Taxon Details

Silene bolanderi

Bolander's catchfly

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Photo of Silene bolanderi
© 2022 Kjirsten Wayman

Taxon Summary:

Silene bolanderi, commonly known as Bolander's catchfly, is a perennial herb in the Caryophyllaceae that is . It occurs within Chaparral (edges), Cismontane woodland, Lower montane coniferous forest, Meadows and seeps, and North Coast coniferous forest, growing at elevations from 420 to 1150 meters. Silene bolanderi is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

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
Lifeform: perennial herb
Blooming Period: May-Jun
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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:
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).
Total Occurrences: 30
Element Occurrence Ranks:
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
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.
Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel
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

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