Species Details

Hemizonia congesta ssp. calyculata

Mendocino tarplant

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Photo of Hemizonia congesta ssp. calyculata

Classification

Scientific Name: Hemizonia congesta DC. ssp. calyculata Babc. & Hall
Common Name: Mendocino tarplant
Family:	Asteraceae
Element Code:	PDAST4R063
USDA Plants Symbol:	HECOC5
Synonyms/Other Names: Hemizonia calyculata (Babc. & Hall) Keck

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G5T4
State Rank:	S4
Other Status:
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-03-01

Ecology and Life History

Lifeform: annual herb

Blooming Period: Jul-Nov

Elevation:
225 - 1400 meters
740 - 4595 feet

General Habitats:

Cismontane woodland
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Serpentine (sometimes)

Notes

Notes:
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

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

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

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Lake (LAK), Mendocino (MEN), Sutter (SUT), Tehama (TEH)

Quads: Name (Quad Code)
Bartlett Mtn. (3912227), Clearlake Highlands (3812286), Clearlake Oaks (3912216), Cow Mountain (3912321), Elk Mountain (3912238), Gerber (4012212), Greenough Ridge (3912334), Laughlin Range (3912333), Longvale (3912354), Newhouse Ridge (3912371), Orrs Springs (3912323), Sutter Buttes (3912127), Ukiah (3912322), Upper Lake (3912228), Willis Ridge (3912353), Willits (3912343)

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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Species Account:	Hemizonia congesta ssp. calyculata profile for potential Species of Conservation Concern evaluation (2022)
Other:	USFS Potential Species of Conservation Concern Profile

CNPS Rare Plant Inventory