Published in American Fern Journal, in 1911, in volume 1, pages 33-37
Published in American Fern Journal, in 1911, in volume 1, pages 37-40
Published in American Fern Journal, in 1911, in volume 1, pages 40-43
Published in American Fern Journal, in 1911, in volume 1, pages 44-45
Published in American Fern Journal, in 1911, in volume 1, pages 45-48
Published in American Fern Journal, in 1911, in volume 1, pages 49-51
Published in American Fern Journal, in 1911, in volume 1, pages 51-53
Published in American Fern Journal, in 1911, in volume 1, pages 53-58
Published in American Fern Journal, in 1911, in volume 1, pages 58-59
Published in American Fern Journal, in 1911, in volume 1, pages 60-63
Published in American Fern Journal, in 1911, in volume 1, pages 65-70
Published in American Fern Journal, in 1911, in volume 1, pages 71-74
Published in American Fern Journal, in 1911, in volume 1, pages 75-77
Published in American Fern Journal, in 1911, in volume 1, pages 78-79
Published in American Fern Journal, in 1911, in volume 1, pages 79-82
Published in American Fern Journal, in 1911, in volume 1, pages 82
Published in American Fern Journal, in 1911, in volume 1, pages 83
Published in American Fern Journal, in 1911, in volume 1, pages 93-97
Published in American Fern Journal, in 1911, in volume 1, pages 98-99
Published in American Fern Journal, in 1911, in volume 1, pages 100-101
Published in American Fern Journal, in 1911, in volume 1, pages 101-103
Published in American Fern Journal, in 1911, in volume 1, pages 104
Published in American Fern Journal, in 1911, in volume 1, pages 105-110
Published in American Fern Journal, in 1911, in volume 1, pages 111-113
Published in American Fern Journal, in 1911, in volume 1, pages 121-129
Published in American Fern Journal, in 1911, in volume 1, pages 129-136
Published in American Fern Journal, in 1911, in volume 1, pages 137-141