| 0 | PI 667286 | NA 71379 | Ranunculus japonicus Thunb. | Primorye, Russian Federation | OPGC | | | 2002 | COLLECTED | 09/14/2001 | Ca 2 km from the Chinese border on the old highway west from Kraskina, valley and ridge south of th. Open meadows on ridgetop | 42.72000000, 130.60333333 | 100 | Open meadows | Wild material | Herb 0.3 m tall. | 1658165 | PI 667286 |
| 1 | PI 305609 | | Ranunculus cortusifolius Willd. | British Columbia, Canada | | | Historic | 1965 | COLLECTED | | | | | | | | 1701538 | PI 305609 |
| 2 | PI 258523 | | Ranunculus anemoneus F. Muell. | Australian Capital Territory, Australia | | | Historic | 1959 | DONATED | 06/18/1959 | | | | | | | 1560269 | PI 258523 |
| 3 | PI 258524 | | Ranunculus muelleri Benth. | Australian Capital Territory, Australia | | | Historic | 1959 | DONATED | 06/18/1959 | | | | | | | 1560270 | PI 258524 |
| 4 | PI 144896 | No. 39.2008 | Ranunculus praemorsus Kunth ex DC. | Apurímac, Peru | | | Historic | 1942 | COLLECTED | | | | 3200 | | | | 1877689 | PI 144896 |
| 5 | PI 142596 | | Ranunculus hederaceus L. | Alaska, United States | | | Historic | 1941 | COLLECTED | | | | | | | | 1867979 | PI 142596 |
| 6 | PI 129799 | | Ranunculus monroi Hook. f. | New Zealand | | | Historic | 1938 | COLLECTED | | | | | | | | 1845678 | PI 129799 |
| 7 | PI 123073 | No. 2303 | Ranunculus sp. | Turkey | | | Historic | 1937 | COLLECTED | 08/10/1936 | 76km north of Gemushane | | | | | | 1834695 | PI 123073 |
| 8 | PI 123074 | No. 1591 | Ranunculus sp. | Urfa, Turkey | | | Historic | 1937 | COLLECTED | 07/07/1936 | 32km east of Siverek | | | | | | 1834696 | PI 123074 |
| 9 | PI 104580 | | Ranunculus gramineus L. | France | | | Historic | 1934 | COLLECTED | | | | | | | | 1793118 | PI 104580 |
| 10 | PI 101954 | | Ranunculus gramineus L. | Scotland, United Kingdom | | | Historic | 1933 | COLLECTED | | | | | | | | 1789800 | PI 101954 |
| 11 | PI 101793 | | Ranunculus gramineus L. | England, United Kingdom | | | Historic | 1933 | COLLECTED | | | | | | | | 1789533 | PI 101793 |
| 12 | PI 97620 | | Ranunculus gramineus L. | Scotland, United Kingdom | | | Historic | 1932 | COLLECTED | | | | | | | | 1784231 | PI 97620 |
| 13 | PI 95494 | | Ranunculus gramineus L. | England, United Kingdom | | | Historic | 1931 | COLLECTED | | | | | | | | 1781818 | PI 95494 |
| 14 | PI 95407 | No. 2 | Ranunculus sp. | Alaska, United States | | | Historic | 1931 | COLLECTED | | Sitkalidak Island | | | | | | 1781735 | PI 95407 |
| 15 | PI 93168 | | Ranunculus carpaticus Herbich | Netherlands | | | Historic | 1931 | COLLECTED | | | | | | | | 1779922 | PI 93168 |
| 16 | PI 93142 | | Ranunculus aconitifolius L. | Netherlands | | | Historic | 1931 | COLLECTED | | | | | | | | 1779896 | PI 93142 |
| 17 | PI 93143 | | Ranunculus acris L. | Netherlands | | | Historic | 1931 | COLLECTED | | | | | | | | 1779897 | PI 93143 |
| 18 | PI 91445 | | Ranunculus gramineus L. | England, United Kingdom | | | Historic | 1931 | COLLECTED | | | | | | | | 1777859 | PI 91445 |
| 19 | PI 53108 | | Ranunculus auricomus L. | Zuid-Holland, Netherlands | | | Historic | 1921 | COLLECTED | | | | | | | | 1652417 | PI 53108 |
