CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record agrostis_humilis - Mon, Nov. 29, 2021 12:12 ET c
Agrostis humilis
common namemountain bent grass
CalPhotos image
more photos
© 2004 Dean Wm. Taylor  Follow image link for photo data.
life formperennial herb
CA Rare Plant Rank
List 2B.3
LIST 2B: Rare, threatened, or endangered in California, but more common elsewhere.
     0.3: Not very endangered in California
state rank
S2      ranking system key
global rank
G4Q      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (15):
Silver City (331B) 3611846, Moses Mountain (331C) 3611836, Quinn Peak (331D) 3611835, Merced Peak (436B) 3711964, Koip Peak (453C) 3711972, Tioga Pass (454A) 3711983, Falls Ridge (454B) 3711984, Tenaya Lake (454C) 3711974, Vogelsang Peak (454D) 3711973, Yosemite Falls (455D) 3711975, Lake Eleanor (456A) 3711987, Dunderberg Peak (471D) 3811913, Tower Peak (472A) 3811925, Sonora Pass (489C) 3811936, Ebbetts Pass (506D) 3811957
quad data info

Counties, states, regions:
Alpine (ALP), Madera (MAD), Mono (MNO), Mariposa (MPA), Tuolumne (TUO), Colorado (CO), Idaho (ID), Montana (MT), New Mexico (NM), Nevada (NV), Oregon (OR), Utah (UT), Washington (WA), Wyoming (WY)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Alpine boulder and rock field (AlpBR)
•Meadows and seeps (Medws)
•Subalpine coniferous forest (SCFrs)/Sometimes carbonate.
blooming period Jul-Sep  
elevation range2670 - 3200 meters
To be expected elsewhere in CA; need field surveys. Threatened by foot traffic and vehicles. Possibly threatened by grazing and trampling. Similar to A. variabilis and intergrades with A. thurberiana. Different circumscription here than TJM 2, which includes A. thurberiana (a common taxon) as a synonym. See Bulletin of the Torrey Botanical Club 10(2):21(1883) for original description and Madroņo 25(4):232 (1978) for first CA record.
full nameAgrostis humilis Vasey
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  AGHU Element Code  PMPOA040P0
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web

Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Mon, Nov. 29, 2021 from

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