Monilophytes (ferns): Leptosporangiate Ferns (true ferns): Polypodiales
WEAKLEY'S FLORA (5/21/15):
Athyrium angustum
FAMILY
Athyriaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Athyrium filix-femina ssp. angustum
FAMILY
Dryopteridaceae
SYNONYMOUS WITH
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Athyrium filix-femina var. michauxii
SYNONYMOUS WITH
Flora of North America
Athyrium filix-femina var. angustum
COMMON NAME:
Northern Lady Fern
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Emily B. Sessa ebs_afilixfeminaang3840
April
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Emily B. Sessa ebs_afilixfeminaang3845
April
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Emily B. Sessa ebs_afilixfeminaang1566
July
Indusia with hairs but not glands, edge attached to long sides of sori, per Peterson Field Guide to Ferns of Northeastern and Central North America.
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Emily B. Sessa ebs_afilixfeminaang1601
July
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Emily B. Sessa ebs_afilixfeminaang1720
July
Pinnae sessile or with very short stalks, per Peterson Field Guide to Ferns of Northeastern and Central North America.
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Emily B. Sessa ebs_afilixfeminaang1720b
July
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JK Marlow jkm070703_058
July Summers County WV
Sandstone Visitors Center
Sori elongate. Spores yellowish to brownish, mature spores golden yellow, per Peterson Field Guide to Ferns of Northeastern and Central North America.
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JK Marlow jkm070703_061b
July Summers County WV
Sandstone Visitors Center
Blades broadly lanceolate w pointed tips, widest near or just below middle, per Peterson Field Guide to Ferns of Northeastern and Central North America.