Published in American Fern Journal, in 1993, in volume 83, pages 3-19
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doi:10.2307/1547357
Published in American Fern Journal, in 1993, in volume 83, pages 20-29
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doi:10.2307/1547358
Published in American Fern Journal, in 1993, in volume 83, pages 30-36
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doi:10.2307/1547359
Published in American Fern Journal, in 1993, in volume 83, pages 37-38
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doi:10.2307/1547360
Published in American Fern Journal, in 1993, in volume 83, pages 39
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doi:10.2307/1547361
Published in American Fern Journal, in 1993, in volume 83, pages 40
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doi:10.2307/1547363
Published in American Fern Journal, in 1993, in volume 83, pages 41-46
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doi:10.2307/1547564
Published in American Fern Journal, in 1993, in volume 83, pages 46
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doi:10.2307/1547565
Published in American Fern Journal, in 1993, in volume 83, pages 47-53
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doi:10.2307/1547566
Published in American Fern Journal, in 1993, in volume 83, pages 54-59
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doi:10.2307/1547567
Published in American Fern Journal, in 1993, in volume 83, pages 60-66
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doi:10.2307/1547568
Published in American Fern Journal, in 1993, in volume 83, pages 67-70
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doi:10.2307/1547569
Published in American Fern Journal, in 1993, in volume 83, pages 71-72
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doi:10.2307/1547571
Published in American Fern Journal, in 1993, in volume 83, pages 79-85
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doi:10.2307/1547456
Published in American Fern Journal, in 1993, in volume 83, pages 86-89
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doi:10.2307/1547457
Published in American Fern Journal, in 1993, in volume 83, pages 90-92
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doi:10.2307/1547458
Published in American Fern Journal, in 1993, in volume 83, pages 93-96
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doi:10.2307/1547459
Published in American Fern Journal, in 1993, in volume 83, pages 97-104
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doi:10.2307/1547460
Published in American Fern Journal, in 1993, in volume 83, pages 105-119
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doi:10.2307/1547587
Published in American Fern Journal, in 1993, in volume 83, pages 120-128
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doi:10.2307/1547588
Published in American Fern Journal, in 1993, in volume 83, pages 128
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doi:10.2307/1547589
Published in American Fern Journal, in 1993, in volume 83, pages 129-130
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doi:10.2307/1547590
Published in American Fern Journal, in 1993, in volume 83, pages 131-134
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doi:10.2307/1547591
Published in American Fern Journal, in 1993, in volume 83, pages 134
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doi:10.2307/1547592
Published in American Fern Journal, in 1993, in volume 83, pages 135
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doi:10.2307/1547593