CNPS Inventory Plant Detail

Iva hayesiana

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

Biology
Lifeform: perennial herb Blooming Period: April - October Habitat: • Marshes and swamps • Playas

Rarity Status
Rare Plant Rank: 2.2 Rare, threatened, or endangered in California, but more common elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2.2? S2: Imperiled. .2: Threatened. Global Rank: G3? G3: Vulnerable.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 58
Element Occurrence Ranks:

A B C D X U

0 4 2 1 0 51

Population Status:

Historic >20 yrs	Recent <=20 yrs
45	13

Presence:

Present Extant	Possibly Extirpated	Extirpated
58	0	0

Notes
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: 2010-03-15

Location

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, Imperial Beach (011D) 32117E1, Poway (022A) 32117H1, Del Mar (022B) 32117H2, 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
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Wildlife: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society. Sacramento, CA. Accessed on .

-117.0,32.75