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FNA | Family List | FNA Vol. 2 | Thelypteridaceae

1d. Thelypteris Subg. Thelypteris Schmidel

Distinguished from other subgenera by the combination of seasonal leaves, long-creeping stems 1--3 mm diam., pinnate-pinnatifid blades, veins often forked and meeting margins above the sinuses, scales along the abaxial costae, and by the proximal pinnae not or only slightly shortened. x = 35.

Thelypteris palustris and T . confluens (Thunberg) C. V. Morton from the Southern Hemisphere constitute the subgenus Thelypteris , according to R. E. Holttum (1971).


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