''Sceptridium lunarioides'', the winter grapefern, is a species of fern in the

Ophioglossaceae Ophioglossaceae, the adder's-tongue family, is a small family of ferns. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), it is the only family in the order Ophioglossales, which together with the Psilotales is placed in the sub ...

family native to the southeastern United States. It is found in Texas, Oklahoma, Louisiana, Arkansas, Mississippi, Alabama, Georgia, Florida, and South Carolina. It is possibly extirpated from North Carolina. This species favors "open grassy places in prairies, cemeteries, and weedy roadsides." Like other grape ferns, it depends on a mycorrhizal association in the soil to survive.

References

Ophioglossaceae Ferns of the United States {{fern-stub