CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record fritillaria_roderickii - Sat, Dec. 4, 2021, 20:15 ET b
Fritillaria roderickii
common nameRoderick's fritillary
CalPhotos image
more photos
Robert Potts © 2001 California Academy of Sciences  Follow image link for photo data.
life form bulbiferous 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
G1Q      ranking system key
Where did the "RED" code go?
CA state listingEndangered  11/79
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (8):
Ornbaun Valley (536A) 3812383, Point Arena (537B)* 3812386, Saunders Reef (537C) 3812376, Gualala (537D) 3812375, Philo (551C) 3912314, Boonville (551D) 3912313, Laughlin Range (567D) 3912333, Fort Bragg (569A) 3912347
quad data info

Counties, states, regions:
Mendocino (MEN), Sonoma (SON)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Coastal bluff scrub (CBScr)
•Coastal prairie (CoPrr)
•Valley and foothill grassland (VFGrs)
blooming period Mar-May  
elevation range15 - 400 meters
Plants introduced in MEN (537D) and SON counties. Threatened by road maintenance, residential development, and erosion. Taxonomic validity has been questioned; needs further study. A synonym of F. biflora var. biflora in TJM (1993) and TJM 2. USFWS uses the name F. grayana. See Four Seasons 2(2):14-16 (1967) for original description.
full nameFritillaria roderickii Knight
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  FRRO Element Code  PMLIL0V0M0
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 Sat, Dec. 4, 2021 from

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