''Sceptridium jenmanii'', the Alabama grapefern or Dixie 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 ...

native to the southeastern United States. It is a rare species, and is apparently in decline. Like other grape ferns, it depends on a

mycorrhizal A mycorrhiza (from Greek μύκης ', "fungus", and ῥίζα ', "root"; pl. mycorrhizae, mycorrhiza or mycorrhizas) is a symbiotic association between a fungus and a plant. The term mycorrhiza refers to the role of the fungus in the plan ...

association in the soil to survive.

References

{{fern-stub Ophioglossaceae Ferns of the United States Taxa named by Lucien Marcus Underwood