Taxon Details
Brodiaea rosea ssp. rosea
Indian Valley brodiaea
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© 2014 Robert E. Preston, Ph.D. |
©2015 Steve Matson |
© 2014 Robert E. Preston, Ph.D. |
Taxon Summary:
Brodiaea rosea ssp. rosea, commonly known as Indian Valley brodiaea, is a perennial bulbiferous herb in the Themidaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, Closed-cone coniferous forest, and Valley and foothill grassland, growing at elevations from 335 to 1450 meters. Brodiaea rosea ssp. rosea is ranked 3.1, Plants About Which We Need More Information, A Review List; Seriously threatened in California.|
Scientific Name: Brodiaea rosea (Greene) Baker ssp. rosea |
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Common Name: Indian Valley brodiaea |
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| Family: | Themidaceae | |
| Element Code: | PMLIL0C0K3 | |
| USDA Plants Symbol: | ||
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 3.1 |
| Fed List: | None |
| State List: | CE (1979-09-01) |
| Global Rank: | G2Q |
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State Rank: |
S2 |
| Other Status: | BLM_S; USFS_S |
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CRPR Changes: changed from 1B.1 to 3.1 on 2019-01-07 |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2025-10-29 |
| Lifeform: perennial bulbiferous herb | ||||||||||||||
Blooming Period: May-Jun
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Elevation:
335 - 1450 meters 1100 - 4755 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Recircumscribed as B. rosea ssp. rosea; principal components, cluster, and discriminant analyses clearly demonstrate the existence of two morphologically diagnostic taxonomic groups within B. rosea, but do not support recognition of serpentine endemic and non-serpentine taxa. Violet flowered populations with strongly inrolled staminodes, previously assigned to B. coronaria, are morphologically more similar to B. rosea, thereby greatly increasing its distribution to volcanic, non-serpentine, occurrences in northeastern CA, and north to British Columbia. Treated here as a serpentine ecotype from Interior North Coast and southeastern Klamath Ranges; further genetic and molecular data are needed to assess whether serpentine populations of B. rosea represent a morphologically-cryptic ecotype that is worthy of taxonomic status. |
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Threats: Threatened by vehicles, dumping, and horticultural collecting. |
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Taxonomy: |
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| Threat List Total: | 8 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 10 | 48 % |
| THREAT LIST: | ||
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| Other | 6 | 28% |
| ORV activity | 4 | 19% |
| Vandalism/dumping/litter | 3 | 14% |
| Non-native plant impacts | 2 | 9% |
| Dam/Inundation | 2 | 9% |
| Grazing | 1 | 4% |
| Mining | 1 | 4% |
| Surface water diversion | 1 | 4% |
| Total Occurrences: | 21 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 8 | 4 | 4 | 0 | 1 | 4 |
| Occurrence Status: | |||||
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| Historical >20 Years | 12 | ||||
| Recent <=20 Years | 9 | ||||
| Presence: | |||||
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| Presumed Extant | 20 | ||||
| Possibly Extirpated | 1 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Colusa (COL), Glenn (GLE), Lake (LAK), Shasta (SHA), Tehama (TEH), Trinity (TRI) |
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Quads: Name (Quad Code) Chicken Hawk Hill (4112214), Gilmore Peak (3912235), Hough Springs (3912225), Leesville (3912224), Riley Ridge (3912286), Stonyford (3912245), Trinity Center (4012286), Trinity Dam (4012277), Wilbur Springs (3912214) |
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Notes:
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Presumed Extant
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