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  9. ›Cystopteris fragilis
lowland brittle fern
Plate 1 of 4. (c) Tom Potterfield, some rights reserved (CC BY-NC-SA) · via iNaturalist

lowland brittle fern

Cystopteris protrusa

Cystopteris protrusa is a common fern of North America, commonly known as the lowland bladderfern, lowland brittle fern or lowland fragile fern.

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Cystopteris protrusa in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 82562.