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Pumice Moonwort
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Botrychium pumicola
  

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About Pumice Moonwort (Botrychium pumicola) Pumice moonwort (Botrychium pumicola) is a rare fern of southern Oregon and the Modoc Plateau in northern California. It pertains to the adder's-tongue family (Ophioglossaceae) which may be closely related to the whisk ferns (Psilotaceae). These two families together, according to recent research, share a common ancestor which appears to have diverged early on from the rest of the fern lineage; this probably explains the distinctive morphologies of the members of these two families. There has been speculation that B. pumicola is merely a variety of B. simplex. The two species are indeed closely related, with B. montanum also somewhat closely related, but it has been determined that B. pumicola is in fact a separate species. The range of the plant is restricted to a few counties around Crater Lake in southern Oregon.
Plant Description
Plant Type
Fern

Native Status
Natural Setting
Elevation ?
9251' - 9251'

Annual Precip. ?
78.8" - 78.8"

Summer Precip. ?
3.42" - 3.42"

Coldest Month ?
21.6° F - 21.6° F

Hottest Month ?
41.6° F - 41.6° F

Humidity ?
1.79 vpd - 6.90 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available


Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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