, United States | | | Historic | 1899 | COLLECTED | | | | | | | | 1539023 | PI 3932 |
| 97 | NA 48563 | NA 48563 | Tanacetum balsamita L. | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Tanacetum balsamita. | 2145422 | NA 48563 |
| 98 | W6 59569 | OR080-76 | Tanacetum camphoratum Less. | Oregon, United States | W6 | | | 2021 | | | | | | | Wild material | Leaves are basal and fern-like with a succulent characteristic. The leaves go up the stem and terminate with a branching out of 5+ semi-sphere flower heads. The flowers are tiny and yellow making up the semi-sphere. There are modified bracts that look like yellow petals lining the semi-sphere. | 2120735 | W6 59569 |
| 99 | NA 78537 | NA 78537 | Tanacetum sp. | Azerbaijan | NA | | Not Available | 2008 | COLLECTED | 09/23/2008 | | | | Dry roadside in gravelly, dry soil. | | | 1953619 | NA 78537 |
| 100 | Ames 29164 | JM200709050 | Tanacetum vulgare L. | South Ossetia, Georgia | NC7 |  | | 2007 | COLLECTED | 09/02/2007 | Dirt road from Gergeti toward Mt. Kazbegi, above village to church, Gergeti Village, Mtkheta Region. | 42.66666667, 44.62583333 | 1910 | Alpine meadow. | Wild material | | 1744200 | Ames 29164 |
| 101 | Ames 32727 | OR020-21 | Tanacetum poteriifolium (Ledeb.) Grierson | Oregon, United States | NC7 |  | | 2007 | COLLECTED | 07/03/2004 | Columbia Plateau, Hines, east side of junction of Snow Mountain Lane and Hotchkiss Lane, Harney County. | | 128 | | Wild material | | 1719241 | Ames 32727 |
| 102 | Ames 29955 | 195177 | Tanacetum camphoratum Less. | California, United States | NC7 |  | | 2005 | COLLECTED | 07/01/2003 | Ecoregion 14, Humboldt County. North spit of Humboldt Bay. Growing on side of road leading to beach. | 40.76361000, -124.22194000 | 1 | Coastal dune. | Wild material | Forb 0.45-0.75 meters tall. | 1674146 | Ames 29955 |
| 103 | NA 73089 | NA 73089 | Tanacetum vulgare L. | | NA | | Not Available | 2003 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Tanacetum vulgare. | 2149495 | NA 73089 |
| 104 | NA 72792 | NA 72792 | Tanacetum parthenifolium (Willd.) Sch. Bip. | Armenia | NA | | Not Available | 2002 | COLLECTED | 09/13/2002 | | 40.90026000, 44.59428000 | 1354 | Growing in rocky outcrop and rock wall. | | | 1951097 | NA 72792 |
| 105 | Ames 26868 | Index Seminum 487 | Tanacetum corymbosum (L.) Sch. Bip. subsp. corymbosum | Portugal | | | Historic | 2002 | COLLECTED | 07/21/2001 | | | | | Wild material | | 1638815 | Ames 26868 |
| 106 | Ames 27007 | ARM 122 | Tanacetum polycephalum Sch. Bip. subsp. argyrophyllum (K. Koch) Podlech | Aragac̣otn, Armenia | NC7 | | | 2002 | COLLECTED | 08/10/2001 | Near ruins of Ambert Castle Church built in 1026 AD (11-13th century), high above the Ambert River. | 40.38888889, 44.22611111 | 2178 | | Wild material | | 1638721 | Ames 27007 |
| 107 | Ames 27008 | ARM 212 | Tanacetum polycephalum Sch. Bip. subsp. argyrophyllum (K. Koch) Podlech | Vayoć Jor, Armenia | NC7 | | | 2002 | COLLECTED | 08/13/2001 | Near the church of Noravanq (new church), 8 km off of the main highway, 20-30 km southeast of Yeghegnadzor. | 39.68472222, 45.23250000 | 1517 | Very deep canyon. Collections were made on both sides of the canyon from the bottom to 120 meters up the hillside. Temperature was >110 degrees F. At 10 meters above the streambed, the terrain was very rocky, steep, and extremely dry. | Wild material | | 1638494 | Ames 27008 |
| 108 | Ames 25552 | WSYUS 42 | Tanacetum vulgare L. | Sumy, Ukraine | NC7 | | Not Available | 1999 | COLLECTED | 09/13/1999 | Picnic site within the forest, Korona, east of Ukrainka, 8 km southwest of Khukhra, near the oblast border between Sumy and Poltava. | 50.15138889, 34.74805556 | 115 | Meadow within the forest, scattered trees about the area. Partial shade/sun, 0-1% slope with a southeastern exposure. Well drained sand. | Wild material | Plants were relatively abundant. Perennial mass within the meadow. Yellow flowers. | 1586062 | Ames 25552 |
| 109 | Ames 24487 | NU 63851 | Tanacetum balsamita L. subsp. balsamita | Illinois, United States | NC7 | | Not Available | 1998 | DONATED | 01/29/1998 | | | | | Uncertain improvement status | | 1555142 | Ames 24487 |
| 110 | Ames 24488 | NU 42721 | Tanacetum balsamita L. subsp. balsamitoides (Sch. Bip.) Grierson | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 01/1998 | | | | | Wild material | | 1555143 | Ames 24488 |
