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Total: 3

genus valid

Genus Azollophyllum Penh. in Dawson Proc. & Trans. Roy. Soc. Canada, 8(Section 4): 77. 1890

genus unavailable

Genus Dictyotites Penh. Proc. U.S. Natl. Mus., 16(928): 113. 26 Jul 1893

genus valid

Genus Zosterophyllum Penh. Canad. Rec. Sci., 5(1): 12. Jan 1892