| Asplenium rhizophyllum | |
|---|---|
| |
| Asplenium rhizophyllum on rocks in the Red River Gorge, Daniel Boone National Forest, Kentucky, US | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Polypodiales |
| Suborder: | Aspleniineae |
| Family: | Aspleniaceae |
| Genus: | Asplenium |
| Species: | A. rhizophyllum
|
| Binomial name | |
| Asplenium rhizophyllum | |
| Synonyms | |
|
Antigramma rhizophylla (L.) J.Sm. | |
Asplenium rhizophyllum, the (American) walking fern, is a frequently-occurring fern native to North America. It is a close relative of Asplenium ruprechtii[2] (syn: Camptosorus sibiricus) which is found in East Asia and also goes by the common name of "walking fern".[3]