familyPoaceae
subfamilyPoaceae subfam. Pooideae
genusAchnatherum
speciesAchnatherum nelsonii
subspeciesAchnatherum nelsonii subsp. nelsonii
Difference between revisions of "Achnatherum nelsonii subsp. nelsonii"
Common names: Nelson's needlegrass
Synonyms: Stipa columbiana var. nelsonii
Treatment appears in FNA Volume 24. Treatment on page 124.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Achnatherum nelsonii subsp. nelsonii | |accepted_name=Achnatherum nelsonii subsp. nelsonii | ||
| − | |accepted_authority= | + | |accepted_authority= |
|publications= | |publications= | ||
|common_names=Nelson's needlegrass | |common_names=Nelson's needlegrass | ||
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Stipa columbiana var. nelsonii | |name=Stipa columbiana var. nelsonii | ||
| − | |authority= | + | |authority= |
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Stipeae;Achnatherum;Achnatherum nelsonii;Achnatherum nelsonii subsp. nelsonii | |hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Stipeae;Achnatherum;Achnatherum nelsonii;Achnatherum nelsonii subsp. nelsonii | ||
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name=Achnatherum nelsonii subsp. nelsonii | name=Achnatherum nelsonii subsp. nelsonii | ||
| − | + | |authority= | |
| − | |authority= | ||
|rank=subspecies | |rank=subspecies | ||
|parent rank=species | |parent rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Cindy Roché | ||
| + | |illustration copyright=Utah State University | ||
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_169.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Stipeae | |tribe=Poaceae tribe Stipeae | ||
Latest revision as of 16:22, 11 May 2021
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.
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.
Selected References
None.
Lower Taxa
None.
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