Taxon Details

Tortula californica

California screw moss

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Taxon Summary:

Tortula californica, commonly known as California screw moss, is a moss in the Pottiaceae that is found only in California. It occurs within Chenopod scrub, and Valley and foothill grassland, growing at elevations from 10 to 1460 meters. Tortula californica is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Lifeform: moss
Blooming Period:
JFMAMJJASOND
Elevation:
10 - 1460 meters
35 - 4790 feet
General Habitats:
  • Chenopod scrub
  • Valley and foothill grassland
Microhabitat Details: soil
Microhabitat:
  • Sandy
Notes:
Need quad for Santa Rosa Island occurrence. See The Bryologist 48:90-92 (1945) for original description.
Threats:
Taxonomy:
Total Occurrences: 15
Element Occurrence Ranks:
A B C D X U
0 2 0 0 0 13
Occurrence Status:
Historical >20 Years 9
Recent <=20 Years 6
Presence:
Presumed Extant 15
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Kern (KRN), Los Angeles (LAX), Modoc (MOD), Monterey (MNT), Riverside (RIV), San Diego (SDG), Santa Barbara (SBA), Ventura (VEN)
Quads: Name (Quad Code)
Fortynine Mtn. (4111958), Alberhill (3311764), Imperial Beach (3211751), Lakeview (3311771), Leonards Hot Springs (4112051), Oil Center (3511848), Point Dume (3411817), Santa Catalina East (3311833), Santa Catalina North (3311844), Santa Rosa Island North (3312081), Sitton Peak (3311754), Soberanes Point (3612148), Temecula (3311742), Triunfo Pass (3411818)
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
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