Taxon Report

Pinguicula macroceras Link

horned butterwort

Print Report

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

Ecology and Life History


Lifeform:	perennial herb (carnivorous)
Blooming Period: Apr-Jun	Apr-Jun
Elevation:	40-1920 (130-6300)
General Habitats:	Bogs and fens
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G4
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	IUCN_LC; SB_CalBG/RSABG; SB_UCSC
CRPR Changes:	changed from 2.2 to 2B.2 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	26
Element Occurrence Ranks:
Excellent (A)	2
Good (B)	0
Fair (C)	1
Poor (D)	1
None (X)	0
Unknown (U)	22

Location


California Endemic: False
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)

Threat List Data from the CNDDB


Threat List Total:	5
EOs with Threat Listed:	Total EOs	% of EOs
	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%

Notes




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

Selected References

Pinguicula macroceras profile for potential Species of Conservation Concern evaluation (2018)

USFS Potential Species of Conservation Concern Profile

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].