Species Details

Heuchera maxima

island alumroot

  Download Report   Calflora     eFlora     CCH     CalPhotos
Photo by © 2014 Steve Matson  max-height:128px; max-width:145px;
© 2014 Steve Matson
Photo by © 2014 Steve Matson  max-height:128px; max-width:145px;
© 2014 Steve Matson
Photo by © 2014 Steve Matson  max-height:128px; max-width:145px;
© 2014 Steve Matson
Scientific Name:
Heuchera maxima Greene
Common Name:
island alumroot
Family: Saxifragaceae
Element Code: PDSAX0E0M0
USDA Plants Symbol: HEMA4
Synonyms/Other Names:
Lifeform: perennial rhizomatous herb
Blooming Period: Feb-May
Elevation:
10 - 500 meters
35 - 1640 feet
General Habitat:
  • Coastal bluff scrub
  • Chaparral
  • Cismontane woodland
  • Coastal scrub
General Micro Habitat:
Micro Habitat:
  • Rocky
Notes:
Surveys in 1994-1996 have located many new populations. Threatened by feral herbivores on SCZ and SRO islands, and potentially threatened by seabird rookery on ANA Isl.
Threats:
Taxonomy:
Other:
Total Occurrences: 25
Element Occurrence Ranks:
A B C D X U
3 5 2 0 0 15
Occurrence Status:
Historical >20 Years 24
Recent <=20 Years 1
Presence:
Presumed Extant 25
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Santa Barbara (SBA), Ventura (VEN)
Quads: Name (Quad Code)
Anacapa Island (3311983), Santa Cruz Island A (3311987), Santa Cruz Island B (3311986), Santa Cruz Island C (3311985), Santa Cruz Island D (3311984), Santa Rosa Island East (3311988), Santa Rosa Island North (3312081)
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