Botrychium pinnatum - St. John
Northern Moonwort
Other English Common Names: Northwestern Moonwort
Synonym(s): Botrychium boreale ssp. obtusilobum (Rupr.) Clausen
Taxonomic Status: Accepted
Related ITIS Name(s): Botrychium pinnatum St. John (TSN 501027)
French Common Names: botryche lobes obtus
Unique Identifier: ELEMENT_GLOBAL.2.146224
Element Code: PPOPH010V0
Informal Taxonomy: Plants, Vascular - Ferns and relatives
 
Kingdom Phylum Class Order Family Genus
Plantae Filicinophyta Ophioglossopsida Ophioglossales Ophioglossaceae Botrychium
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Concept Reference
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Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Botrychium pinnatum
Conservation Status
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NatureServe Status

Global Status: G5
Global Status Last Reviewed: 01Sep2016
Global Status Last Changed: 01Sep2016
Ranking Methodology Used: Ranked by inspection
Rounded Global Status: G5 - Secure
Reasons: Botrychium pinnatum is known from Alaska and the Yukon, south to California, Arizona, and Colorado. Although its range is extensive, it is rare and local over almost its entire range; in Idaho, it is known from only six occurrences and in California, only two occurrences.
Nation: United States
National Status: NNR
Nation: Canada
National Status: N5 (01Sep2016)

U.S. & Canada State/Province Status
United States Alaska (SNR), Arizona (S1), California (S2), Colorado (S2), Idaho (S2), Montana (S3), Nevada (SNR), Oregon (S3), Utah (S1), Washington (S3), Wyoming (SNR)
Canada Alberta (S3), British Columbia (S3S4), Newfoundland Island (SNR), Northwest Territories (S1), Quebec (S1), Saskatchewan (S3), Yukon Territory (S2S3)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Known from Alaska and the Yukon, south into the mountains of northeastern Oregon, northern Idaho (Idaho Native Plant Society, 1993), northern Nevada (Kartesz, 1988) and Montana, California (Skinner, 1997), and Colorado (Archuleta, Conejos, Hinsdale, Mineral, La Plata, Montezuma, San Juan, San Miguel, and Summit counties).
.

Number of Occurrences:  
Number of Occurrences Comments: In Idaho, known from six occurrences (Idaho Native Plant Society, 1993). In California, known from two occurrences (Skinner, 1997).

There are 10 principal occurrences documented in the Colorado Natural Heritage Program data system. All of the 10 occurrences have been observed in the last 20 years.

Population Size Comments: Rare and local over its range (Idaho Native Plant Society, 1993). Infrequent throughout British Columbia (Douglas, 1989).

Overall Threat Impact Comments: Threats to Botrychium pinnatum are not well understood. Because this species occurs in both naturally and artificially disturbed sites, it may be displaced by natural plant succession as well as the same human activities (recreation, road and trail maintenance activities, selection of grazing areas) that have also apparently resulted in suitable habitat. Agriculture and forestry activities may also threaten this species in some areas. Strategies for the protection of this species include determining its specific habitat requirements and its sensitivity to disturbance. Long term monitoring would help to determine its life history characteristics, population stability, and dynamics over time.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Known from Alaska and the Yukon, south into the mountains of northeastern Oregon, northern Idaho (Idaho Native Plant Society, 1993), northern Nevada (Kartesz, 1988) and Montana, California (Skinner, 1997), and Colorado (Archuleta, Conejos, Hinsdale, Mineral, La Plata, Montezuma, San Juan, San Miguel, and Summit counties).
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U.S. States and Canadian Provinces
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States AK, AZ, CA, CO, ID, MT, NV, OR, UT, WA, WY
Canada AB, BC, NF, NT, QC, SK, YT

