Taxon Details

Verbesina dissita

big-leaved crownbeard

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Taxon Summary:

Verbesina dissita, commonly known as big-leaved crownbeard, is a perennial herb in the Asteraceae that is found in California and elsewhere. It occurs within Chaparral (maritime), and Coastal scrub, growing at elevations from 45 to 205 meters. Verbesina dissita is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Verbesina dissita Gray
Common Name: big-leaved crownbeard
Family:	Asteraceae
Element Code:	PDAST9R050
USDA Plants Symbol:	VEDI
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	FT (1996-10-07)
State List:	CT (1990-01-01)
Global Rank:	G1G2
State Rank:	S1
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1984-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb

Blooming Period: (Mar)Apr-Jul

Elevation:
45 - 205 meters
150 - 675 feet

General Habitats:

Chaparral (maritime)
Coastal scrub

Microhabitat Details:

Microhabitat:

Notes

Notes: Known in CA only from near southern Laguna Beach. Threatened by erosion, non-native plants, urbanization, residential development, and fuelbreak clearing.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	7
	Total EOs	% of EOs
EOs with Threat Listed:	2	100 %
Non-native plant impacts	2	100%
Development	2	100%
Erosion/runoff	1	50%
Foot traffic/trampling	1	50%
Other	1	50%
Road/trail construction/maint.	1	50%
Wood cutting or brush clearing	1	50%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					2
A	B	C	D	X	U
0	2	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	2

Presence:
Presumed Extant	2
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Baja California (BA), California (CA)

California Counties and Islands: Name (Code)
Orange (ORA)

Quads: Name (Quad Code)
Laguna Beach (3311757), San Juan Capistrano (3311756)

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.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory