1. A common rock-inhabiting fern of northern temperate regions having rusty-brown stipes and lanceolate pinnate fronds
   - fragrant woodsia, oblong woodsia, Woodsia ilvensis

Type of: woodsia

• genus Psilophyton
• genus Psilotum
• genus Psithyrus
• genus Psittacosaurus
• genus Psittacula
• genus Psittacus
• genus Psophia
• genus Psophocarpus
• genus Psoralea
• genus Psychopsis
• genus Psychotria
• genus Pteretis
• genus Pteridium
• genus Pteris
• genus Pternohyla
• genus Pterocarpus
• genus Pterocarya
• genus Pterocles
• genus Pterocnemia
• genus Pterodactylus
• genus Pterois
• genus Pteropogon
• genus Pteropus
• genus Pterospermum
• genus Pterostylis