CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record chloropyron_maritimum_ssp._palustre - Sat, Dec. 4, 2021, 06:29 ET b
Chloropyron maritimum ssp. palustre
common namePoint Reyes bird's-beak
CalPhotos image
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life formannual herb hemiparasitic
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
G4?T2      ranking system key
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (24):
Milpitas (427B)* 3712148, Mountain View (428A)* 3712241, San Leandro (447B)* 3712262, Redwood Point (447C)* 3712252, San Mateo (448D)* 3712253, Richmond (466A) 3712283, San Quentin (466B)* 3712284, San Francisco North (466C) 3712274, Oakland West (466D)* 3712273, San Rafael (467A) 3712285, Bolinas (467B) 3712286, Petaluma River (484A) 3812225, Novato (484D) 3812215, Point Reyes NE (485A) 3812227, Tomales (485B) 3812228, Drakes Bay (485C) 3812218, Inverness (485D) 3812217, Valley Ford (502C) 3812238, Bodega Head (503D) 3812331, Fields Landing (654B) 4012462, Cannibal Island (655A) 4012463, Tyee City (672B) 4012482, Eureka (672C) 4012472, Arcata South (672D) 4012471
quad data info

Counties, states, regions:
Alameda (ALA)*, Humboldt (HUM), Marin (MRN), Santa Clara (SCL)*, San Francisco (SFO), San Mateo (SMT)*, Sonoma (SON), Oregon (OR)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Marshes and swamps (MshSw)(coastal salt)
blooming period Jun-Oct  
elevation range0 - 10 meters
Once rather common in proper habitat; now greatly reduced by development. Also threatened by foot traffic, non-native plants, hydrological alterations, cattle grazing and trampling. State listed as Endangered in OR. See Proceedings of the California Academy of Science 1:61 (1855) for original description, Brittonia 25:135-158 (1973) for taxonomic treatment, and Madroņo 41(4):316-327 (1994) for ecological discussion.
full nameChloropyron maritimum (Benth.) A. Heller ssp. palustre (Behr) Tank & J.M. Egger
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDSCR0J0C3
Jepson Online Jepson Interchange  Jepson Manual and other resources
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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 Sat, Dec. 4, 2021 from

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