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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 676227CA330/02-02Danthonia californica Bol. California, United StatesW6SEED2005Wild material1673829PI 676227
1PI 527709Danthonia sp.Washington, United StatesW61989DONATED01/04/1989Uncertain improvement statusErroneously labeled PI 238398 (Triticum aestivum)1422645PI 527709
2PI 443271Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. United States Historic1980COLLECTEDNew York1338207PI 443271
3PI 37220837Danthonia cirrata Hack. & Arechav. Uruguay Historic1972DONATED02/27/19721279010PI 372208
4PI 284678No. 3057Danthonia cirrata Hack. & Arechav. Uruguay Historic1962COLLECTED1687921PI 284678
5PI 284679No. 3058Danthonia cirrata Hack. & Arechav. San José, Uruguay Historic1962COLLECTEDShort, perennial winter grass. Not very productive. 10 1212693PI 284679
6PI 2846803059Danthonia cirrata Hack. & Arechav. San José, UruguayW6Not Available1962COLLECTEDBalneario KiyuUncertain improvement statusShort, perennial winter grass. Not very productive. 10 1212694PI 284680
7PI 28468179Danthonia montevidensis Hack. & Arechav. San José, UruguayW6PLANTNot Available1962COLLECTEDArazatiUncertain improvement statusShort perennial winter grass. Not very productive. 10 1212697PI 284681
8PI 28468290Danthonia montevidensis Hack. & Arechav. Canelones, UruguayW6Not Available1962COLLECTEDBalneario Fortin de Sta. RosaUncertain improvement statusShort perennial winter grass. Not very productive. 10 1212698PI 284682
9PI 2846833050Danthonia montevidensis Hack. & Arechav. Montevideo, UruguayW6Not Available1962COLLECTEDParque LecocqUncertain improvement statusShort perennial winter grass. Not very productive. 10 1212701PI 284683
10PI 284684No. 3056Danthonia rhizomata Swallen Lavalleja, Uruguay Historic1962COLLECTEDShort perennial winter grass. Not very productive. 10 1212702PI 284684
11PI 253189Danthonia alpina Vest Former Serbia and MontenegroW61958COLLECTED30 miles east of Titograd, Montenegro,YugoslaviaWild material1194755PI 253189
12PI 240346Danthonia sp. Guinea Historic1957COLLECTEDFrom Nondugl.Wild material1187465PI 240346
13PI 241050Danthonia intermedia Vasey W61955COLLECTEDFrom Fremont County, Wyoming.Wild material1187644PI 241050
14PI 232247Danthonia californica Bol. California, United StatesW61955COLLECTED01/01/1955Mat Davis Trail, Boot Jack Camp, Mount Tamalpais, Marin Co., California.Wild material1184270PI 232247
15PI 232248Danthonia intermedia Vasey United States Historic1955COLLECTED01/01/19551184271PI 232248
16PI 198842Danthonia sp. Spain Historic1951COLLECTED1676525PI 198842
17PI 186960Danthonia cirrata Hack. & Arechav. Florida, Uruguay Historic1950COLLECTED1667986PI 186960
18PI 173340Danthonia cirrata Hack. & Arechav. Uruguay Historic1949COLLECTED1150579PI 173340
19PI 142134Danthonia sp. South Africa Historic1941COLLECTED1866928PI 142134
20PI 19245Danthonia sp.Western Australia, Australia Historic1906COLLECTED1532394PI 19245
21PI 19248Danthonia sp.Western Australia, Australia Historic1906COLLECTED1576365PI 19248
22PI 19250Danthonia sp.Western Australia, Australia Historic1906COLLECTED1576367PI 19250
23PI 19251Danthonia sp.Western Australia, Australia Historic1906COLLECTED1639069PI 19251
24PI 19253Danthonia sp.Western Australia, Australia Historic1906COLLECTED1576369PI 19253
25PI 19256Danthonia sp.Western Australia, Australia Historic1906COLLECTED1576372PI 19256
26PI 7117Danthonia californica Bol. California, United States Historic1901COLLECTED1544647PI 7117
27W6 62542FWS0300-66Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. Michigan, United StatesW6SEED2025Wild material2192240W6 62542
28W6 62685CA340-60Danthonia californica Bol. California, United StatesW6SEED2025Wild materialVery densely populated in the meadows. More easily distinguishable in the summer than in the spring.2192903W6 62685
29W6 62966DWY01-M2Danthonia intermedia Vasey Wyoming, United StatesW6SEEDNot Available2025Wild materialCombined DWY01-2, DWY01-C7, DWY01-C9 under DWY01-M2. Data on this data sheet is only for the population at the original collection number DWY01-2, information for additional combined collections captured in SOS database.ûûCollections DWY01-7/DWY01-DANTH-20240812-61 and DWY01-9/DWY01-DANTH-20240813-37 combined with this2196142W6 62966
