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Cyatheales
3-433.10.00444.40.00 CyathealesEnglish: Tree ferns.Botanyferns; treeferns.
Leaves: hairs on the under side of the petioles;
pneumathodes, discrete vent lines, or patches, present on the rachis, petiole and rhizome,
Sporangia: the ring is oblique and complete, not interrupted by the foot of the sporangium.FamiliesOsmundales
Osmundaceae: Royal Fern Family; 4 genera, Osmundastrum, Osmunda, Todea, Leptopteris.
Cyatheales
Thyrsopteridaceae Thyrsopteris.
Loxsomataceae: Loxsoma, Loxsomopsis.
Culcitaceae: Culcita.
Plagiogyriaceae: Plagiogyria.
Cibotiaceae: Cibotium.
Cyatheaceae: Alsophila, Cyathea, Gymnosphaera, Hymenophyllopsis, Sphaeropteris
Dicksoniaceae: Calochlaena, Dicksonia, Lophosoria.
Metaxyaceae: Metaxya.
Leaves: hairs on the under side of the petioles;
pneumathodes, discrete vent lines, or patches, present on the rachis, petiole and rhizome,
Sporangia: the ring is oblique and complete, not interrupted by the foot of the sporangium.FamiliesOsmundales
Osmundaceae: Royal Fern Family; 4 genera, Osmundastrum, Osmunda, Todea, Leptopteris.
Cyatheales
Thyrsopteridaceae Thyrsopteris.
Loxsomataceae: Loxsoma, Loxsomopsis.
Culcitaceae: Culcita.
Plagiogyriaceae: Plagiogyria.
Cibotiaceae: Cibotium.
Cyatheaceae: Alsophila, Cyathea, Gymnosphaera, Hymenophyllopsis, Sphaeropteris
Dicksoniaceae: Calochlaena, Dicksonia, Lophosoria.
Metaxyaceae: Metaxya.