Monilophytes (ferns): Ophioglossoid Ferns (eusporangiate ferns): Ophioglossales
WEAKLEY'S FLORA (11/30/12):
Ophioglossum engelmannii
FAMILY
Ophioglossaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Ophioglossum engelmannii
FAMILY
Ophioglossaceae
COMMON NAME:
Engelmann's Adder's-tongue, Limestone Adder's-tongue
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_open_001_lvd
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Richard and Teresa Ware rtw_o_engelmannii_3
April
The veins of sterile blades form 2 sets of areoles: fine bounded by coarse, per Field Guide to the Ferns and Other Pteridophytes of Georgia.
COMPARE
Adder's Mouth and Adder's Tongue