| 0 | PI 639183 | W6 20650 | Echinops ritro L. | Basilicata, Italy | W6 | | | 1998 | DONATED | 04/1998 | | | | | Cultivated material | Climate: Eu-Mediterranean. 750 m above sea level. Uses: ornamental, medicinal. Annual. | 1559186 | PI 639183 |
| 1 | PI 369233 | 1681 | Echinops sp. | Former, Soviet Union | W6 | | Not Available | 1972 | COLLECTED | | Al Petrie, Crimea. | | | | Wild material | Thistle, flower heads bright blue. Attractive. | 1276727 | PI 369233 |
| 2 | PI 142946 | No. 7564 | Echinops sp. | Āz̄ārbāyjān-e Shārqī, Iran | | | Historic | 1941 | COLLECTED | 11/30/1940 | Maraghe | | | | | | 1868300 | PI 142946 |
| 3 | PI 110117 | | Echinops albicaulis Kar. & Kir. | Unknown | | | Historic | 1935 | COLLECTED | | Union of Soviet Socialist Republics | | | | | | 1801518 | PI 110117 |
| 4 | PI 109080 | No. T-109 | Echinops bannaticus Rochel ex Schrad. | Turkey | | | Historic | 1935 | COLLECTED | 09/26/1934 | 80km northeast of Sivas | | | | | | 1800071 | PI 109080 |
| 5 | PI 98358 | | Echinops karatavicus Regel & Schmalh. | Ukraine | | | Historic | 1932 | COLLECTED | | | | | | | | 1785459 | PI 98358 |
| 6 | PI 98359 | | Echinops sphaerocephalus L. | Ukraine | | | Historic | 1932 | COLLECTED | | | | | | | | 1785460 | PI 98359 |
| 7 | PI 84305 | No. 121 | Echinops sp. | Unknown | | | Historic | 1930 | COLLECTED | 08/22/1929 | Northeastern Turkestan | | | | | | 1747869 | PI 84305 |
| 8 | PI 13619 | | Echinops ritro L. | England, United Kingdom | | | Historic | 1905 | COLLECTED | | | | | | | | 1529063 | PI 13619 |
| 9 | PI 4601 | | Echinops sphaerocephalus L. | California, United States | | | Historic | 1899 | COLLECTED | | | | | | | | 1539988 | PI 4601 |
| 10 | NA 83174 | 'Platinum Blue' | Echinops ritro L. subsp. ruthenicus (M. Bieb.) Nyman | | NA | | Not Available | 2016 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Echinops ritro subsp. ruthenicus 'Platinum Blue'. Obtained for the Friendship Garden renovation. | 2153278 | NA 83174 |
| 11 | NA 78396 | NA 78396 | Echinops sphaerocephalus L. | Azerbaijan | NA | | Not Available | 2008 | COLLECTED | 09/17/2008 | Pistachio orchard along highway. | | | | | | 1951188 | NA 78396 |
| 12 | NA 78555 | NA 78555 | Echinops sphaerocephalus L. | Azerbaijan | NA | | Not Available | 2008 | COLLECTED | 09/26/2008 | near the foot of Ali Dag (Snake Mountain) | 39.11777000, 45.74444000 | 1277 | Dry semi-desert hills. | | | 1951293 | NA 78555 |
| 13 | NA 72660 | NA 72660 | Echinops sp. | Armenia | NA | | Not Available | 2002 | COLLECTED | 09/02/2002 | | 39.09368000, 46.17245000 | 2208 | Dry grassy slopes on exposed ridge, with Quercus macrantera | | | 1950677 | NA 72660 |
| 14 | OPGC 165 | | Echinops latifolius Tausch | | | | Historic | 2000 | | | | | | | Wild material | | 1658249 | OPGC 165 |
| 15 | Ames 25318 | 98HT-203 | Echinops latifolius Tausch | Mongolia | W6 | | Not Available | 1999 | COLLECTED | 09/05/1998 | Binder Sum, Henti Aimag. | 48.49055556, 110.37361111 | 1097 | Gently rolling terrain in the Hurchin Gol Valley on east side of small, dry creek. Soils are stoney and well drained. 1% slope with a western aspect. | Wild material | Poor forage; potential for horticultural-decorative use. | 1578782 | Ames 25318 |
| 16 | Ames 22263 | BJG-060 | Echinops latifolius Tausch | Beijing Shi, China | W6 | | | 1995 | COLLECTED | 09/18/1994 | Da Zhaung Ke (Old Village), Song Shan Forest Preserve, Yanqing County. | 40.53722222, 115.78777778 | 1210 | Growing in soils trapped between boulders in part shade to sun; soils are seasonally moist. | Wild material | Upright, single-stemmed herbaceous plant to 120 cm; leaves borne opposite and basal to the flower stalk and slightly erect; ovate in outline to 30 cm long and slightly erect; leaves oak-like, deeply lobed with sharp thorn-like apex on lobes; yellow-green and silver-white below. | 1484016 | Ames 22263 |
| 17 | Ames 22264 | BJG-111 | Echinops latifolius Tausch | Beijing Shi, China | W6 | | Not Available | 1995 | COLLECTED | 09/25/1994 | Da Mu Chang (Big Trunk Field), Baihua Shan Forest Preserve. | 39.82555556, 115.59583333 | 1850 | Growing in full sun in open wet meadows on top of the hills. | Wild material | Deciduous, herbaceous perennial with terminal globe-shaped, thistle-like fruits, 35 to 45 cm tall; leaves yellow-green above and silver-white beneath; fruit globe-shaped, numerous seed forming in thistle-like inflorescence, some fruits still retain blue color. | 1484017 | Ames 22264 |
| 18 | NA 64570 | BJG-060 | Echinops latifolius Tausch | Beijing Shi, China | OPGC | | Not Available | 1994 | COLLECTED | 09/18/1994 | Da Zhuang Ke (Old Village), Song Shan Forest Preserve, Yanqing County. | 40.53722222, 115.78805556 | 1210 | Growing in soils trapped between boulders in part shade to sun; soils are seasonally moist. | Wild material | Deciduous, upright, single-stemmed herbaceous plant to 120cm; leaves borne opposite and basal to the flower stalk and slightly erect; ovate in outline to 30cm long and slightly erect; leaves oak-like, deeply lobed with sharp thorn-like apex on lobes; yellow-green and silver-white below. | 1511522 | NA 64570 |
| 19 | NA 64621 | BJG111 | Echinops latifolius Tausch | Beijing Shi, China | | | Historic | 1994 | COLLECTED | 09/25/1994 | Da Mu Chang (Big Trunk Field), Baihua Shan Forest Preserve, Mentougou District. | 39.82555556, 115.59583333 | 1850 | Growing in full sun in open wet meadows on top of the hills; growing in association with Sanguisorba sp., Scabiosa sp., Primula spp., grasses and numerous herbaceous species. | Wild material | Deciduous, herbaceous perennial with terminal globe-shaped, thistle-like fruits, 35 to 45 cm tall; leaves yellow-green above and silver-white beneath; fruit globe-shaped, numerous seed forming in thistle-like inflorescence, some fruits still retain blue color. | 1511523 | NA 64621 |