upside down fern
Arachniodes standishii (T.Moore) Ohwi

Arachniodes standishii is a fern species in the Dryopteridaceae family, native to Japan and Korea. It is commonly known as upside down fern. The species was first described in 1962.
Description
Arachniodes standishii belongs to the genus Arachniodes and is part of the Dryopteridaceae family, a group of ferns commonly known as the wood fern family. It is distributed across Japan and Korea. The species is known by the common name 'upside down fern' in English. The name was first published in 1962, based on earlier work by T.Moore and later revised by Ohwi.
Other common names
upside down fern
Distribution
Japan · Korea
Synonyms
Aspidium laserpitiifoliumDryopteris standishiiPolystichum concavumPolystichum laserpitiifoliumPolystichum standishiiPolystichopsis standishiiLastrea standishiiDryopteris staudishiiByrsopteris standishiiDryopteris laserpitiifoliaPolystichum staudishiiRumohra standishiiArachniodes standishii f. laserpitiifoliaPolystichum concavum


