CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record plagiobothrys_chorisianus_var._chorisianus - Wed, Dec. 1, 2021, 11:01 ET b
Plagiobothrys chorisianus var. chorisianus
common nameChoris' popcornflower
CalPhotos image
more photos
© 1988 Dean Wm. Taylor  Follow image link for photo data.
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
G3T2Q      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (21):
Salinas (365B) 3612166, Watsonville West (387A) 3612187, Moss Landing (387D) 3612177, Laurel (407C) 3712118, Big Basin (408B) 3712222, Davenport (408C) 3712212, Felton (408D) 3712211, Franklin Point (409A) 3712223, Pigeon Point (409B) 3712224, Ano Nuevo (409D) 3712213, Palo Alto (428B) 3712242, Mindego Hill (428C) 3712232, Woodside (429A) 3712243, Half Moon Bay (429B) 3712244, San Gregorio (429C) 3712234, La Honda (429D) 3712233, San Francisco South (448B) 3712264, Montara Mountain (448C) 3712254, San Mateo (448D) 3712253, San Francisco North (466C)(*?) 3712274, Oakland West (466D)* 3712273
quad data info

Counties, states, regions:
Alameda (ALA)(*?), Monterey (MNT), Santa Clara (SCL), Santa Cruz (SCR), San Francisco (SFO), San Mateo (SMT)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)
•Coastal prairie (CoPrr)
•Coastal scrub (CoScr)/mesic
blooming period Mar-Jun  
elevation range3 - 160 meters
Taxonomic work needed; intergrades with var. hickmanii, and differences may be environmentally induced. Threatened by development, foot traffic, and non-native plants.
full namePlagiobothrys chorisianus (Chamb.) Jtn. var. chorisianus
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  PLCHC Element Code  PDBOR0V061
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 Wed, Dec. 1, 2021 from

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