Sphenopteris Lesquereuxii
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Status: Complete
Sphenopteris Lesquereuxii, Newberry
Annals of Science p.
Lesq. Geol. Penn 2 p 862 pl. 10 fig 1
Frond bipinnately divided; pinnae alternate, long, flexuous, lanceolate; inferior pinnules cordate-oval, distant, pinnately 3 to 5 lobed, or undulate; superior ones oval, or half round, confluent and decurrent, entire; nerves dichotomous, arched, obsolete; medial nerves slender & undulate; rachis irregularly & deeply dotted or tuberculate.
Coal Measures. Common
Mauch Chunk Pa.
Ohio
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