Ophioglossum reticulatum f. dilatatum(Miq.) Wieff.
Ophioglossum reticulatum var. polyangiumChrist
Ophioglossum timorenseMiq.
Ophioglossum usterianumChrist
Ophioglossum vulgatum var. minutumF.M.Bailey
Ophioglossum vulgatum var. reticulatum(L.) D.C.Eaton
Ophioglossum reticulatum, the netted adder's-tongue, is a species of fern in the family Ophioglossaceae.[3] It has a pantropical/pansubtropical distribution; Latin America, the Caribbean, Sub-Saharan Africa, Madagascar, Yemen, the Indian Subcontinent, Southeast Asia, warmer parts of China, Malesia, Korea, Japan, and many tropical islands.[2] A hexaploid, it has the highest number of chromosomes of any plant, 720.[4] Its leaves—or leaf, individuals only grow one per year—are edible, and are regularly consumed by people in Africa and Asia.[5][6]