CNPS

CNPS Rare Plant Inventory

Species Details

Botrychium pinnatum

northwestern moonwort

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Photo of Botrychium pinnatum
©2020 Belinda Lo 		Photo of Botrychium pinnatum
©1997 John Game 		Photo of Botrychium pinnatum
© 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:

Conservation Status

CA Rare Plant Rank: 2B.3
Fed List: None
State List: None
Global Rank: G5
State Rank:
 S2
Other Status: USFS_S
CRPR Changes:
changed from 2.3 to 2B.3 on 2013-06-12
Add Date: 1994-01-01
Date Edited: 2022-08-02

Ecology and Life History

Lifeform: perennial rhizomatous herb
Blooming Period: Jul-Oct
Elevation:
1770 - 2040 meters
5805 - 6695 feet
General Habitat:
  • Lower montane coniferous forest
  • Meadows and seeps
  • Upper montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Mesic

Notes

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

Occurrence Data from the CNDDB

Total Occurrences: 8
Element Occurrence Ranks:
A B C D X U
0 3 1 2 0 2
Occurrence Status:
Historical >20 Years 2
Recent <=20 Years 6
Presence:
Presumed Extant 8
Possibly Extirpated 0
Presumed Extirpated 0

Location

California Endemic:
California Island:
States: Name (Code)
Alaska (AK), Arizona (AZ), California (CA), Colorado (CO), Idaho (ID), Montana (MT), Nevada (NV), Oregon (OR), Utah (UT), Washington (WA), Wyoming (WY)
California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD), Plumas (PLU), Shasta (SHA), Siskiyou (SIS), Tuolumne (TUO)
Quads: Name (Quad Code)
Ash Creek Butte (4112241), Davis Creek (4112063), Etna (4112248), Grays Peak (4012146), La Porte (3912068), McCloud (4112232), Mt. Harkness (4012143), Swain Mountain (4012141), Tower Peak (3811925)
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
Print this Map
Counties   Quads

Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2022. Rare Plant Inventory (online edition, v9-01 1.5). Website https://www.rareplants.cnps.org [accessed 3 October 2022].