Species Details

Silene bolanderi

Bolander's catchfly

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Classification

Scientific Name: Silene bolanderi A. Gray
Common Name: Bolander's catchfly
Family:	Caryophyllaceae
Element Code:	PDCAR0U2L0
USDA Plants Symbol:
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	BLM_S
CRPR Changes: added to 1B.2 on 2021-07-30
Add Date:	2021-07-30
Date Edited:	2024-11-05

Ecology and Life History

Lifeform: perennial herb

Blooming Period: May-Jun

Elevation:
420 - 1150 meters
1380 - 3775 feet

General Habitats:

Chaparral (edges)
Cismontane woodland
Lower montane coniferous forest
Meadows and seeps
North Coast coniferous forest

Microhabitat Details: Usually grassy openings, sometimes dry rocky slopes, canyons, or roadsides

Microhabitat:

Openings (usually)
Roadsides (sometimes)
Rocky (sometimes)
Serpentine (sometimes)

Notes

Notes:
Threats: Potentially threatened by agricultural conversion, road construction and maintenance, grazing and trampling by livestock, and severe wildfires.
Taxonomy: Similar to S. hookeri, S. nelsonii, and S. salmonacea; differentiated by its funnelform corolla (salverform in S. hookeri), usually pink petals with linear corona appendages >1 mm long (white petals with appendages lacking or <1 mm long in S. nelsonii), glabrous petal base margin (sparsely to densely ciliate in S. nelsonii), and radial androecium symmetry (bilateral in S. hookeri).

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	%
No threats

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					30
A	B	C	D	X	U
0	0	0	0	0	30

Occurrence Status:
Historical >20 Years	12
Recent <=20 Years	18

Presence:
Presumed Extant	30
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Humboldt (HUM), Lake (LAK), Mendocino (MEN), Trinity (TRI)

Quads: Name (Quad Code)
Black Lassic (4012335), Blake Mountain (4012355), Cahto Peak (3912365), Dinsmore (4012345), Fort Seward (4012326), Foster Mtn. (3912342), Iron Peak (3912374), Jamison Ridge (3912362), Larabee Valley (4012346), Laughlin Range (3912333), Laytonville (3912364), Lincoln Ridge (3912366), Longvale (3912354), Potter Valley (3912331), Purdys Gardens (3912311), Redwood Valley (3912332), Ruth Reservoir (4012334), Showers Mtn. (4012356), Sportshaven (4012344), Willits (3912343), 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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Selected References

CNPS Status Review:	Proposed Addition to California Rare Plant Rank 1B.2, G2 / S2 (2021)
Original Description:	Proceedings of the American Academy of Arts and Sciences 7: 327–401 (1867)
Taxonomic Treatment:	Madroño 66(4): 176-193 (2019)
Other:	USFS Potential Species of Conservation Concern Profile