A fern-like encrustation of frost found on windows in cold weather.

A type of greenhouse or shadehouse for growing ferns.

plural of fern house

Any of the epiphytic ferns in the genus Platycerium, often cultivated for their distinctive foliage, shade tolerance, and ability to grow off of the ground.

Any fern in the genus Nephrolepis, typically with long, straight-sided fronds shaped like a two-edged sword, and widely grown as houseplants.

Any fern plant of the species Coniogramme pilosa

Lygodium microphyllum, an Old World tropical fern (also naturalized in Jamaica and Florida) that grows as a vine.

A fern of the species Parathelypteris noveboracensis (syn. Thelypteris noveboracensis), native to eastern North America.

Alsophila baileyana, a tree fern native to northeastern Queensland in Australia.

Dennstaedtia punctilobula, native to cool-temperate eastern North America. / Dryopteris aemula, native to western Europe and Macaronesia.