Grown habit: Graminoid
Duration: Perennial
Synonyms:
= Stipa columbiana Macoun var. nelsonii (Scribn.) H. St. John
= Stipa nelsonii Scribn.
= Stipa occidentalis Thurb. var. nelsonii (Scribn.) C.L. Hitchc.
= Stipa williamsii Scribn.
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Distribution in USA and Canada (*)
USA (AZ, CO, ID, MT, NV, UT, WY), CAN (SK)
Map for Achnatherum nelsonii (Scribn.) Barkworth ssp. nelsonii
(*) USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 28 August 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA
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