Dig deeper at SERNEC, a consortium of southeastern herbaria.
Monilophytes (ferns): Leptosporangiate Ferns (true ferns): Polypodiales
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Emily B. Sessa ebs_dcampyloptera_0319
A broadly triangular frond silhouette, much wider than similar Dryopteris, per Peterson Field Guide to Ferns of Northeastern and Central North America.
Emily B. Sessa ebs_dcampyloptera_0421
Blade widely ovate, about 2/3 as broad as rachis length, per Vascular Flora of the Carolinas.
Emily B. Sessa ebs_dcampyloptera_0861
Sori are prominent, halfway between midvein and margin, per Peterson Field Guide to Ferns of Northeastern and Central North America.
Patrick D. McMillan pdmdcampyloptera_mm3
June Yancey County NC
A fertile allotetraploid derived from hybridization of D. intermedia & expansa, per Weakley's Flora.
JK Marlow jkm0407v_25
July Mitchell County NC
The Roan Highlands
Basal pinnae's lower innermost pinnule 3-5x as long as upper, & also offset, per Peterson Field Guide to Ferns of Northeastern and Central North America.