Taxon Details

Botrychium tunux

moosewort

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Taxon Summary:

Botrychium tunux, commonly known as moosewort, is a perennial rhizomatous herb in the Ophioglossaceae that is found in California and elsewhere. It occurs within Alpine boulder and rock field, growing at elevations from 3050 to 3050 meters. Botrychium tunux is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Botrychium tunux Stensvold & Farrar
Common Name: moosewort
Family:	Ophioglossaceae
Element Code:	PPOPH01240
USDA Plants Symbol:	BOTU3
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.1
Fed List:	None
State List:	None
Global Rank:	G3G4
State Rank:	S1
Other Status:	USFS_S
CRPR Changes: added to 2.1 on 2012-03-05
Add Date:	2012-03-05
Date Edited:	2023-06-06

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Aug-Sep

Elevation:
3050 - 3050 meters
10005 - 10005 feet

General Habitats:

Alpine boulder and rock field

Microhabitat Details: calcareous

Microhabitat:

Notes

Notes: Discovered in CA in 2008 by Alison Colwell; known only from Mt. Hoffman in Yosemite NP. Similar to B. lunaria. Not in The Jepson Manual (1993). See American Fern Journal 92(2):150-160 (2002) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					1
A	B	C	D	X	U
0	0	0	0	0	1

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	1

Presence:
Presumed Extant	1
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Alaska (AK), California (CA), Colorado (CO), Montana (MT), Nevada (NV), New Mexico (NM)

California Counties and Islands: Name (Code)
Mariposa (MPA)

Quads: Name (Quad Code)
Tenaya Lake (3711974), Yosemite Falls (3711975)

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.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory