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Published in American Fern Journal, in 1915, in volume 5, pages 4-7
Published in American Fern Journal, in 1915, in volume 5, pages 33-39
Published in American Fern Journal, in 1915, in volume 5, pages 42-50
Published in American Fern Journal, in 1915, in volume 5, pages 50-52
Published in American Fern Journal, in 1915, in volume 5, pages 52-54
Published in American Fern Journal, in 1915, in volume 5, pages 79-83
Published in American Fern Journal, in 1915, in volume 5, pages 87-91
Published in American Fern Journal, in 1915, in volume 5, pages 105-107