Woodsia ilvensis
| Oblong woodsia | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Polypodiales |
| Suborder: | Aspleniineae |
| Family: | Woodsiaceae |
| Genus: | Woodsia |
| Species: | W. ilvensis |
| Binomial name | |
| Woodsia ilvensis | |
| Synonyms | |
|
Acrostichum ilvense L. (basionym) | |
Woodsia ilvensis, commonly known as oblong woodsia, is a fern found in North America and northern Eurasia. Also known as rusty woodsia or rusty cliff fern, it is typically found on sunny, exposed cliffs and rocky slopes and on thin, dry, acidic soils.