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| August 2007 at rice paddy | August 2007 at rice paddy |
| 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) |
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| August 2007 at rice paddy | August 2007 at rice paddy |
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| August 2007 at Tsukuba Botanical Garden |
August 2007 at Tsukuba Botanical Garden |