| 111 | Ames 24489 | NU 43908 | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Kenya | NC7 | | Not Available | 1998 | DONATED | PRE 01/1998 | | | | | Uncertain improvement status | | 1555144 | Ames 24489 |
| 112 | Ames 24490 | NU 64278 | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Colorado, United States | NC7 | | Not Available | 1998 | DONATED | PRE 01/1998 | | | | | Uncertain improvement status | | 1555145 | Ames 24490 |
| 113 | Ames 24492 | NU 42119 | Tanacetum parthenium (L.) Sch. Bip. | Turkey | NC7 | | Not Available | 1998 | COLLECTED | PRE 01/1998 | | | | | Wild material | | 1555146 | Ames 24492 |
| 114 | Ames 24493 | NU 45058 | Tanacetum parthenium (L.) Sch. Bip. | Former Serbia and Montenegro | NC7 | | Not Available | 1998 | COLLECTED | PRE 01/1998 | | | | | Wild material | | 1555147 | Ames 24493 |
| 115 | Ames 24026 | 1, 2, 3, 4, & 5 | Tanacetum huronense Nutt. | Michigan, United States | NC7 | | Not Available | 1997 | COLLECTED | 09/08/1997 | Day Use Area, Cheboygan State Park, on Duncan Bay, Lake Huron, about 3 miles east of Cheboygan, Cheboygan County. | 45.64694444, -84.41333333 | | | Wild material | Bulk of collection samples 1, 2, 3, 4, and 5. Probably from 5 different clones, but could be fewer if disjunctions of several meters have occurred. | 1548795 | Ames 24026 |
| 116 | Ames 24027 | 6, 7, & 8 | Tanacetum huronense Nutt. | Michigan, United States | NC7 | | Not Available | 1997 | COLLECTED | 09/09/1997 | Trails End Bay ("First Beach" at north edge, Section 22, Wawatam Township), on Lake Michigan side of Straits of Mackinac, about 2 miles southwest of Mackinaw City, Emmet County. | 45.76638889, -84.77888889 | | | Wild material | Bulk of collection samples 6, 7, and 8. Probably 3 clones. | 1548797 | Ames 24027 |
| 117 | Ames 24028 | 9 & 10 | Tanacetum huronense Nutt. | Michigan, United States | NC7 | | Not Available | 1997 | COLLECTED | 09/09/1997 | Cecil Bay (near end of point, near south edge of Section 20, Wawatam Township), on Lake Michigan side of Straits of Mackinac, about 5 miles southwest of Mackinaw City, Emmet County. | 45.75222222, -84.82638889 | | | Wild material | Bulk of collection samples 9 and 10. Probably 2 clones. | 1548798 | Ames 24028 |
| 118 | Ames 24031 | 13 | Tanacetum huronense Nutt. | Michigan, United States | NC7 | | Not Available | 1997 | COLLECTED | 10/12/1997 | Shore of Lake Michigan at Fox Point, about 7 miles southeast of Gould City, Mackinac County. | 46.00555556, -85.61833333 | | | Wild material | | 1548801 | Ames 24031 |
| 119 | Ames 23217 | 128 | Tanacetum balsamita L. subsp. balsamitoides (Sch. Bip.) Grierson | Tehrān, Iran | NC7 | | Not Available | 1996 | COLLECTED | PRE 1996 | Dizin to Shemshak. | | 2550 | | Wild material | | 1531422 | Ames 23217 |
| 120 | Ames 23220 | 131 | Tanacetum pinnatum Boiss. | Tehrān, Iran | | | Historic | 1996 | COLLECTED | PRE 1996 | Gachsar to Dizin, road to Varangrud. | | 2200 | | Wild material | | 1531425 | Ames 23220 |
| 121 | Ames 23221 | 132 | Tanacetum polycephalum Sch. Bip. | Tehrān, Iran | NC7 | | Not Available | 1996 | COLLECTED | PRE 1996 | Gachsar to Dizin, road to Varangrud. | | 2200 | | Wild material | | 1531426 | Ames 23221 |
| 122 | Ames 23222 | 133 | Tanacetum polycephalum Sch. Bip. | Eşfahān, Iran | NC7 | | Not Available | 1996 | COLLECTED | PRE 1996 | Ca. 25 km from Shahr-e Kurd to Esfahan, Gardan-e Rokh. | | 2250 | | Wild material | | 1531427 | Ames 23222 |
| 123 | Ames 22718 | Index Seminum 106 | Tanacetum corymbosum (L.) Sch. Bip. | Bragança, Portugal | NC7 | | Not Available | 1996 | COLLECTED | | Serra da Nogueira-Braganca, Tras-os-Montes (Alto Douro) Province. | | | | Wild material | | 1515644 | Ames 22718 |
| 124 | Ames 12802 | Beal No.49 | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Michigan, United States | | | Historic | 1990 | COLLECTED | | | 42.73333333, -84.48333333 | 256 | | Cultivated material | | 1061520 | Ames 12802 |
| 125 | NA 46575 | NA 46575 | Tanacetum vulgare L. f. crispum (L.) Fernald | | NA | | Not Available | 1980 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Tanacetum vulgare var. crispum. | 2145292 | NA 46575 |
| 126 | CSR 208 | 'HYPY' | Tanacetum cinerariifolium (Trevir.) Sch. Bip. | Tasmania, Australia | | | Historic | 1939 | DEVELOPED | | | | | | Cultivar | High pyrethrin level (2.16%). | 1004334 | CSR 208 |