Heuchera maxima
Common Name: island alumroot
Family: Saxifragaceae
Synonyms:
Element Code: PDSAX0E0M0
Full Name: Heuchera maxima Greene
USDA PLANTS Symbol: HEMA4

© 2000 John Game
Biology Glossary
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 25
  • Element Occurrence Ranks:
    A B C D X U
    3 5 2 0 0 15
  • Population Status:
    Historic
    >20 yrs
    Recent
    <=20 yrs
    16 9
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    25 0 0
Notes Glossary
  • 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.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 1974-01-01
  • Last Update: 2010-03-15
Location Glossary
  • Elevation: 10 - 500 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Anacarpa Island (ANA),  Santa Cruz Island (SCZ),  Santa Rosa Island (SRO)
  • Quads:   name (DWR code) USGS code
    Anacapa Island (ANAC) 33119H3,  Santa Cruz Island A (SCZA) 33119H7,  Santa Cruz Island B (SCZB) 33119H6,  Santa Cruz Island C (SCZC) 33119H5,  Santa Cruz Island D (SCZD) 33119H4,  Santa Rosa Island East (SROE) 33119H8,  Santa Rosa Island North (SRON) 33120H1
  • Notes:
      Definitions of codes preceding a county and/or quad:
      * Presumed extirpated
      ? Uncertain about distribution or identity
      ?* Uncertain about distribution, but presumed extirpated if once present
      (?) Occurrence confirmed, but possibly extirpated
      Species may be present in other areas where conditions are favorable.
Presumed Extant Presumed Extirpated or Unknown 904
Links to Leading Resources of Taxon Information
Suggested Citation
CNPS, Rare Plant Program. . Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Website http://www.rareplants.cnps.org [accessed ].
-119.34,33.98

CA
33119H3=Anacapa Island (ANAC) 33119H3;33119H7=Santa Cruz Island A (SCZA) 33119H7;33119H6=Santa Cruz Island B (SCZB) 33119H6;33119H5=Santa Cruz Island C (SCZC) 33119H5;33119H4=Santa Cruz Island D (SCZD) 33119H4;33119H8=Santa Rosa Island East (SROE) 33119H8;33120H1=Santa Rosa Island North (SRON) 33120H1