Species Details

Erigeron maniopotamicus

Mad River fleabane daisy

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Classification

Scientific Name: Erigeron maniopotamicus G.L. Nesom & T.W. Nelson
Common Name: Mad River fleabane daisy
Family:	Asteraceae
Element Code:	PDASTE1050
USDA Plants Symbol:	ERMA19
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2?
State Rank:	S1S2
Other Status:	BLM_S; SB_UCSC; USFS_S
CRPR Changes: added to 1B on 2005-02-10
Add Date:	2005-01-01
Date Edited:	2024-11-05

Ecology and Life History

Lifeform: perennial herb

Blooming Period: May-Aug

Elevation:
1275 - 1500 meters
4185 - 4920 feet

General Habitats:

Lower montane coniferous forest
Meadows and seeps (openings, dry)

Microhabitat Details:

Microhabitat:

Disturbed areas
Openings
Roadsides
Rocky

Notes

Notes: Known from widely disjunct locations in east-central HUM Co. and adjacent TRI Co. Potentially threatened by road maintenance, road construction, grazing, and logging. Not in TJM (1993). See SIDA 21(2): 673 (2004) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	5
	Total EOs	% of EOs
EOs with Threat Listed:	9	90 %
Road/trail construction/maint.	6	60%
Logging	5	50%
Grazing	2	20%
ORV activity	1	10%
Other	1	10%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					10
A	B	C	D	X	U
0	3	1	0	0	6

Occurrence Status:
Historical >20 Years	3
Recent <=20 Years	7

Presence:
Presumed Extant	10
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Humboldt (HUM), Trinity (TRI)

Quads: Name (Quad Code)
Board Camp Mtn. (4012366), Dinsmore (4012345), Lake Mountain (4012314), Zenia (4012324)

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 Status Review:	CRPR List Addition on 2005-02-10
Other:	USFS Potential Species of Conservation Concern Profile

CNPS Rare Plant Inventory