CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record alopecurus_aequalis_var._sonomensis - Sun, Nov. 28, 2021 07:27 ET c
Alopecurus aequalis var. sonomensis
common nameSonoma alopecurus
CalPhotos image
more photos
© 2001 Doreen L. Smith  Follow image link for photo data.
life formperennial herb
CA Rare Plant Rank
List 1B.1
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.1: Seriously endangered in California
state rank
S1      ranking system key
global rank
G5T1      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingEndangered  10/22/97
where found
MAPS - Use v8 link below.

Topographic quads (8):
Bolinas (467B) 3712286, Drakes Bay (485C) 3812218, Inverness (485D) 3812217, Kenwood (501A) 3812245, Sebastopol (502A) 3812247, Camp Meeker (502B) 3812248, Two Rock (502D) 3812237, Duncans Mills (503A) 3812341
quad data info

Counties, states, regions:
Marin (MRN), Sonoma (SON)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Marshes and swamps (MshSw)(freshwater)
•Riparian scrub (RpScr)
blooming period May-Jul  
elevation range5 - 365 meters
Two occurrences introduced in 1987 (485C, 485D), but both appear to have failed as of 1993. Historical localities need field surveys. Threatened by cattle trampling, wetland habitat loss, and non-native plants. See A. aequalis in The Jepson Manual.
full nameAlopecurus aequalis Sobol. var. sonomensis Rubtzoff
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ALAES Element Code  PMPOA07012
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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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 Sun, Nov. 28, 2021 from

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