Taxon Report

Lycopodiella inundata (L.) Holub

inundated bog-clubmoss

Print Report

Taxon Summary

Lycopodiella inundata, commonly known as inundated bog-clubmoss, is a perennial rhizomatous herb in the Lycopodiaceae that is found in California and elsewhere. It occurs within Bogs and fens (coastal), Lower montane coniferous forest (mesic), and Marshes and swamps (lake margins), growing at elevations from 5 to 1000 meters. Lycopodiella inundata is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Lycopodiella inundata (L.) Holub
Common Name:	inundated bog-clubmoss
Family:	Lycopodiaceae
Element Code:	PPLYC03060
USDA Plants Symbol:	LYIN2
Synonyms/Other Names:	Lycopodium inundatum L.

Ecology and Life History


Lifeform:	perennial rhizomatous herb
Blooming Period: Jun-Sep	Jun-Sep
Elevation:	5-1000 (15-3280)
General Habitats:	Bogs and fens, Lower montane coniferous forest, Marshes and swamps
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G5
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	IUCN_LC
CRPR Changes:	changed from 2.2 to 2B.2 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	3
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	1
Poor (D)	0
None (X)	0
Unknown (U)	2

Location


California Endemic: False
California Counties and Islands: Name (Code)
Humboldt (HUM), Nevada (NEV)
Quads: Name (Quad Code)
North Bloomfield (3912038), Pike (3912048), Trinidad (4112412)

Threat List Data from the CNDDB


Threat List Total:	4
EOs with Threat Listed:	Total EOs	% of EOs
	2	67 %
Altered flood/tidal/hydrologic regime	1	33%
Dam/Inundation	1	33%
Mining	1	33%
Non-native plant impacts	1	33%

Notes



Potentially threatened by future mining. Endangered in ID and OR, and state-listed as Sensitive in WA. See Fremontia 12(2):11-14 (1984) for information on NEV Co. occurrence and 32(4):20-22 (2004) for natural history.
Threats:

Taxonomy:

Selected References

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 November 2025].