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
AZ Apache (04001)*, Coconino (04005)
CA Lassen (06035), Modoc (06049), Plumas (06063), Shasta (06089), Siskiyou (06093)
CO Archuleta (08007), Conejos (08021), Hinsdale (08053), La Plata (08067), Mineral (08079), Pitkin (08097), San Juan (08111), San Miguel (08113), Summit (08117)
ID Bonner (16017), Boundary (16021), Idaho (16049), Kootenai (16055), Shoshone (16079)
OR Baker (41001), Grant (41023), Harney (41025), Umatilla (41059), Union (41061), Wallowa (41063), Wasco (41065), Wheeler (41069)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
13 Rio Grande headwaters (13010001)+, Conejos (13010005)+
14 Blue (14010002)+, Roaring Fork (14010004)+, Upper Gunnison (14020002)+, San Miguel (14030003)+, Upper San Juan (14080101)+, Animas (14080104)+
15 Grand Canyon (15010002)+, Little Colorado headwaters (15020001)+*, Canyon Diablo (15020015)+*, Lower Little Colorado (15020016)+*
17 Lower Kootenai (17010104)+, Pend Oreille Lake (17010214)+, Priest (17010215)+, Upper Coeur D'alene (17010301)+, Upper Spokane (17010305)+, Powder (17050203)+, Imnaha (17060102)+, Upper Grande Ronde (17060104)+, Wallowa (17060105)+, Lower Grande Ronde (17060106)+, Lower Selway (17060302)+, South Fork Clearwater (17060305)+, Walla Walla (17070102)+, Umatilla (17070103)+, Upper John Day (17070201)+, North Fork John Day (17070202)+, Middle Fork John Day (17070203)+, Lower Deschutes (17070306)+, Silvies (17120002)+, Donner Und Blitzen (17120003)+, Alvord Lake (17120009)+
18 Scott (18010208)+*, Goose Lake (18020001)+, Mccloud (18020004)+, North Fork Feather (18020121)+, Battle Creek (18020153)+, Honey-Eagle Lakes (18080003)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: Botrychium pinnatum is similar to other Botrychium spp. in having two fronds, one sterile and the other bearing spores. Sterile fronds are bright shiny green, with numerous symmetrical lobes. Leaves appear in spring and throughout summer, and spores are produced in July. The aboveground parts may not appear every year, even though the root system is surviving underground

Habitat Comments: A variety of habitats including wet to moist grassy slopes, streambanks, roadsides and in mossy woods, generally in the mountains (Idaho Native Plant Society, 1993).
Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Edition Date: 20May1998
NatureServe Conservation Status Factors Author: GRIES, D

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
Help
  • Douglas, G.W., G.B. Straley, and D. Meidinger. 1989. The vascular plants of British Columbia. Part 1. Gymnosperms and Dicotyledons (Asteraceae through Cucurbitaceae). Crown Publications Incorporated. Victoria, British Columbia, Canada. 208 pp.

  • Farrar, D. R. and S. J. Popovich. 2012. Ophioglossaceae. Pages 24-35 Colorado Flora: Eastern Slope, fourth edition. W.A. Weber and R.C. Wittmann. University Press of Colorado, Boulder, CO.

  • Fertig, W. 1995. More new plant species for Wyoming. Castilleja 14:4-5.

  • Flora of North America Editorial Committee. 1993. Flora of North America North of Mexico. Vol. 2 Pteridophytes and Gymnosperms. Oxford Univ. Press, New York.

  • Idaho Native Plant Society. 1993. Federal candidate (C1 and C2) and listed rare plants of Idaho. unpaginated.

  • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

  • Skinner, M.W., and B.M. Pavlik, eds. 1997 (1994). Inventory of rare and endangered vascular plants of California. 1997 Electronic Inventory Update of 1994 5th edition, California Native Plant Society, Special Publication No. 1, Sacramento.

  • St. John, H. 1929. Notes on northwestern ferns. American Fern Journal 19:11-16.

  • Wagner, D.H. 1992. Guide to the species of Botrychium in Oregon. Unpublished report prepared by the University Herbarium, University of Oregon, Eugene, OR.

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