Stellenbosch University Botanical Garden, South Africa

Common name: Bulblet bladder fern, Bulblet fragile fern

Family: Cystopteridaceae

Distribution: United States and Canada

IUCN Red list: Not evaluated

Comments: It commonly festoons limestone cave openings. While most commonly found on vertical rock faces, it also grows in rocky scree. The easiest Cystopteris to recognize, it produces bulblets on the underside of its fronds.