1. A sporangium formed from a single epidermal cell; characteristic of the Filicales or of almost all modern ferns

Type of: sporangium, spore case, spore sac

• argol
• argon
• argonaut
• Argonauta
• Argonauta argo
• Argonautidae
• Argonne
• Argonne Forest
• argonon
• Argos
• argosy
• argot
• arguable
• arguably
• argue
• arguer
• argufy
• arguing
• argument
• argumentation
• argumentative
• argumentatively
• Argun
• Argun River
• argus