30W6 63006FWS0502-20Danthonia compressa Austin Pennsylvania, United StatesW6SEEDNot Available2025Wild materialMultiple species with similar appearance occurring in area2196188W6 63006
31W6 63007FWS0502-21Danthonia compressa Austin Pennsylvania, United StatesW6SEEDNot Available2025Wild materialOvergrown upland trail2196189W6 63007
32W6 62216FWS0400-4Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. Tennessee, United StatesW6Not Available2024Black Boxed 2024 Seeds of Success- Incorporated into the collection 4/1/20252169547W6 62216
33W6 62222FWS0401-1Danthonia sericea Nutt. Georgia, United StatesW6Not Available2024Black Boxed 2024 Seeds of Success- Incorporated into the collection 4/1/20252169553W6 62222
34W6 60982CA330-215Danthonia californica Bol. California, United StatesW6SEED2023Wild material2 glumes subequal, glumes persist after disarticulation, blades thin and tapered and true green, lemmas have small awns.2142621W6 60982
35W6 61287OR090B-322Danthonia californica Bol. Oregon, United StatesW6SEED2023Wild materialPlants 30-130 cm tall; cespitose, with short rhizomes. Leaf blades spread stiffly sideways or down. Inflorescences with sparse appearance: few large spikelets held out at stiff angles by panicle branches, branches strongly divergent to reflexed at maturity, and pedicels equal to or longer than the spikelets. Spikelets with 3-6 florets. Glumes with 4-7 veins.2142731W6 61287
36W6 60606OR110-1089Danthonia californica Bol. Oregon, United StatesW6SEED2022Wild materialPopulation growing on a decommissioned road bed, so likely was planted as a restoration species2138544W6 60606
37W6 59325CA330-195Danthonia californica Bol. California, United StatesW62021Wild materialPerennial grass2120378W6 59325
38W6 59003NCBG-452Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. Maryland, United StatesW6Not Available2021Wild material2116321W6 59003
39W6 59071NCBG-705Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. North Carolina, United StatesW62021Wild material2116382W6 59071
40W6 58591MARSB-449Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. New Jersey, United StatesW6Not Available2021Wild materialErect perennial, leaves with narrow flat blades, leaves at the base frequently dry and curly. Inflorescence terminal, few flowered contacted panicle of large spikelets.2113521W6 58591
41W6 58592MARSB-450Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. New Jersey, United StatesW62021Wild materialDense tufts. Leaves born mostly near base, blades curly. lower sheaths often contain cleistogamous spikelets. inflorescence contracted, racemiform.2113522W6 58592
42W6 58629MARSB-554Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. New York, United StatesW62021Wild materialRound stem, narrow inflorescence with tan seed, inflorescence branches point upwards and hug the stem. Tufts of curly basal leaves.2113559W6 58629
43W6 58433CA190B-143Danthonia californica Bol. California, United StatesW6Not Available2020Wild materialCoastal prairie grasslands. ûHairy collars at stem nodes. Spikelets at ends of flowering culms. Few flowers per spikelet. Spikelets prostrate to decumbent. Spiklets resemble thous of Wild Oat (Avena spp.).2110327W6 58433
44W6 58480CA190C-62Danthonia californica Bol. California, United StatesW62020Wild materialSpikelets purple, plants growing in dense clumps.2110374W6 58480
45W6 57750CA330-189Danthonia californica Bol. California, United StatesW62020Wild materialSOS 92nd Shipment2105048W6 57750
46W6 57055MARSB-130Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. New Jersey, United StatesW6SEED2019Wild material2097494W6 57055
47W6 57153MARSB-353Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. New York, United StatesW6SEEDNot Available2019Wild material2097592W6 57153
48W6 56031OR090B-233Danthonia californica Bol. Oregon, United StatesW6SEED2019Wild materialDanthonia californica1971277W6 56031
49W6 54791NCBG-704Danthonia sericea Nutt. North Carolina, United StatesW6SEED2018Wild materialDanthonia sericea1966017W6 54791
50W6 55098CA330-178Danthonia californica Bol. California, United StatesW6SEED2018Wild materialDanthonia californica1966325W6 55098
