Species Details

Malacothamnus hallii

Hall's bush-mallow

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Photo by © 2017 Keir Morse  max-height:128px; max-width:145px;
© 2017 Keir Morse
Photo by © 2017 Keir Morse  max-height:128px; max-width:145px;
© 2017 Keir Morse
Photo by © 2017 Keir Morse  max-height:128px; max-width:145px;
© 2017 Keir Morse
Scientific Name:
Malacothamnus hallii (Eastw.) Kearn.
Common Name:
Hall's bush-mallow
Family: Malvaceae
Element Code: PDMAL0Q0F0
USDA Plants Symbol:
Synonyms/Other Names:
Lifeform: perennial deciduous shrub
Blooming Period: (Apr)May-Sep(Oct)
Elevation:
10 - 760 meters
35 - 2495 feet
General Habitat:
  • Chaparral
  • Coastal scrub
General Micro Habitat:
Micro Habitat:
Notes:
Threatened by development. Possibly threatened by non-native plants, and road maintenance. A synonym of M. fasciculatus in TJM (1993).
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 43
Element Occurrence Ranks:
A B C D X U
3 8 5 3 1 23
Occurrence Status:
Historical >20 Years 15
Recent <=20 Years 28
Presence:
Presumed Extant 42
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Contra Costa (CCA), Merced (MER), Santa Clara (SCL), Stanislaus (STA)
Quads: Name (Quad Code)
Antioch South (3712187), Calaveras Reservoir (3712147), Clayton (3712188), Diablo (3712178), Lone Tree Creek (3712154), Los Banos Valley (3612181), Mississippi Creek (3712124), Morgan Hill (3712126), Pacheco Pass (3712112), Pacheco Peak (3712113), San Jose East (3712137), San Jose West (3712138), Santa Teresa Hills (3712127), Solyo (3712153)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Map

Presumed Extant
Counties   Quads