Northeastern Asian Flora - Ceratopteris thalictroides

Ceratopteris thalictroides (L.) Brongn. (redirected from: Ceratopteris richardii Brongn.)
Family: Pteridaceae [Acrostichum siliquosum L., more] Images not available	Japan Flora Resources Japan Flora: Fronds tufted, usually dimorphic; sterile blades ovate to ovate-deltoid, 3-20 cm. long, 2.5-17 cm. wide, 1- to 4-pinnatipartcd; pinnules lanceolate, with few coarse teeth or lobes; veins anastomosing; fertile blades ovate, 1- to 3-pinnate, erect, the stipes usually shorter than the blades, the ultimate pinnules linear-subulate, 2-7 cm. long, 2-3 mm. wide, obtuse, entire, sessile. Aug.-Oct. Ponds and paddy fields. Honshu (Kanto Distr. and westw.), Shikoku, Kyushu; common. s. Korea, Ryukyus, Formosa, China to India, Malaysia, and Polynesia.
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