CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record puccinellia_simplex - Fri, Nov. 26, 2021 19:12 ET c
Puccinellia simplex
common nameCalifornia alkali grass
CalPhotos image
more photos
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life formannual herb
CA Rare Plant Rank
List 1B.2
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.2: Fairly endangered in California
state rank
S2      ranking system key
global rank
G3     G3: 21-80 occurrences or 3,000-10,000 individuals OR 10,000-50,000 acres
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (59):
Lucerne Valley (131B) 3411648, Redman (185C) 3411778, Rosamond Lake (186D) 3411871, Mud Hills (207D) 3511711, Weed Patch (214B)* 3511828, Lokern (242A) 3511945, Reward (242C) 3511936, West Elk Hills (242D) 3511935, Lake Isabella South (260C) 3511854, Lost Hills (265C) 3511956, Cholame Valley (292D) 3512073, Cairns Corner (310B) 3611922, Taylor Weir (311C) 3611914, Monson (334A) 3611943, Traver (334B) 3611944, Goshen (334C) 3611934, Remnoy (335D)* 3611935, Riverdale (336A) 3611947, Kerman (359A)* 3612061, Jamesan (359B) 3612062, Helm (359D)* 3612051, Bonita Ranch (380B) 3612082, Gravelly Ford (380C) 3612072, Firebaugh NE (381A) 3612083, Ortigalita Peak NW (383B) 3612088, Los Banos Valley (384A) 3612181, Chittenden (386A) 3612185, Plainsburg (401A) 3712023, El Nido (401B) 3712024, San Luis Ranch (403A) 3712027, Los Banos (403D) 3712017, Arena (422C) 3712036, Hatch (423B) 3712048, Crows Landing (424A) 3712141, Milpitas (427B) 3712148, Mammoth Mountain (435A) 3711961, Ripon (443B) 3712162, Altamont (445B) 3712166, Livermore (446A) 3712167, La Costa Valley (446D) 3712157, Byron Hot Springs (463C) 3712176, Clifton Court Forebay (463D) 3712175, Denverton (481B) 3812128, Fairfield South (482A)(?) 3812221, Saxon (497B)* 3812146, Dozier (498D) 3812137, Grays Bend (513B) 3812166, Davis (513C)(?) 3812156, Woodland (514A)* 3812167, Merritt (514D)* 3812157, Calistoga (517D) 3812255, Eldorado Bend (530D)(?) 3812177, Colusa (546A) 3912221, Williams (546B)(?) 3912222, Arbuckle (546D) 3912211, Wilbur Springs (547C) 3912214, Pennington (561D) 3912137, Logandale (562B) 3912242, Stonyford (564A) 3912245
quad data info

Counties, states, regions:
Alameda (ALA), Butte (BUT), Contra Costa (CCA), Colusa (COL), Fresno (FRE), Glenn (GLE), Kings (KNG)*, Kern (KRN), Lake (LAK), Los Angeles (LAX), Madera (MAD), Merced (MER), Napa (NAP), San Bernardino (SBD), Santa Clara (SCL), Santa Cruz (SCR), San Luis Obispo (SLO), Solano (SOL), Stanislaus (STA), Tulare (TUL), Yolo (YOL), Utah (UT)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chenopod scrub (ChScr)
•Meadows and seeps (Medws)
•Valley and foothill grassland (VFGrs)
•Vernal pools (VnPls)/Alkaline, vernally mesic; sinks, flats, and lake margins
blooming period Mar-May  
elevation range2 - 930 meters
Threatened by hydrological alterations, urbanization, agricultural conversion, development, and habitat fragmentation, disturbance, alteration, and loss; resulting in extirpation of some occurrences. Potentially threatened by solar energy development. Possibly threatened by grazing and proximity to roads. Similar to P. parishii. See Circular, United States Department of Agriculture, Division of Agrostology 16:1 (1899) for original description.
full namePuccinellia simplex Scribn.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  PUSI Element Code  PMPOA53110
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 Fri, Nov. 26, 2021 from

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