Nws yog ib tug Cov tsiaj qus fern ntawm Valencian flora, txawm hais tias nws tsis yog qhov tshwj xeeb ntawm no. Nws kuj muaj nyob rau hauv ntau ntawm cov teb chaws Europe.
Nws belongs rau tsev neeg Polypodiaceae, uas 80% ntawm cov ferns yog, uas tau muab faib ua Pteridaceae, Aspleniaceae, Polypodiaceae, thiab lwm yam. thiab koom nrog pawg ntawm pteridophytes, pteridophytes ( Pteridophyta), vascular cryptogams, los yog, feem ntau, ferns thiab hais txog