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A Revision of the North American Species of Ophioglossum
Elizabeth G. Britton
Bulletin of the Torrey Botanical Club
Vol. 24, No. 12 (Dec. 30, 1897), pp. 545-559
Published by: Torrey Botanical Society
Stable URL: http://www.jstor.org/stable/2478289
Page Count: 17
You can always find the topics here!Topics: Petioles, Plants, Spores, Herbaria, Ferns, Rootstocks, Peduncle, Sporangia, Cerebral veins, Understory
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