large adder's tongue
Ophioglossum costatum R.Br.

Ophioglossum costatum R.Br. is a member of the fern family Ophioglossaceae. Commonly known as large adder's tongue, this species is native to a wide range of regions including Angola, Ascension, Assam, Bangladesh, Botswana, Burkina, Burundi, Cameroon, and many others. It was first described in 1810.
Description
Ophioglossum costatum is a fern species belonging to the family Ophioglossaceae. It is distributed across multiple regions such as Angola, Ascension, Assam, Bangladesh, Botswana, Burkina, Burundi, Cameroon, Caroline Is., Central African Republic, Chad, Chatham Is., Comoros, East Himalaya, Ethiopia, Ghana, Guinea, Gulf of Guinea Is., India, and Ivory Coast. The species is known by the common name large adder's tongue in English and is similarly referred to in other languages. It was formally published in 1810 by R.Br.
Other common names
large adder's tongue
Distribution
Angola · Ascension · Assam · Bangladesh · Botswana · Burkina · Burundi · Cameroon · Caroline Is. · Central African Repu · Chad · Chatham Is. · Comoros · East Himalaya · Ethiopia · Ghana · Guinea · Gulf of Guinea Is. · India · Ivory Coast · Kenya · Liberia · Madagascar · Malawi · Malaya · Mali · Mozambique · New Zealand North · New Zealand South · Nigeria
Synonyms
Ophioglossum brevipesOphioglossum felixiiOphioglossum pedunculosumOphioglossum fibrosumOphioglossum wightiiOphioglossum oleosumOphioglossum vulgatum var. costatumOphioglossum vulgatum var. pedunculosumGoswamia costataOphioglossum aphrodisiacumOphioglossum bulbosum
