Species Details

Iva hayesiana

San Diego marsh-elder

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No Photo Available
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G3
State Rank:
S2
Other Status: SB_CalBG/RSABG
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
Add Date: 1980-01-01
Date Edited: 2022-12-06
Lifeform: perennial herb
Blooming Period: Apr-Oct
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Elevation:
0 - 500 meters
0 - 1640 feet
General Habitats:
  • Marshes and swamps
  • Playas
Microhabitat Details:
Microhabitat:
Notes:
Threats:
Threatened by waterway channelization, coastal development, vehicles, and non-native plants.
Taxonomy:
Threat List Total: 13
Total EOs % of EOs
EOs with Threat Listed: 62 48 %
THREAT LIST:
Development 42 32%
Non-native plant impacts 14 10%
Other 13 10%
ORV activity 5 3%
Road/trail construction/maint. 4 3%
Total Occurrences: 128
Element Occurrence Ranks:
A B C D X U
4 14 6 3 1 100
Occurrence Status:
Historical >20 Years 50
Recent <=20 Years 78
Presence:
Presumed Extant 127
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Baja California (BA), California (CA)
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Del Mar (3211782), Dulzura (3211667), El Cajon Mtn. (3211687), Encinitas (3311713), Escondido (3311711), Imperial Beach (3211751), Jamul Mountains (3211668), La Jolla (3211772), La Mesa (3211771), National City (3211761), Oceanside (3311724), Otay Mesa (3211658), Otay Mountain (3211657), Point Loma (3211762), Poway (3211781), Rancho Santa Fe (3311712), San Luis Rey (3311723)
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.
Presumed Extant
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