Ceratopteris thalictroides

Family Parkeriaceae
Scientific name Ceratopteris thalictroides (L.) Brongniart
Synonyms Acrostichum siliquosum L.; Acrostichum thalictroides L.; Ceratopteris cornuta auct., non (P. Beauvois) Le Prieur; Ceratopteris deltoidea Benedict; Ceratopteris siliquosa (L.) Copeland Ellobocarpus oleraceous Kaulf.; Furcaria thalictroides (L.) Desvaux; Pteris thalictroides (L.) Swartz; Pteris siliquosa (L.) P. Beauvois; Teleozoma thalictroides (L.) R. Brown ex H. Richards
Common name (Japanese common name) mizu-warabi [water warabi (warabi = Pteridium aquilinum var. latiusculum)]
(English common name) water fern, water horn fern, watersprite
Distribution (Japan) Honshu (west of Kanto region), Shikoku, Kyushu, Okinawa
(Other nations) China, Taiwan, Philippines, Vietnam, Thailand, Indonesia, Papua New Guinea, Australia, Guam, Micronesia, Solomon Islands, Myanmar, Nepal, India, Sri Lanka, Africa, USA, Mexico, Jamaica, Puerto Rico, Trinidad and Tobago, Costa Rica, El Salvador, Guatemala, Nicaragua, Panama, French Guiana, Guyana, Suriname, Venezuela, Colombia, Ecuador, Brazil
Chromosomal number n=78, 2n=154, 156
Description Plants 20-40cm tall. Leaves 10-35cm long. Water plants. Annual plants.
Reference Ceratopteris thalictroides (L.) Brongn.
Ceratopteris thalictroides (Linnaeus) Brongniart
Method for producing genes conferring resistance to herbicides, growth regulators or other chemical agents in vascular plants (US Patent 4528773/1985)

August 2007 at rice paddy August 2007 at rice paddy

August 2007
at Tsukuba Botanical Garden
August 2007
at Tsukuba Botanical Garden