Dryopteris carthusiana (Vill.) H.P. Fuchs × Dryopteris cristata (L.) A. Gray
Annotated by C. R. Bjork.

Idaho: Latah County: Margin of meadows of the Potlatch River, where it meets montane forest.
T41N R01 S7 NW 1/4
Growing in a small sphagnum bog. Associated species: Calamagrostis canadensis, Carex, Alnus, . Both Dryopteris cristata and Dryopteris carthusiana present in a mixed population with the hybrid. Pinnae held at an oblique angle to the stem. Fertile leaves both erect and declined. Locally common.

Curtis R. Bjork 6892, Sep 30, 2002
ID, Accession: 122209

Dryopteris carthusiana (Vill.) H.P. Fuchs × Dryopteris cristata (L.) A. Gray
Annotated by C. R. Bjork.

Idaho: Latah County: Margin of meadows of the Potlatch River, where it meets montane forest.
T41N R01 S7 NW 1/4
Growing in a small sphagnum bog. Associated species: Calamagrostis canadensis, Carex, Alnus. Perhaps this population was the source of the record in Idaho of D. intermedia, since this plant resembles that species.

Curtis R. Bjork 4872, Nov 19, 1999
ID, Accession: 122165, Barcode: id002244