Species Details
Malacothamnus davidsonii
Davidson's bushmallow
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© 2016 Keir Morse |
© 2016 Keir Morse |
© 2006 Gabi McLean |
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Scientific Name: Malacothamnus davidsonii (Rob.) Greene |
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Common Name: Davidson's bushmallow |
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| Family: | Malvaceae | |
| Element Code: | PDMAL0Q0V0 | |
| USDA Plants Symbol: | MADA | |
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | GNR |
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State Rank: |
S2 |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2024-12-03 |
| Lifeform: perennial deciduous shrub | ||||||||||||||
Blooming Period: Jun-Jan
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Elevation:
185 - 1140 meters 605 - 3740 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: |
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Threats: Threatened by development, erosion/runoff, foot traffic/trampling, herbicides, improper burning regime, non-native plant impacts, ORV activity, road/trail construction/maintenance, vandalism/dumping/litter, waterway bank protection/maintenance, wood cutting or brush clearing. |
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Taxonomy: Formerly included populations from Monterey and San Luis Obispo counties that are now treated as M. discombobulatus; the two species are allopatric and genetically distinct. May intergrade with M. fasciculatus; see Madroño 46(4): 142-152 (1999) for information. |
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| Threat List Total: | 12 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 29 | 55 % |
| THREAT LIST: | ||
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| Other | 16 | 30% |
| Road/trail construction/maint. | 13 | 24% |
| Wood cutting or brush clearing | 9 | 16% |
| Development | 8 | 15% |
| Non-native plant impacts | 6 | 11% |
| ORV activity | 6 | 11% |
| Foot traffic/trampling | 5 | 9% |
| Erosion/runoff | 3 | 5% |
| Biocides | 2 | 3% |
| Improper burning regime | 1 | 1% |
| Vandalism/dumping/litter | 1 | 1% |
| Waterway bank protection/maintenance | 1 | 1% |
| Total Occurrences: | 53 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 6 | 9 | 11 | 1 | 1 | 25 |
| Occurrence Status: | |||||
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| Historical >20 Years | 11 | ||||
| Recent <=20 Years | 42 | ||||
| Presence: | |||||
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| Presumed Extant | 52 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 1 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) |
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Quads: Name (Quad Code) |
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Notes:
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Map
Location Data is Forthcoming from the CNDDB
Presumed Extant
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