Cystopteris fragilis, also known as a Common Fragile Fern ID: 3630 | This file appears in: MONTU Herbarium A sample of Cystopteris fragilis, also known as a Common Fragile Fern, from the MONTU database, collected by Susan J. Rolfsmeier at Dawson, Montana, in 2003. The identification label to find the sample within the herbarium system is Occurrence ID #: 2454946. | Source: Consortium of Pacific Northwest Herbaria, Cystopteris fragilis. Available at CPNWH Search Results (pnwherbaria.org) Download Original File SourceConsortium of Pacific Northwest Herbaria, Cystopteris fragilis. Available at CPNWH Search Results (pnwherbaria.org) "Cystopteris fragilis, also known as a Common Fragile Fern" appears in: MONTU Herbarium