Taxon Details
Sphaeralcea rusbyi var. eremicola
Rusby's desert-mallow
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Taxon Summary:
Sphaeralcea rusbyi var. eremicola, commonly known as Rusby's desert-mallow, is a perennial herb in the Malvaceae that is found only in California. It occurs within Joshua tree "woodland", and Mojavean desert scrub, growing at elevations from 975 to 1645 meters. Sphaeralcea rusbyi var. eremicola is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Sphaeralcea rusbyi Gray var. eremicola (Jeps.) Kearn. |
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Common Name: Rusby's desert-mallow |
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| Family: | Malvaceae | |
| Element Code: | PDMAL140L1 | |
| 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: | 1B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G4T2 |
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State Rank: |
S2 |
| Other Status: | BLM_S; SB_CalBG/RSABG; SB_USDA |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: Mar-Jun
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Elevation:
975 - 1645 meters 3200 - 5395 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: | 32 | 46 % |
| THREAT LIST: | ||
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| Development | 14 | 20% |
| Road/trail construction/maint. | 11 | 15% |
| Grazing | 10 | 14% |
| Mining | 9 | 13% |
| ORV activity | 9 | 13% |
| Non-native animal impacts | 5 | 7% |
| Non-native plant impacts | 5 | 7% |
| Other | 4 | 5% |
| Foot traffic/trampling | 1 | 1% |
| Total Occurrences: | 69 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 7 | 15 | 3 | 1 | 0 | 43 |
| Occurrence Status: | |||||
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| Historical >20 Years | 11 | ||||
| Recent <=20 Years | 58 | ||||
| Presence: | |||||
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| Presumed Extant | 69 | ||||
| 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) Inyo (INY), Riverside (RIV), San Bernardino (SBD) |
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Quads: Name (Quad Code) Blackwater Mine (3511577), Cima (3511525), Cima Dome (3511535), Clark Mtn. (3511555), Cottonwood Canyon (3611753), Cow Cove (3511536), Emigrant Canyon (3611742), Emigrant Pass (3611732), Fountain Peak (3411585), Indian Cove (3411612), Ivanpah Lake (3511554), Marl Mountains (3511526), Mescal Range (3511545), Mesquite Lake (3511565), Mineral Hill (3511544), Pachalka Spring (3511556), State Line Pass (3511564), Valley Wells (3511546) |
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Notes:
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Presumed Extant
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