Species Details

Silene nelsonii

Nelson's stringflower

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Photo of Silene nelsonii
©2019 Steve Matson
Photo of Silene nelsonii
©2019 Steve Matson
Photo of Silene nelsonii
©2020 Sierra Pacific Industries
Scientific Name:
Silene nelsonii M.R.Mesler, M.S.Mayer, & S.K.Carothers
Common Name:
Nelson's stringflower
Family: Caryophyllaceae
Element Code: PDCAR0U2J0
USDA Plants Symbol:
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: Apr-Jun
Elevation:
290 - 1430 meters
950 - 4690 feet
General Habitat:
  • Cismontane woodland
  • Lower montane coniferous forest
General Micro Habitat: Ephemeral drainages, grassy areas
Micro Habitat:
  • Openings
  • Roadsides
  • Rocky
Notes:


Threats:

Potentially threatened by road construction and maintenance, trampling, forestry practices, and severe wildfires.

Taxonomy:

Similar to S. bolanderiS. hookeri, and S. salmonacea; differentiated by its purely white flowers, dense pubescence at base of petals (often obscuring filaments), deeply lobed petals (inner lobe 8-32 mm long, outer lobe 6-26 mm long), and absent or inconspicuous appendages (generally less than 1 mm).

Other:
Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Trinity (TRI)
Quads: Name (Quad Code)
Halfway Ridge (4012353), Hayfork Summit (4012351), Hyampom Mtn. (4012364), Naufus Creek (4012343), Weaverville (4012268), Wildwood (4012341)
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.

Map

Presumed Extant
Counties   Quads