51W6 53441MT050-40Danthonia intermedia Vasey Montana, United StatesW62018Wild material1958176W6 53441
52NA 82700NA 82700Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. District of Columbia, United StatesNANot Available2015COLLECTED06/25/2015U.S. National Arboretum, north side of Mt. Hamilton [USNA location code MTHAM-W]38.91138000, -76.97460000Woodland edge.1953580NA 82700
53NA 82690NA 82690Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. District of Columbia, United StatesNANot Available2015COLLECTED06/19/2015U.S. National Arboretum, across street from Grove of State Trees restrooms [USNA location code M-WOODS-W]38.90726000, -76.97043000Woodland edge.1953579NA 82690
54W6 48842MARSB-5Danthonia compressa Austin New Jersey, United StatesW6SEED2015Wild material1922852W6 48842
55W6 48844MARSB-64Danthonia compressa Austin West Virginia, United StatesW6SEED2015Wild material1922853W6 48844
56W6 48843MARSB-60Danthonia compressa Austin Pennsylvania, United StatesW6SEED2015Wild material1922912W6 48843
57W6 48845MARSB-58Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. New York, United StatesW6SEED2015Wild material1922913W6 48845
58W6 47652OR110-423Danthonia californica Bol. Oregon, United StatesW6SEED2014Wild material1919538W6 47652
59W6 46820UCBG-89Danthonia californica Bol. California, United StatesW62013Wild material1914384W6 46820
60W6 46821CO932-299Danthonia parryi Scribn. Colorado, United StatesW62013Wild material1914385W6 46821
61NA 81472NA 81472Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. District of Columbia, United StatesNANot Available2013COLLECTED06/26/2013U.S. National ArboretumGravelly roadside and grassy oak grove.1951651NA 81472
62W6 44090AK930-155Danthonia intermedia Vasey Alaska, United StatesW6SEEDNot Available2012Wild material1900530W6 44090
63W6 44333CH-136Danthonia californica Bol. Oregon, United StatesW6SEED2012Wild material1901132W6 44333
64W6 41229OR931-54Danthonia californica Bol. Oregon, United StatesW6SEED2011Wild material1868754W6 41229
65W6 40423OR100-118Danthonia californica Bol. Oregon, United StatesW6SEED2011Wild material1861184W6 40423
66W6 40424OR100-130Danthonia californica Bol. Oregon, United StatesW6SEED2011Wild material1861185W6 40424
67W6 40425OR100-138Danthonia californica Bol. Oregon, United StatesW6SEED2011Wild material1861186W6 40425
68W6 40426CA330-114Danthonia californica Bol. California, United StatesW6SEED2011Wild material1861187W6 40426
69W6 35335CO932-154Danthonia intermedia Vasey Colorado, United StatesW6SEED2009Wild materialLemmas pilose on or near margins, glaberous on back; Culms erect, 1-5dm tall1808166W6 35335
70W6 35433UT933-61Danthonia intermedia Vasey Utah, United StatesW6SEED2009Wild materialHeight: 1 to 1.5 feet1808258W6 35433
71W6 35434UT933-62Danthonia intermedia Vasey Utah, United StatesW6SEEDNot Available2009Wild materialHeight: 1 to 1.5 feet1808259W6 35434
72W6 35435UT933-63Danthonia intermedia Vasey Utah, United StatesW6SEED2009Wild materialHeight: 1 to 1.5 feet.1808260W6 35435
73W6 35436UT933-64Danthonia intermedia Vasey Utah, United StatesW6SEED2009Wild materialHeight: 1 to 1.5 feet1808261W6 35436
74W6 35437UT933-65Danthonia intermedia Vasey Utah, United StatesW6SEED2009Wild materialHeight: 1 to 1.5 feet1808262W6 35437
75W6 33211OR110-MEDFORD4Danthonia intermedia Vasey Oregon, United StatesW6SEEDNot Available2008Wild material1780157W6 33211
76NA 77927NA 77927Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. NANot Available2007Cultivated materialFull name as recorded at U.S. National Arboretum: Danthonia spicata.2151155NA 77927
77W6 27605The Basket Slough germplasmDanthonia californica Bol. Oregon, United StatesW62005DEVELOPEDPRE 1999Cultivated material1681508W6 27605
78W6 26858ROSE-9Danthonia californica Bol. Oregon, United StatesW6SEED2005Wild materialGrasslike 0.07 meters tall. 1673897W6 26858
79W6 27161CA330-26Danthonia californica Bol. California, United StatesW6SEED2005Wild materialGrasslike meters tall. 1674196W6 27161
80W6 1912295-30Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. New York, United StatesW61996COLLECTED07/13/1995Blydenburgh County Park, Smithtown, New York.40.84166667, -73.22500000In very sandy soil along a horse trail.Wild material1539267W6 19122