1. Small rock-inhabiting fern of northern temperate zone and Hawaii with pinnate fronds
   - Asplenium trichomanes

Type of: spleenwort

• Pteridium
• Pteridium aquilinum
• Pteridium esculentum
• pteridological
• pteridologist
• pteridology
• Pteridophyta
• pteridophyte
• pteridosperm
• Pteridospermae
• Pteridospermaphyta
• Pteridospermopsida
• Pteriidae
• pterion
• Pteris
• Pteris cretica
• Pteris multifida
• Pteris serrulata
• Pternohyla
• Pternohyla fodiens
• ptero-
• Pterocarpus
• Pterocarpus angolensis
• Pterocarpus indicus
• Pterocarpus macrocarpus