Taxon Report

Fritillaria agrestis Greene

stinkbells

Print Report

© 2016 Aaron Schusteff

Taxon Summary

Fritillaria agrestis, commonly known as stinkbells, is a perennial bulbiferous herb in the Liliaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, Pinyon and juniper woodland, and Valley and foothill grassland, growing at elevations from 10 to 1555 meters. Fritillaria agrestis is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Classification


Scientific Name:	Fritillaria agrestis Greene
Common Name:	stinkbells
Family:	Liliaceae
Element Code:	PMLIL0V010
USDA Plants Symbol:	FRAG
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial bulbiferous herb
Blooming Period: Mar-Jun	Mar-Jun
Elevation:	10-1555 (35-5100)
General Habitats:	Chaparral, Cismontane woodland, Pinyon and juniper woodland, Valley and foothill grassland
Microhabitat:	Clay, Serpentine (sometimes)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.2
Global Rank:	G3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	32
Element Occurrence Ranks:
Excellent (A)	2
Good (B)	9
Fair (C)	8
Poor (D)	0
None (X)	2
Unknown (U)	11

Location


California Endemic: True
California Counties and Islands: Name (Code)
Alameda (ALA), Colusa (COL), Contra Costa (CCA), Fresno (FRE), Kern (KRN), Kings (KNG), Mariposa (MPA), Mendocino (MEN), Merced (MER), Monterey (MNT), Placer (PLA), Plumas (PLU), Sacramento (SAC), San Benito (SBT), San Luis Obispo (SLO), San Mateo (SMT)*, Santa Barbara (SBA), Santa Clara (SCL), Solano (SOL), Stanislaus (STA), Tulare (TUL), Tuolumne (TUO), Ventura (VEN), Yolo (YOL), Yuba (YUB)
Quads: Name (Quad Code)
Altamont (3712166), Ano Nuevo (3712213), Antioch North (3812117), Antioch South (3712187), Arbuckle (3912211), Atascadero (3512046), Ballinger Canyon (3411984), Brentwood (3712186), Burnett Peak (3512172), Burro Mountain (3512173), Byron Hot Springs (3712176), Caliente Mtn. (3511917), Camatta Ranch (3512043), Camp Far West (3912113), Carneros Rocks (3511947), Cedar Mtn. (3712155), Chimineas Ranch (3511928), Chinese Camp (3712074), Cholame (3512063), Citrus Heights (3812163), Clayton (3712188), Clifton Court Forebay (3712175), Cosio Knob (3612112), Coulterville (3712062), Creston (3512055), Curry Mountain (3612014), Cuyama (3411985), Davis (3812156), Denair (3712057), Diablo (3712178), Dozier (3812137), Dunnigan (3812188), Elkhorn Hills (3511915), Folsom (3812162), Fox Mountain (3411975), Franklin Point (3712223), Hepsedam Peak (3612037), Hernandez Reservoir (3612047), Hornitos (3712052), Hull Mountain (3912258), Hurricane Deck (3411977), Idria (3612046), Joaquin Rocks (3612034), Jolon (3512182), Knights Ferry (3712076), La Costa Valley (3712157), Las Trampas Ridge (3712271), Las Yeguas Ranch (3511948), Lincoln (3812183), Lindsay (3611921), Lockwood Valley (3411961), Mendenhall Springs (3712156), Midway (3712165), Monarch Peak (3612027), Monterey (3612158), New Melones Dam (3712085), Orchard Peak (3512062), Pacheco Pass (3712112), Parkfield (3512084), Paulsell (3712066), Penon Blanco Peak (3712063), Planada (3712033), Pleito Hills (3411981), Point Sur (3612138), Priest Valley (3612026), Rancho Nuevo Creek (3411964), Rio Linda (3812164), Rocklin (3812172), Roseville (3812173), Sacramento East (3812154), Sacramento West (3812155), Salisbury Potrero (3411976), San Juan Bautista (3612175), San Luis Obispo (3512036), Slack Canyon (3612016), Sloughhouse (3812142), Snelling (3712054), Soledad (3612143), Sonora (3712084), Springville (3611827), Storrie (3912183), Tassajara (3712177), Taylor Canyon (3511918), Tent Hills (3512072), The Dark Hole (3512083), Trimmer (3611983), Turlock (3712047), Ukiah (3912322), Waterford (3712067), Wells Ranch (3511916), Wilson Corner (3512044)

Threat List Data from the CNDDB


Threat List Total:	9
EOs with Threat Listed:	Total EOs	% of EOs
	24	75 %
Grazing	12	37%
Development	9	28%
ORV activity	3	9%
Road/trail construction/maint.	3	9%
Agriculture	2	6%
Dam/Inundation	2	6%
Disking	1	3%
Other	1	3%
Over-collecting/poaching	1	3%

Notes



Most populations small. Threatened by development, grazing, and vehicles. Possibly threatened by non-native plants.
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 27 January 2025].