Taxon Report

Fritillaria pinetorum A. Davids.

pine fritillary

Print Report


© 2008 Steve Matson

Taxon Summary

Fritillaria pinetorum, commonly known as pine fritillary, is a perennial bulbiferous herb in the Liliaceae that is found only in California. It occurs within Chaparral, Lower montane coniferous forest, Pinyon and juniper woodland, Subalpine coniferous forest, and Upper montane coniferous forest, growing at elevations from 1735 to 3300 meters. Fritillaria pinetorum is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

  Classification
Scientific Name:
 Fritillaria pinetorum A. Davids.
Common Name:
 pine fritillary
Family: Liliaceae
Element Code: PMLIL0V0E0
USDA Plants Symbol: FRPI
Synonyms/Other Names:

Ecology and Life History
Lifeform: perennial bulbiferous herb
Blooming Period: May-Jul(Sep) May-Jul(Sep)
Elevation: 1735-3300 (5695-10825)
General Habitats: Chaparral, Lower montane coniferous forest, Pinyon and juniper woodland, Subalpine coniferous forest, Upper montane coniferous forest
Microhabitat: Granitic (sometimes), Metamorphic (sometimes)
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 4.3
Global Rank: G4
State Rank:
 S4
State List: None
Fed List: None
Other Status: SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB
Total Occurrences: 0
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 0

Location
California Endemic:  True
California Counties and Islands: Name (Code)
Alpine (ALP)?, Fresno (FRE), Inyo (INY), Kern (KRN), Los Angeles (LAX), Mariposa (MPA), Mono (MNO), San Bernardino (SBD), Tulare (TUL), Tuolumne (TUO), Ventura (VEN)
Quads: Name (Quad Code)
Alamo Mountain (3411868), Alta Sierra (3511865), Big Bear City (3411637), Big Bear Lake (3411628), Bloody Mtn. (3711858), Breckenridge Mtn. (3511845), Casa Vieja Meadows (3611823), Claraville (3511843), Convict Lake (3711857), Crag Peak (3611812), Crystal Crag (3711951), Crystal Lake (3411737), Cucamonga Peak (3411725), Cummings Mtn. (3511815), Dunderberg Peak (3811913), Emerald Mtn. (3511833), Fawnskin (3411638), Freel Peak (3811978), Giant Forest (3611857), Harrison Mtn. (3411722), Johnsondale (3511885), June Lake (3711971), Kearsarge Peak (3611873), Lake Isabella South (3511854), Liebre Twins (3411885), Lockwood Valley (3411961), Lodgepole (3611856), Mammoth Mtn. (3711961), Mescal Creek (3411746), Mineral King (3611845), Monolith (3511813), Moonridge (3411627), Moses Mtn. (3611836), Mount Dana (3711982), Mount San Antonio (3411736), Mt. Silliman (3611866), Muir Grove (3611867), Olancha (3611831), Old Mammoth (3711868), Onyx Peak (3411626), Owens Peak (3511768), Piute Peak (3511844), Reyes Peak (3411963), Sawmill Mountain (3411972), Sentinel Peak (3611815), Split Mtn. (3711814), Tehachapi North (3511824), Tehachapi South (3511814), Telegraph Peak (3411735), Tenaya Lake (3711974), The Sphinx (3611875), Tobias Peak (3511875), Triple Divide Peak (3611855), Tungsten Hills (3711835), Walker Pass (3511861)

Threat List Data from the CNDDB

Threat List Total: 0
EOs with Threat Listed: Total EOs % of EOs
0 0 %

Notes
Possibly threatened by wind energy development, logging, and vehicles. Does plant occur in ALP Co.? Can be confused with F. atropurpurea. See Muhlenbergia 4:67 (1908) for original description.
Threats:
Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 3 April 2025].