Fort Lewis College Herbarium
Catalog #: FLD0013386
Occurrence ID (GUID): 11b3e278-9ebd-4ae1-89dc-06365e9b0178
Secondary Catalog #: 012855
Taxon: Botrychium pinnatum St. John
Family: Ophioglossaceae
Collector: Tim Reeves   10633f   
Date: 2005-08-04
Verbatim Date: 4 Aug 2005
Additional Collectors: Jim Welles & Les Lundquist
Locality: United States, Colorado, San Juan, San Juan NF. Molas Pass. 0.09 mi E of & below summit at parking lot on US 550.
37.736528  -107.696056
Verbatim Coordinates: TRS: T40N R8W sec 13 center NMCO; 37° 44' 11.5" N 107° 41' 45.8" W
Elevation: 3303 meters Verbatim Elevation: 10836 ft
Habitat: Subalpine meadow/slopes on 25 deg E-facing slope.
Substrate: Subalpine meadow duff; shallow soil mostly held by vegetation roots.
Associated Species: Scattered low willows and Ribes and Lonicera involucrata shrubs and scattered stands of spruce and aspen. Grasses and sedges, Thalictrum alpinum, Yarrow, Frageria, Dandelion, Agoseris, Potentilla argentea, Potentilla sp., yellow Castilleja, Epilobium.
Description: All Botrychiums judged in field to be deep, bright green above and more or less glaucous below. Spores present.
Notes: Botrychiums on more moist slope below rocky bench. 90% vegetation cover with a little bare soil and scattered porphyritic andesite (igneous) and mudstone rocks/gravel. Botrychiums mostly growing in dense vegetation in solid, root-massed sod which must be cut by a knife.
Specimen Images
Record ID: 11b3e278-9ebd-4ae1-89dc-06365e9b0178
For additional information on this specimen, please contact: Ross McCauley, Curator (
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