Taxon Details
Sidalcea calycosa ssp. rhizomata
Point Reyes checkerbloom
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Taxon Summary:
Sidalcea calycosa ssp. rhizomata, commonly known as Point Reyes checkerbloom, is a perennial rhizomatous herb in the Malvaceae that is found only in California. It occurs within Marshes and swamps (freshwater, and near coast), growing at elevations from 3 to 75 meters. Sidalcea calycosa ssp. rhizomata is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Sidalcea calycosa Jones ssp. rhizomata (Jeps.) Munz |
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Common Name: Point Reyes checkerbloom |
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| Family: | Malvaceae | |
| Element Code: | PDMAL11012 | |
| USDA Plants Symbol: | SICAR | |
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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: | 1B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G5T2 |
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State Rank: |
S2 |
| Other Status: | |
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CRPR Changes: |
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| Add Date: | 1994-01-01 |
| Date Edited: | 2022-12-06 |
| Lifeform: perennial rhizomatous herb | ||||||||||||||
Blooming Period: Apr-Sep
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Elevation:
3 - 75 meters 10 - 245 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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| Threat List Total: | 9 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 20 | 59 % |
| THREAT LIST: | ||
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| Grazing | 13 | 38% |
| Other | 10 | 29% |
| Road/trail construction/maint. | 6 | 17% |
| Foot traffic/trampling | 5 | 14% |
| Non-native plant impacts | 3 | 8% |
| Development | 2 | 5% |
| Altered flood/tidal/hydrologic regime | 1 | 2% |
| Mining | 1 | 2% |
| Recreational use (non-ORV) | 1 | 2% |
| Total Occurrences: | 34 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 1 | 17 | 6 | 1 | 0 | 9 |
| Occurrence Status: | |||||
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| Historical >20 Years | 20 | ||||
| Recent <=20 Years | 14 | ||||
| Presence: | |||||
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| Presumed Extant | 34 | ||||
| Possibly Extirpated | 0 | ||||
| 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) Marin (MRN), Mendocino (MEN), Sonoma (SON) |
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Quads: Name (Quad Code) Albion (3912327), Bolinas (3712286), Drakes Bay (3812218), Duncans Mills (3812341), Elk (3912326), Inverness (3812217), Petaluma (3812226), Petaluma River (3812225), San Rafael (3712285), Saunders Reef (3812376), Stewarts Point (3812364), Tomales (3812228), Valley Ford (3812238) |
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Notes:
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Presumed Extant
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