Species Details
Malacothamnus davidsonii
Davidson's bush-mallow
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Scientific Name: Malacothamnus davidsonii (Rob.) Greene |
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Common Name: Davidson's bush-mallow |
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Family: | Malvaceae | |
Element Code: | PDMAL0Q040 | |
USDA Plants Symbol: | MADA | |
Synonyms/Other Names: |
CA Rare Plant Rank: | 1B.2 |
Fed List: | None |
State List: | None |
Global Rank: | G2 |
State Rank: |
S2 |
Other Status: | SB_CalBG/RSABG |
CRPR Changes: |
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Add Date: | 1974-01-01 |
Date Edited: | 2021-05-26 |
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: | ||||||||||||||
Microhabitat:
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Threat List Total: | 16 | |
Total EOs | % of EOs | |
EOs with Threat Listed: | 35 | 42 % |
THREAT LIST: | ||
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Other | 21 | 25% |
Road/trail construction/maint. | 18 | 21% |
Non-native plant impacts | 12 | 14% |
Foot traffic/trampling | 10 | 12% |
Wood cutting or brush clearing | 9 | 10% |
Development | 8 | 9% |
Improper burning regime | 7 | 8% |
Grazing | 6 | 7% |
Feral pigs | 6 | 7% |
ORV activity | 6 | 7% |
Erosion/runoff | 3 | 3% |
Biocides | 2 | 2% |
Altered flood/tidal/hydrologic regime | 1 | 1% |
Military operations | 1 | 1% |
Vandalism/dumping/litter | 1 | 1% |
Waterway bank protection/maintenance | 1 | 1% |
Total Occurrences: | 83 | ||||
Element Occurrence Ranks: | |||||
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A | B | C | D | X | U |
6 | 13 | 13 | 1 | 2 | 48 |
Occurrence Status: | |||||
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Historical >20 Years | 29 | ||||
Recent <=20 Years | 54 |
Presence: | |||||
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Presumed Extant | 81 | ||||
Possibly Extirpated | 1 | ||||
Presumed Extirpated | 1 |
California Endemic: | |||||||||||||
California Island: | |||||||||||||
States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Los Angeles (LAX), Monterey (MNT), San Luis Obispo (SLO) |
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Quads: Name (Quad Code) Bear Canyon (3612113), Bradley (3512077), Bryson (3512171), Burbank (3411823), Burnett Peak (3512172), Condor Peak (3411832), Cosio Knob (3612112), Hames Valley (3512088), Jolon (3512182), San Fernando (3411834), Sunland (3411833), Sycamore Flat (3612134), Thompson Canyon (3612122), Tierra Redonda Mountain (3512078), Van Nuys (3411824), Williams Hill (3512181) |
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Notes:
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