Taxon Report

Botrychium pinnatum St. John

northwestern moonwort

Print Report

©2020 Belinda Lo

Classification


Scientific Name:	Botrychium pinnatum St. John
Common Name:	northwestern moonwort
Family:	Ophioglossaceae
Element Code:	PPOPH010V0
USDA Plants Symbol:	BOPI
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial rhizomatous herb
Blooming Period: Jul-Oct	Jul-Oct
Elevation:	1770-2040 (5805-6695)
General Habitats:	Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest
Microhabitat:	Mesic
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.3
Global Rank:	G5
State Rank:	S1
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.3 to 2B.3 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	8
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	3
Fair (C)	1
Poor (D)	2
None (X)	0
Unknown (U)	2

Location


California Endemic: False
California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD), Plumas (PLU), Shasta (SHA), Siskiyou (SIS)
Quads: Name (Quad Code)
Ash Creek Butte (4112241), Davis Creek (4112063), Etna (4112248), Grays Peak (4012146), McCloud (4112232), Mt. Harkness (4012143), Swain Mountain (4012141)

Threat List Data from the CNDDB


Threat List Total:	8
EOs with Threat Listed:	Total EOs	% of EOs
	5	63 %
Grazing	3	37%
Logging	2	25%
Other	1	12%
Recreational use (non-ORV)	1	12%
Road/trail construction/maint.	1	12%
Development	1	12%
Erosion/runoff	1	12%
Foot traffic/trampling	1	12%

Notes



Threatened in ID, endangered in OR, and state-listed as Sensitive in WA. See American Fern Journal 19:11 (1929) for original description.
Threats:
Threatened by trampling and grazing.
Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 26 December 2024].