Species Details

Fritillaria lanceolata var. tristulis

Marin checker lily

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Photo of Fritillaria lanceolata var. tristulis
© 2020 Barry Rice
Photo of Fritillaria lanceolata var. tristulis
© 2020 Barry Rice
Photo of Fritillaria lanceolata var. tristulis
© 2020 Barry Rice
Scientific Name:
Fritillaria lanceolata Pursh. var. tristulis A.L. Grant
Common Name:
Marin checker lily
Family: Liliaceae
Element Code: PMLIL0V0P1
USDA Plants Symbol:
Synonyms/Other Names:
Lifeform: perennial bulbiferous herb
Blooming Period: Feb-May
Elevation:
15 - 150 meters
50 - 490 feet
General Habitat:
  • Coastal bluff scrub
  • Coastal prairie
  • Coastal scrub
General Micro Habitat:
Micro Habitat:
Notes:
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.
Threats:
Taxonomy:
Other:
Total Occurrences: 32
Element Occurrence Ranks:
A B C D X U
1 11 11 0 0 9
Occurrence Status:
Historical >20 Years 21
Recent <=20 Years 11
Presence:
Presumed Extant 32
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Marin (MRN)
Quads: Name (Quad Code)
Bolinas (3712286), Drakes Bay (3812218), Inverness (3812217), Point Bonita (3712275), Point Reyes NE (3812227), San Geronimo (3812216), San Rafael (3712285), Tomales (3812228)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Map

Presumed Extant
Counties   Quads