| 20 | PI 53158 | 'Platanifolius' | Ranunculus aconitifolius L. | Uppsala län, Sweden | | | Historic | 1921 | COLLECTED | | | | | | | | 1652518 | PI 53158 |
| 21 | PI 49811 | | Ranunculus acris L. | Île-de-France, France | | | Historic | 1920 | COLLECTED | | | | | | | | 1617203 | PI 49811 |
| 22 | PI 49812 | | Ranunculus bulbosus L. | Île-de-France, France | | | Historic | 1920 | COLLECTED | | | | | | | | 1617204 | PI 49812 |
| 23 | PI 49868 | | Ranunculus glacialis L. | Oslo, Norway | | | Historic | 1920 | COLLECTED | | | | | | | | 1617234 | PI 49868 |
| 24 | PI 10713 | | Ranunculus sp. | Canarias, Spain | | | Historic | 1904 | COLLECTED | | | | | | | | 1553734 | PI 10713 |
| 25 | OPGC 5494 | 20160437*A | Ranunculus flabellaris Raf. | Delaware, United States | OPGC | | Not Available | 2019 | DONATED | 11/18/2019 | | | | | | | 2120188 | OPGC 5494 |
| 26 | OPGC 7461 | CBG-8194 | Ranunculus flabellaris Raf. | Illinois, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 2092676 | OPGC 7461 |
| 27 | OPGC 7459 | CBG-8179 | Ranunculus rhomboideus Goldie | Wisconsin, United States | OPGC |  | Not Available | 2019 | | | | | | | Wild material | | 2092669 | OPGC 7459 |
| 28 | OPGC 6559 | NV020-12 | Ranunculus andersonii A. Gray | Nevada, United States | OPGC |  | Not Available | 2018 | | | | | | | Wild material | Ranunculus andersonii var. andersonii | 1964913 | OPGC 6559 |
| 29 | OPGC 7192 | CBG-6585 | Ranunculus abortivus L. | Wisconsin, United States | OPGC |  | | 2017 | | | | | | | Wild material | | 1954852 | OPGC 7192 |
| 30 | OPGC 6238 | CBG-4097 | Ranunculus hispidus Michx. var. nitidus (Chapm.) T. Duncan | Illinois, United States | OPGC | | Not Available | 2016 | | | | | | | Wild material | | 1942702 | OPGC 6238 |
| 31 | OPGC 4940 | RAOC-SOS-CA180-79-ELDORADO-13 | Ranunculus occidentalis Nutt. | California, United States | OPGC |  | Not Available | 2014 | COLLECTED | 2013 | | | | | Wild material | | 1921637 | OPGC 4940 |
| 32 | OPGC 4915 | RAOC-SOS-OR110-424-JOSEPHINE-12 | Ranunculus occidentalis Nutt. | Oregon, United States | OPGC |  | Not Available | 2014 | COLLECTED | 2012 | | | | | Wild material | | 1920671 | OPGC 4915 |
| 33 | OPGC 4880 | RAAC2-SOS-WY090-109-LINCOLN-12 | Ranunculus acriformis A. Gray | Wyoming, United States | OPGC |  | Not Available | 2014 | COLLECTED | 2010 | | | | | Wild material | | 1918462 | OPGC 4880 |
| 34 | OPGC 4848 | RAOCO-SOS-CA330-131-HUMBOLDT-12 | Ranunculus occidentalis Nutt. var. occidentalis | California, United States | OPGC | | Not Available | 2013 | COLLECTED | 2012 | | | | . | Wild material | | 1914479 | OPGC 4848 |
| 35 | W6 46096 | CBG-1688 | Ranunculus hispidus Michx. | Missouri, United States | | | Historic | 2013 | | | | | | | Wild material | Inactivated never came to Pullman | 1908929 | W6 46096 |
| 36 | W6 46097 | CBG-1735 | Ranunculus macounii Britton | Colorado, United States | | | Historic | 2013 | | | | | | | Wild material | Inactivated never came to Pullman | 1909023 | W6 46097 |
| 37 | OPGC 4748 | RALO-SOS-CA190B-36-11 | Ranunculus lobbii (Hiern) A. Gray | California, United States | OPGC |  | Not Available | 2013 | COLLECTED | 2011 | | | | | Wild material | | 1906823 | OPGC 4748 |
