Species Details

Micranthes marshallii

Marshall's saxifrage

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Photo by 2017 Barrett Jeffery  max-height:128px; max-width:145px;
2017 Barrett Jeffery
Photo by © 2017 Barrett Jeffery  max-height:128px; max-width:145px;
© 2017 Barrett Jeffery
Photo by © 2017 Barrett Jeffery  max-height:128px; max-width:145px;
© 2017 Barrett Jeffery
Scientific Name:
Micranthes marshallii (Greene) Small
Common Name:
Marshall's saxifrage
Family: Saxifragaceae
Element Code: PDSAX0U0X0
USDA Plants Symbol:
Synonyms/Other Names:
Lifeform: perennial rhizomatous herb
Blooming Period: Mar-Aug
Elevation:
90 - 2130 meters
295 - 6990 feet
General Habitat:
  • Riparian forest
General Micro Habitat: rocky streambanks
Micro Habitat:
  • Rocky
  • Streambanks
Notes:
Possibly threatened by fire suppression. Previously identified as Saxifraga rufidula, which does not occur in California. See Saxifraga marshallii in TJM (1993). See Pittonia 1(9):159-160 (1888) for original description and North American Flora 22(2):145 (1905) for taxonomic treatment.
Threats:
Taxonomy:
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), Idaho (ID)?, Montana (MT)?, Oregon (OR), Washington (WA)?
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Mendocino (MEN), Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
English Peak (4112342), French Camp Ridge (4112327), Gasquet (4112378), Hennessy Peak (4012375), Hiouchi (4112471), Hurdygurdy Butte (4112377), Leggett (3912376), Salyer (4012385), Shelly Creek Ridge (4112387), Trinity Mtn. (4112314), Ukonom Lake (4112353), Willow Creek (4012386)
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