Taxon Report

Discelium nudum (Dicks.) Brid.

naked flag moss

Print Report



Species Description:
Discelium nudum, commonly known as naked flag moss, is a ephemeral moss in the Disceliaceae that is found in California and elsewhere. It occurs within Coastal bluff scrub (clay banks, and soil), growing at elevations from 10 to 50 meters. Discelium nudum is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

  Classification

Scientific Name:
Discelium nudum (Dicks.) Brid.
Common Name:
naked flag moss
Family: Disceliaceae
Element Code: NBMUS2E010
USDA Plants Symbol: DINU5
Synonyms/Other Names:

Occurrence Data from the CNDDB

Total Occurrences: 2
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 2
California Endemic:  False
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM)
Quads: Name (Quad Code)
Requa (4112451), Trinidad (4112412)

Notes

Very rare throughout its range in the Northern Hemisphere. See Pl. Crypt. Brit. Fasc. 4:7-10 (1801) for original description, and Bryol. Univ. 1:366 (1826) for revised nomenclature.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 11 January 2025].