Accepted By:
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Crabbe, J. A., A. C. Jermy & J. T. Mickel. 1975. A new generic sequence for the pteridophyte herbarium. Fern Gaz. 11(2–3): 141–162.
General:
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Christenhusz, M. J. M., X.-C. Zhang & H. Schneider. 2011. A linear sequence of extant families and genera of lycophytes and ferns. Phytotaxa 19: 7–54.
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