Kingdom:Plantae
Phylum/Division:Filicophyta
Class:Pteridopsida
Order:Polypodiales
Family:Polypodiaceae
Genus:Platycerium
Species:P. ridleyi
Common Names:Ridley's Staghorn Fern
Status:Extinct
Description
Nest fronds slightly lobed, patterned by raised veins with sunken areas in between and the upper edge not erect but inflexed. Fertile fronds with two or more ascending and repeatedly forked sterile branches that end in rounded tips and a fertile lobe. The fertile lobe is spoon-shaped, strongly concave beneath, about 6 cm long plus a stalk that can be as long as 20 cm. Spores are packed tightly on the undersurface of the lobe.
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