Taxon Report
Fritillaria pluriflora Benth.adobe-lily |
 © 2015 Steve Matson |
Taxon Summary
Fritillaria pluriflora, commonly known as adobe-lily, is a perennial bulbiferous herb in the Liliaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, and Valley and foothill grassland, growing at elevations from 60 to 705 meters. Fritillaria pluriflora is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Fritillaria pluriflora Benth. |
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Common Name: |
adobe-lily |
| Family: | Liliaceae |
| Element Code: | PMLIL0V0F0 |
| USDA Plants Symbol: | FRPL |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial bulbiferous herb |
| Blooming Period: Feb-Apr | Feb-Apr |
| Elevation: | 60-705 (195-2315) |
| General Habitats: | Chaparral, Cismontane woodland, Valley and foothill grassland |
| Microhabitat: | Adobe (often) |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2G3 |
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State Rank: |
S2S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_CalBG/RSABG; SB_UCBG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 114 |
| Element Occurrence Ranks: | |
| Excellent (A) | 12 |
| Good (B) | 31 |
| Fair (C) | 14 |
| Poor (D) | 4 |
| None (X) | 0 |
| Unknown (U) | 53 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Butte (BUT), Colusa (COL), Glenn (GLE), Lake (LAK), Napa (NAP), Solano (SOL), Tehama (TEH), Yolo (YOL) | |
| Quads: Name (Quad Code) | |
| Aetna Springs (3812264), Chico (3912167)*, Chrome (3912265), Dixon (3812147)*, Elk Creek (3912255), Elmira (3812138)*, Gilmore Peak (3912235), Glascock Mtn. (3812283), Jericho Valley (3812274), Knoxville (3812273), Leesville (3912224), Lodoga (3912234), Los Molinos (4012211), Lower Lake (3812285), Lowrey (4012215), Newville (3912275), Nord (3912178)*, Rail Canyon (3912244), Red Bluff West (4012223), Richardson Springs (3912177), Richardson Springs NW (3912188), Rumsey (3812282), Salt Canyon (3912213), Shippee (3912156)*, Stonyford (3912245), Tuscan Springs (4012221), Vina (3912281), Walter Springs (3812263), Wilbur Springs (3912214), Wilson Valley (3812284) | |
Threat List Data from the CNDDB
| Threat List Total: | 11 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 69 | 61 % | |
| Grazing | 46 | 40% |
| Road/trail construction/maint. | 15 | 13% |
| Non-native plant impacts | 9 | 7% |
| ORV activity | 9 | 7% |
| Foot traffic/trampling | 8 | 7% |
| Development | 7 | 6% |
| Dam/Inundation | 5 | 4% |
| Recreational use (non-ORV) | 4 | 3% |
| Other | 3 | 2% |
| Over-collecting/poaching | 1 | 0% |
| Biocides | 1 | 0% |
Selected References
| USFS Potential Species of Conservation Concern Profile |
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].