Lora Conrad profiles a delicate native plant that is often overlooked.
Cystopteris protrusa (formerly C. fragilis var. protrusa) is variously called Southern Fragile Fern, Creeping Fragile Fern, Lowland Brittle Fern, and Southern Bladder Fern, as well as just Fragile Fern which we will use here. It is a relatively easy fern to identify as it grows in early spring and grows in soil, not on rock ledges.
Once you have seen the structure of the frond, you are likely to recognize it in the future. It is found in oak and hickory woodlands, both high quality natural habitat and significantly degraded woodlands. It is widely distributed in Iowa as documented by this BONAP (Biota of North America Program) map dated 2014.
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