Species Details

Pinguicula macroceras

horned butterwort

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Classification

Scientific Name: Pinguicula macroceras Link
Common Name: horned butterwort
Family:	Lentibulariaceae
Element Code:	PDLNT01040
USDA Plants Symbol:	PIMA7
Synonyms/Other Names: Pinguicula vulgaris L. ssp. macroceras (Link) Calder & Roy L. Taylor

Conservation Status

CA Rare Plant Rank:	2B.2
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S2
Other Status:	IUCN_LC; SB_CalBG/RSABG; SB_UCSC
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-12-06

Ecology and Life History

Lifeform: perennial herb (carnivorous)

Blooming Period: Apr-Jun

Elevation:
40 - 1920 meters
130 - 6300 feet

General Habitats:

Bogs and fens (serpentinite)

Microhabitat Details:

Microhabitat:

Notes

Notes:
Threats: Threatened by horticultural collecting.
Taxonomy: Alternate name P. macroceras ssp. nortensis published in IPSG Newsletter 8:3 (1997).

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	5
	Total EOs	% of EOs
EOs with Threat Listed:	5	19 %
Erosion/runoff	1	3%
Foot traffic/trampling	1	3%
Mining	1	3%
Recreational use (non-ORV)	1	3%
Road/trail construction/maint.	1	3%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					26
A	B	C	D	X	U
2	0	1	1	0	22

Occurrence Status:
Historical >20 Years	23
Recent <=20 Years	3

Presence:
Presumed Extant	26
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Alaska (AK), California (CA), Idaho (ID), Montana (MT), Oregon (OR), Washington (WA)

California Counties and Islands: Name (Code)
Del Norte (DNT), Siskiyou (SIS)

Quads: Name (Quad Code)
Broken Rib Mtn. (4112386), Cant Hook Mtn. (4112368), Crescent City (4112472), Devils Punchbowl (4112376), Gasquet (4112378), High Divide (4112481), High Plateau Mtn. (4112388), Hiouchi (4112471), Hurdygurdy Butte (4112377), Polar Bear Mtn. (4112385), Preston Peak (4112375), Seven Lakes Basin (4112224), Smith River (4112482), Summit Valley (4112357)

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:	Pinguicula macroceras profile for potential Species of Conservation Concern evaluation (2018)
Other:	USFS Potential Species of Conservation Concern Profile

CNPS Rare Plant Inventory