Iva hayesiana
Common Name: San Diego marsh-elder
Family: Asteraceae
Synonyms:
Element Code: PDAST580A0
Full Name: Iva hayesiana Gray
USDA PLANTS Symbol: IVHA

© 2001 Salvatore Zimmitti
Biology Glossary
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 95
  • Element Occurrence Ranks:
    A B C D X U
    0 10 4 2 1 78
  • Population Status:
    Historic
    >20 yrs
    Recent
    <=20 yrs
    30 65
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    94 1 0
Notes Glossary
  • Threatened by waterway channelization, coastal development, vehicles, and non-native plants.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 1980-01-01
  • Last Update: 2013-06-12
Location Glossary
  • Elevation: 10 - 500 meters
  • California Endemic: no
  • States: California, Baja California
  • California Counties and Islands:   name (code)
    San Diego (SDG)
  • Quads:   name (DWR code) USGS code
    Dulzura (010A) 32116F7,  Jamul Mountains (010B) 32116F8,  Otay Mesa (010C) 32116E8,  Otay Mountain (010D) 32116E7,  National City (011A) 32117F1,  Point Loma (011B) 32117F2,  Imperial Beach (011D) 32117E1,  El Cajon Mtn. (021A) 32116H7,  Poway (022A) 32117H1,  Del Mar (022B) 32117H2,  La Jolla (022C) 32117G2,  La Mesa (022D) 32117G1,  Rancho Santa Fe (035C) 33117A2,  Escondido (035D) 33117A1,  Encinitas (036D) 33117A3
  • 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 634
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 ].
-116.75,32.625

CA,BA
32116F7=Dulzura (010A) 32116F7;32116F8=Jamul Mountains (010B) 32116F8;32116E8=Otay Mesa (010C) 32116E8;32116E7=Otay Mountain (010D) 32116E7;32117F1=National City (011A) 32117F1;32117F2=Point Loma (011B) 32117F2;32117E1=Imperial Beach (011D) 32117E1;32116H7=El Cajon Mtn. (021A) 32116H7;32117H1=Poway (022A) 32117H1;32117H2=Del Mar (022B) 32117H2;32117G2=La Jolla (022C) 32117G2;32117G1=La Mesa (022D) 32117G1;33117A2=Rancho Santa Fe (035C) 33117A2;33117A1=Escondido (035D) 33117A1;33117A3=Encinitas (036D) 33117A3