Species Details

Microseris paludosa

marsh microseris

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Species Description:

Microseris paludosa, commonly known as marsh microseris, is a perennial herb in the Asteraceae that is found only in California. It occurs within Cismontane woodland, Closed-cone coniferous forest, Coastal scrub, and Valley and foothill grassland, growing at elevations from 5 to 355 meters. Microseris paludosa is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Microseris paludosa (Greene) J.T. Howell
Common Name: marsh microseris
Family:	Asteraceae
Element Code:	PDAST6E0D0
USDA Plants Symbol:	MIPA
Synonyms/Other Names:
Name Status:	JEP, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	BLM_S; SB_SBBG; SB_UCSC
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Apr-Jun(Jul)

Elevation:
5 - 355 meters
15 - 1165 feet

General Habitats:

Closed-cone coniferous forest
Cismontane woodland
Coastal scrub
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Notes

Notes: Need quads for MEN Co. Similar to M. laciniata spp. leptosepala. See Bulletin of the California Academy of Sciences 2(5):52 (1886) for original description, and Leaflets of Western Botany 5:108 (1948) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	3
	Total EOs	% of EOs
EOs with Threat Listed:	8	21 %
Grazing	6	15%
Non-native plant impacts	1	2%
Development	1	2%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					38
A	B	C	D	X	U
1	7	2	0	3	25

Occurrence Status:
Historical >20 Years	29
Recent <=20 Years	9

Presence:
Presumed Extant	35
Possibly Extirpated	1
Presumed Extirpated	2

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Marin (MRN), Mendocino (MEN), Monterey (MNT), San Francisco (SFO)*, San Luis Obispo (SLO), San Mateo (SMT)*, Santa Cruz (SCR), Solano (SOL), Sonoma (SON)

Quads: Name (Quad Code)
Ano Nuevo (3712213), Bolinas (3712286), Cape San Martin (3512184), Cotati (3812236), Davenport (3712212), Denverton (3812128), Drakes Bay (3812218), Felton (3712211), Healdsburg (3812257), Inverness (3812217), Marina (3612167), Mark West Springs (3812256), Monterey (3612158), Piedras Blancas (3512163), Pigeon Point (3712224)*, Point Arena (3812386), Point Reyes NE (3812227), Salinas (3612166), San Francisco North (3712274)*, San Gregorio (3712234)*, San Rafael (3712285), Seaside (3612157), Sebastopol (3812247), Tomales (3812228), Two Rock (3812237), Valley Ford (3812238)

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