Botrychium crenulatum W.H. Wagner
Annotated by Ed Alverson, 20 Feb 2008. Sources: FNA.

Washington: Okanogan County: Wenatchee National Forest. East Fork Buttermilk Creek, Shady Nook Basin.
700282E, 5355929N; T33N R20E S26 SESE
Datum: NAD 27. Uncertainty: 805 meters. Coordinate Source: TRS2LL.
Fenced enclosure around old beaver ponds. Old beaver ponds with dense Cornus stolonifera dominant along perennial stream. Shady moist soil. Associated species; Cornus stolonifera, Equisetum arvense, Ribes hudsonianum, Fragaria virginianum, Galium sp., Dodecatheon dentatum, Circea alpina, Botrychium virginianum. Population information; 58 plants counted in 20 by 20 foot area. Spores dispersing. Plants growing on raised hummocks of dogwood roots where it hasn't been trampled by cattle. Sporophore long stalked; tropophore short stalked. Bottom pinnae perpendicular spreading, 150 degree span. Two top pinnae pair ascending, span less, but more than 100 degrees. Bright yellow-green, lax. Pinnae well spaced, finely toothed margins, veins show. Not seeing a single individual with sporangia on pinnae. Phenology: Spores.

Linda Knight B80906-02, Aug 9, 2006
WTU, Accession: 364733, Barcode: WTU-V-8705