Alethopteris lancifolia Wagner, a rare element of the lower Westphalian “Fern Ledges” of Atlantic Canada
Resumen
Description of a plant impression from the lower Westphalian (Langsettian) “Fern Ledges” at Saint John, New Brunswick, and identification with Alethopteris lancifolia Wagner, a European species of the same general age. Comparison is made with similar species.
Palabras clave
“Fern Ledges”, New Brunswick, Langsettian, Alethopteris
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