Published in American Fern Journal, in 1978, in volume 68, pages 1-2
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doi:10.2307/1546405
Published in American Fern Journal, in 1978, in volume 68, pages 3-6
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doi:10.2307/1546406
Published in American Fern Journal, in 1978, in volume 68, pages 7-8
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doi:10.2307/1546408
Published in American Fern Journal, in 1978, in volume 68, pages 9-10
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doi:10.2307/1546409
Published in American Fern Journal, in 1978, in volume 68, pages 11-12
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doi:10.2307/1546410
Published in American Fern Journal, in 1978, in volume 68, pages 13-28
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doi:10.2307/1546411
Published in American Fern Journal, in 1978, in volume 68, pages 29-30
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doi:10.2307/1546413
Published in American Fern Journal, in 1978, in volume 68, pages 30
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doi:10.2307/1546414
Published in American Fern Journal, in 1978, in volume 68, pages 31-32
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doi:10.2307/1546415
Published in American Fern Journal, in 1978, in volume 68, pages 33-36
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doi:10.2307/1546776
Published in American Fern Journal, in 1978, in volume 68, pages 37-40
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doi:10.2307/1546777
Published in American Fern Journal, in 1978, in volume 68, pages 41-44
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doi:10.2307/1546778
Published in American Fern Journal, in 1978, in volume 68, pages 45-51
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doi:10.2307/1546779
Published in American Fern Journal, in 1978, in volume 68, pages 52-54
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doi:10.2307/1546780
Published in American Fern Journal, in 1978, in volume 68, pages 55-56
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doi:10.2307/1546781
Published in American Fern Journal, in 1978, in volume 68, pages 57-59
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doi:10.2307/1546782
Published in American Fern Journal, in 1978, in volume 68, pages 60
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doi:10.2307/1546784
Published in American Fern Journal, in 1978, in volume 68, pages 61-62
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doi:10.2307/1546785
Published in American Fern Journal, in 1978, in volume 68, pages 62
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doi:10.2307/1546786
Published in American Fern Journal, in 1978, in volume 68, pages 63
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doi:10.2307/1546787
Published in American Fern Journal, in 1978, in volume 68, pages 65-66
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doi:10.2307/1546450
Published in American Fern Journal, in 1978, in volume 68, pages 67-70
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doi:10.2307/1546451
Published in American Fern Journal, in 1978, in volume 68, pages 71-75
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doi:10.2307/1546452
Published in American Fern Journal, in 1978, in volume 68, pages 76-94
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doi:10.2307/1546453
Published in American Fern Journal, in 1978, in volume 68, pages 94-95
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doi:10.2307/1546454
Published in American Fern Journal, in 1978, in volume 68, pages 95
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doi:10.2307/1546455
Published in American Fern Journal, in 1978, in volume 68, pages 96
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doi:10.2307/1546457
Published in American Fern Journal, in 1978, in volume 68, pages 97-98
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doi:10.2307/1546479
Published in American Fern Journal, in 1978, in volume 68, pages 99-108
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doi:10.2307/1546480
Published in American Fern Journal, in 1978, in volume 68, pages 119-120
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doi:10.2307/1546483
Published in American Fern Journal, in 1978, in volume 68, pages 120
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doi:10.2307/1546484