Species Details

Malacothamnus fasciculatus var. nesioticus

Santa Cruz Island bush-mallow

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Photo of Malacothamnus fasciculatus var. nesioticus
© 2009 Gary A. Monroe
Photo of Malacothamnus fasciculatus var. nesioticus
© 2014 Steve Matson
Photo of Malacothamnus fasciculatus var. nesioticus
© 2014 Steve Matson
Scientific Name:
Malacothamnus fasciculatus (T. & G.) Greene var. nesioticus (Rob.) Kearn.
Common Name:
Santa Cruz Island bush-mallow
Family: Malvaceae
Element Code: PDMAL0Q061
USDA Plants Symbol:
Synonyms/Other Names:
Lifeform: perennial deciduous shrub
Blooming Period: Apr-Jul
JFMAMJJASOND
Elevation:
15 - 210 meters
50 - 690 feet
General Habitats:
  • Chaparral
  • Coastal scrub
Microhabitat Details:
Microhabitat:
  • Rocky
Notes:
Occurrences small. Reintroduction work ongoing as of 1996.
Threats:
Threatened by erosion and non-native plants. Occurrence near Christi Ranch fenced, and Central Valley occurrence appears inaccessible to feral pigs. 
Taxonomy:
A synonym of M. fasciculatus in The Jepson Manual, but recent unpublished molecular taxonomic work demonstrates taxon is distinct.
Threat List Total: 4
Total EOs % of EOs
EOs with Threat Listed: 6 75 %
THREAT LIST:
Non-native plant impacts 5 62%
Other 3 37%
Erosion/runoff 2 25%
Improper burning regime 2 25%
Total Occurrences: 8
Element Occurrence Ranks:
A B C D X U
0 4 4 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 8
Presence:
Presumed Extant 8
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Santa Barbara (SBA)
Quads: Name (Quad Code)
Santa Cruz Island A (3311987), Santa Cruz Island B (3311986), Santa Cruz Island C (3311985)
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.
Presumed Extant
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