. . "Plantae" . . "Ophioglossum" . "Streptophyta" . . . . . . . "Ophioglossopsida" . "Brack." . . "Ophioglossum concinnum Brack." . "Ophioglossales" . . . "Ophioglossaceae" . . "Tropical Adderstongue" . "Ophioglossum concinnum" .