familyPoaceae
subfamilyPoaceae subfam. Pooideae
genusAchnatherum
speciesAchnatherum nelsonii
subspeciesAchnatherum nelsonii subsp. nelsonii
Achnatherum nelsonii subsp. nelsonii
Common names: Nelson's needlegrass
Synonyms: Stipa columbiana var. nelsonii unknown
Treatment appears in FNA Volume 24. Treatment on page 124.
Calluses sharp, acute to acuminate, glabrous tips 0.05-0.15 mm, dorsal boundary of the glabrous tip and the callus hairs acute; awns 19-45 mm.
Contents
Discussion
Achnatherum nelsonii subsp. nelsonii intergrades with subsp. dorei in Montana and Wyoming, and with A. occidentale subsp. pubescens in California. Its range extends from Idaho and Montana south to Nevada. It tends to grow at lower elevations than subsp. dorei.
References
None.
Lower Taxa
No lower taxa listed.
Facts about "Achnatherum nelsonii subsp. nelsonii"
| Author | Mary E. Barkworth + |
| Authority | unknown + |
| Common name | Nelson's needlegrass + |
| Distribution | Ariz. +, Colo. +, N.Mex. +, Tex. +, Utah +, Calif. +, Oreg. +, Mont. +, Wyo. +, Wash. +, Alta. +, B.C. +, Sask. +, Yukon +, Nev. +, Idaho + and S.Dak. + |
| Illustrator | Cindy Roché + |
| Reference | None + |
| Source xml | https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/314eb390f968962f596ae85f506b4b3db8683b1b/coarse grained fna xml/V24/V24 169.xml + |
| Synonyms | Stipa columbiana var. nelsonii + |
| Taxon family | Poaceae + |
| Taxon name | Achnatherum nelsonii subsp. nelsonii + |
| Taxon parent | Achnatherum nelsonii + |
| Taxon rank | subspecies + |
| Volume | Volume 24 + |