Species Details

Sidalcea malachroides

maple-leaved checkerbloom

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Photo by ©2005 Dean Wm. Taylor  max-height:128px; max-width:145px;
©2005 Dean Wm. Taylor
Scientific Name:
Sidalcea malachroides (H. & A.) Gray
Common Name:
maple-leaved checkerbloom
Family: Malvaceae
Element Code: PDMAL110E0
USDA Plants Symbol: SIMA
Synonyms/Other Names:
CA Rare Plant Rank: 4.2
Fed List: None
State List: None
Global Rank: G3
State Rank:
S3
Other Status:
CRPR Changes:
changed from 1B to 4 on 2006-06-01
changed from 1B.2 to 4.2 on 2003-04-04
Add Date: 1994-01-01
Date Edited: 2022-05-12
Lifeform: perennial herb
Blooming Period: (Mar)Apr-Aug
Elevation:
0 - 730 meters
0 - 2395 feet
General Habitat:
  • Broadleafed upland forest
  • Coastal prairie
  • Coastal scrub
  • North Coast coniferous forest
  • Riparian woodland
General Micro Habitat:
Micro Habitat:
  • Disturbed areas (often)
Notes:
SCL Co. (427A) occurrence based on old specimen, needs confirmation. Threatened by logging and associated road usage, non-native plants, competition, low reproduction, road maintenance, and development. Endangered in OR. See University of Washington Publications in Biology 18:1-96 (1957) for taxonomic treatment.
Threats:
Taxonomy:
Other:
Total Occurrences: 136
Element Occurrence Ranks:
A B C D X U
4 15 41 43 2 31
Occurrence Status:
Historical >20 Years 128
Recent <=20 Years 8
Presence:
Presumed Extant 134
Possibly Extirpated 2
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR)*
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Mendocino (MEN), Monterey (MNT), Santa Clara (SCL), Santa Cruz (SCR), Sonoma (SON)
Quads: Name (Quad Code)
Ah Pah Ridge (4112348), Albion (3912327), Arcata North (4012481), Arcata South (4012471), Bear Harbor (3912388), Big Sur (3612137), Blue Lake (4012388), Bridgeville (4012347), Calaveras Reservoir (3712147), Cape Mendocino (4012444), Childs Hill (4112461), Cold Spring (3912315), Comptche (3912335), Crescent City (4112472), Dutchmans Knoll (3912356), Elk (3912326), Eureka (4012472), Eureka Hill (3812385), Fern Canyon (4112441), Ferndale (4012453), Fields Landing (4012462), Fort Bragg (3912347), Gualala (3812375), Hales Grove (3912377), High Divide (4112481), Hydesville (4012451), Iaqua Buttes (4012368), Inglenook (3912357), Korbel (4012378), Laurel (3712118), Lord-ellis Summit (4012387), Mallo Pass Creek (3912316), Maple Creek (4012377), Mathison Peak (3912336), McWhinney Creek (4012461), Mendocino (3912337), Monterey (3612158), Mt. Carmel (3612147), Myers Flat (4012337), Navarro (3912325), Noyo Hill (3912346), Owl Creek (4012358), Partington Ridge (3612126), Petrolia (4012433), Point Arena (3812386), Point Sur (3612138), Redcrest (4012348), Requa (4112451), Santa Cruz (3612281), Scotia (4012441), Shubrick Peak (4012422), Sister Rocks (4112462), Soberanes Point (3612148), Soquel (3612188), Stewarts Point (3812364), Taylor Peak (4012442), Weott (4012338), Westport (3912367)
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