Ophioglossales
| Kingdom: | Plantae |
| Phylum: | Pteridiphyta |
| Class: | Polypodiopsida |
| Order: | Ophioglossales |
- Family
- Genus
- species -- Common Name
- Botrychium
- ascendens -- Triangular-lobed Moonwort
- biternatum -- Sparse-lobed Grape Fern
- campestre -- Prairie Moonwort
- crenulatum -- Crenulate Moonwort
- dissectum -- Cut-leaved Grape Fern
- hesperium -- Western Moonwort
- jenmanii -- Alabama Grape Fern
- lanceolatum --Lance-leaved Moonwort
- lunaris -- Common Moonwort
- lunarioides -- Winter Grape Fern
- matricariifolium -- Daisy-leaf Grape Fern
- minganense -- Mingan Moonwort
- montanum -- Mountain Moonwort
- mormo -- Little Goblin Moonwort
- multifidum -- Leathery Grape Fern
- oneidense -- Blunt-lobed Grape Fern
- paradoxum -- Two-spiked Moonwort
- pedunculosum -- Stalked Moonwort
- pinnatum -- Northern Moonwort
- pumicola -- Pumice Moonwort
- rugulosum -- Ternate Grape Fern
- simplex -- Least Moonwort
- virginianum -- Rattlesnake Fern
- Cheiroglossa
- palmata -- Hand Fern
- Helminthostachys
- zeylanica --
- Ophioglossum
- crotalophoroides -- Bulbous Adder's-tongue Fern
- engelmannii -- Englemann's Adder's-tongue Fern
- lusitanicum -- Dwarf Adder's-tongue Fern
- nudicaule -- Slender Adder's-tongue Fern
- petiolatum -- Stalked Adder's-tongue Fern
- pycnostichum -- Southeastern Adder's-tongue Fern
- pusillum -- Northern Adder's-tongue Fern
- vulgatum -- Southern Adder's Tongue Fern
Ophioglossaceae
