CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-14nov 11-15-14
Status: record malacothamnus_davidsonii - Sat, Nov. 22, 2014 20:57 ET c
Malacothamnus davidsonii
common nameDavidson's bush-mallow
CalPhotos image
more photos
© 2006 Gabi McLean  Follow image link for photo data.
life form deciduous shrub
CA Rare Plant Rank
List 1B.2
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.2: Fairly endangered in California
state rank
S2      ranking system key
global rank
G2     G2: 6-20 occurrences OR 1,000-3,000 individuals OR 2,000-10,000 acres
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
(12/2) v7 maps currently unavailable - use link below for v8 details and maps

Topographic quads (21):
Burbank (111A) 3411823, Van Nuys (111B) 3411824, Mescal Creek (134B) 3411746, Acton (136B) 3411842, Condor Peak (136C) 3411832, San Fernando (137C) 3411834, Sunland (137D) 3411833, Val Verde (138B) 3411846, Tierra Redonda Mountain (294C) 3512078, Bradley (294D) 3512077, Jolon (295B) 3512182, Burnett Peak (295C) 3512172, Bryson (295D) 3512171, Thompson Canyon (318B) 3612122, Cosio Knob (318C) 3612112, Bear Canyon (319D) 3612113, Palo Alto (428B) 3712242, Mindego Hill (428C) 3712232, Woodside (429A) 3712243, Montara Mountain (448C) 3712254, San Mateo (448D) 3712253
quad data info

Counties, states, regions:
Los Angeles (LAX), Monterey (MNT), Santa Clara (SCL), San Luis Obispo (SLO), San Mateo (SMT)
counties map
CNDDB Quick Viewer
Web application for exploring the CNDDB elements reported at the quad level.
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A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)
•Cismontane woodland (CmWld)
•Coastal scrub (CoScr)
•Riparian woodland (RpWld)
blooming period Jun-Jan  
elevation range185 - 855 meters
Threatened by urbanization in LAX Co. Potentially threatened by maintenance activities and erosion. Intergrades with M. fasciculatus; see Madroņo 46(3):142-152 (1999) for information.
full nameMalacothamnus davidsonii (Rob.) Greene
Version 8    INVENTORY VERSION 8 - Details for this taxon, including GIS and other links

Additional information:
standard acronym  MADA Element Code  PDMAL0Q040
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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Suggested citation: California Native Plant Society (CNPS). 2014. Inventory of Rare and Endangered Plants (online edition, v7-14nov). California Native Plant Society. Sacramento, CA. Accessed on Sat, Nov. 22, 2014 from

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