CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record fritillaria_lanceolata_var._tristulis - Sat, Dec. 4, 2021, 06:09 ET b
Fritillaria lanceolata var. tristulis
common nameMarin checker lily
CalPhotos image
more photos
© 2001 Doreen Smith  Follow image link for photo data, and for images listed as "Fritillaria affinis var. tristulis".
Link to images listed as "Fritillaria lanceolata var. tristulis"
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
S2      ranking system key
global rank
G5T2      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (9):
Montara Mountain (448C) 3712254, San Rafael (467A) 3712285, Bolinas (467B) 3712286, Point Bonita (467D) 3712275, San Geronimo (484C) 3812216, Point Reyes NE (485A) 3812227, Tomales (485B) 3812228, Drakes Bay (485C) 3812218, Inverness (485D) 3812217
quad data info

Counties, states, regions:
Marin (MRN), San Mateo (SMT)
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)
•Coastal scrub (CoScr)
blooming period Feb-May  
elevation range15 - 150 meters
Some occurrences threatened by grazing, and all by small size. Plants seem not to set seed, but to reproduce by offsets. See F. affinis var. tristulis in The Jepson Manual. See Flora of California 1:(6)308 (1922) by W.L. Jepson for original description.
full nameFritillaria lanceolata Pursh. var. tristulis A.L. Grant
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PMLIL0V0P1
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

pick and add to Plant Pressexplain the meaning of the fieldsFIRSTPREVIOUSNEXTLASTCNPS.ORGQuestions and CommentsHOMELOGIN (you are guest anonymous)   Web Oriented Database Home