CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record malacothamnus_davidsonii - Sun, Dec. 5, 2021, 12:51 ET b
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
MAPS - Use v8 link below.

Topographic quads (24):
Burbank (111A) 3411823, Van Nuys (111B) 3411824, Condor Peak (136C) 3411832, San Fernando (137C) 3411834, Sunland (137D) 3411833, Lockwood Valley (165A) 3411961, Wheeler Springs (166D) 3411953, Cuyama Peak (191C) 3411974, Apache Canyon (191D) 3411973, Tierra Redonda Mountain (294C) 3512078, Bradley (294D) 3512077, Williams Hill (295A) 3512181, Jolon (295B) 3512182, Burnett Peak (295C) 3512172, Bryson (295D) 3512171, Thompson Canyon (318B) 3612122, Cosio Knob (318C) 3612112, Bear Canyon (319D) 3612113, Sycamore Flat (342C) 3612134, 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:
Kern (KRN), Los Angeles (LAX), Monterey (MNT), Santa Barbara (SBA), Santa Clara (SCL), San Luis Obispo (SLO), San Mateo (SMT), Ventura (VEN)
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 - 1140 meters
Threatened by urbanization in LAX Co. Potentially threatened by development, 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 interface for this taxon, including GIS and more 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
search Google CNPS website    search Google entire web

Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Sun, Dec. 5, 2021 from

pick and add to Plant Pressexplain the meaning of the fieldsFIRSTPREVIOUSNEXTLASTCNPS.ORGQuestions and CommentsHOMELOGIN (you are guest anonymous)   Web Oriented Database Home