| 38 | OPGC 4453 | RACA2-SOS-UCBG-41-10 | Ranunculus californicus Benth. | California, United States | OPGC |  | Not Available | 2010 | COLLECTED | NEAR 2009 | | | | | Wild material | | 1849605 | OPGC 4453 |
| 39 | OPGC 4428 | RAAQ-SOS-OR931-29-08 | Ranunculus aquatilis L. | Oregon, United States | OPGC | | Not Available | 2009 | COLLECTED | 2008 | | | | | Wild material | | 1827784 | OPGC 4428 |
| 40 | OPGC 4421 | 412823 | Ranunculus occidentalis Nutt. | Washington, United States | OPGC |  | Not Available | 2009 | COLLECTED | 06/02/2007 | | | 50 | Dry meadow, mounded prairie. Associated with Pteridium aquifolium, Hypochaeris radicata, Campanula rotundifolia, Festuca roemeri, Festuca rubra, Brodiaea coronaria, Chrysanthemum leucanthemum, Agrostis tenuis, Holcus lanatus etc. | Wild material | | 1826919 | OPGC 4421 |
| 41 | OPGC 4336 | 255626 | Ranunculus alismifolius Geyer ex Benth. var. alismifolius | Oregon, United States | OPGC |  | Not Available | 2007 | COLLECTED | 06/04/2004 | | | 115 | Light brown soil. Bottomland (winter flooding). | Wild material | Forb, Height about: 0.3-0.6 m | 1727995 | OPGC 4336 |
| 42 | OPGC 4338 | 256760 | Ranunculus andersonii A. Gray | Utah, United States | OPGC |  | Not Available | 2007 | COLLECTED | 04/25/2005 | | | 1393 | Brown soil. | Wild material | Forb, Height about: 0.3 m | 1727110 | OPGC 4338 |
| 43 | OPGC 4315 | 221315 | Ranunculus andersonii A. Gray | California, United States | OPGC |  | Not Available | 2007 | COLLECTED | 04/23/2004 | | | 1971 | | Wild material | | 1719132 | OPGC 4315 |
| 44 | OPGC 4316 | 221337 | Ranunculus eschscholtzii Schltdl. | Idaho, United States | OPGC |  | Not Available | 2007 | COLLECTED | 07/20/2003 | | | | | Wild material | | 1719133 | OPGC 4316 |
| 45 | OPGC 4283 | 189118 | Ranunculus orthorhynchus Hook. var. orthorhynchus | Oregon, United States | OPGC |  | Not Available | 2005 | COLLECTED | 06/18/2002 | | | 100 | Low areas of wet prairie, just above vernal pools. Associated with Epilobium ciliatum, Deschampsia cespitosa, Juncus tenuis & Parentucellia viscosa. | Wild material | Forb .3 meters tall. | 1674085 | OPGC 4283 |
| 46 | OPGC 4297 | 201999 | Ranunculus glaberrimus Hook. var. glaberrimus | Oregon, United States | OPGC |  | Not Available | 2005 | COLLECTED | 05/31/2003 | | | 1599 | Associated with Artemisia arbuscula, Poa secunda, Chrysothamnus viscidiflorus, Collomia parviflora, Phlox longiflolia, Zigadenus venenosus, Phlox hoodii, Castilleja sp., Antennaria sp., Erigeron linearis, Astragalus sp. and S | Wild material | Forb 0.15 meters tall. | 1674284 | OPGC 4297 |
| 47 | NA 71379 | VV-258 | Ranunculus japonicus Thunb. | Russian Federation | NA | | Not Available | 2001 | COLLECTED | 09/01/2001 | | | | | Wild material | Herb 0.3 m tall. | 1636774 | NA 71379 |
| 48 | OPGC 2615 | AG 236 | Ranunculus uncinatus D. Don ex G. Don | Alaska, United States | OPGC | | Not Available | 1999 | COLLECTED | NEAR 10/01/1999 | Attu island | | | | Wild material | | 1653638 | OPGC 2615 |
| 49 | OPGC 2616 | AG 226 | Ranunculus uncinatus D. Don ex G. Don | Alaska, United States | OPGC | | Not Available | 1999 | COLLECTED | NEAR 10/1999 | Attu island | | | | Wild material | | 1601305 | OPGC 2616 |