Published in American Fern Journal, in 1917, in volume 7, pages 3-5
Published in American Fern Journal, in 1917, in volume 7, pages 6-9
Published in American Fern Journal, in 1917, in volume 7, pages 12-15
Published in American Fern Journal, in 1917, in volume 7, pages 15-19
Published in American Fern Journal, in 1917, in volume 7, pages 33-35
Published in American Fern Journal, in 1917, in volume 7, pages 36-50
Published in American Fern Journal, in 1917, in volume 7, pages 51-54
Published in American Fern Journal, in 1917, in volume 7, pages 63-66
Published in American Fern Journal, in 1917, in volume 7, pages 67-73
Published in American Fern Journal, in 1917, in volume 7, pages 73-76
Published in American Fern Journal, in 1917, in volume 7, pages 77-87
Published in American Fern Journal, in 1917, in volume 7, pages 87-90
Published in American Fern Journal, in 1917, in volume 7, pages 90-96
Published in American Fern Journal, in 1917, in volume 7, pages 99-104
Published in American Fern Journal, in 1917, in volume 7, pages 104-106
Published in American Fern Journal, in 1917, in volume 7, pages 106-109
Published in American Fern Journal, in 1917, in volume 7, pages 110-112
Published in American Fern Journal, in 1917, in volume 7, pages 112-114
Published in American Fern Journal, in 1917, in volume 7, pages 114-121