Ophioglossum - Species Dictionary - Global : iSpot Nature - Your place to share nature. iSpot is a website aimed at helping anyone identify anything in nature. Once you've registered, you can add an observation to the website and suggest an identification yourself or see if anyone else can identify it for you.

Catalogue of Life
Plantae, Tracheophyta, Psilotopsida, Ophioglossales, Ophioglossaceae, Ophioglossum
Ophioglossum crotalophoroides, Ophioglossum lusitanicum, Ophioglossum nudicaule, Ophioglossum petiolatum, Ophioglossum reticulatum, Ophioglossum concinnum, Ophioglossum pendulum, Ophioglossum californicum, Ophioglossum engelmannii, Ophioglossum pusillum, Ophioglossum azoricum, Ophioglossum vulgatum