Published in American Fern Journal, in 1960, in volume 50, pages 26-32

Published in American Fern Journal, in 1960, in volume 50, pages 55-62

Published in American Fern Journal, in 1960, in volume 50, pages 78-87

Published in American Fern Journal, in 1960, in volume 50, pages 107-109

Published in American Fern Journal, in 1960, in volume 50, pages 109-113

Published in American Fern Journal, in 1960, in volume 50, pages 145-155

Published in American Fern Journal, in 1960, in volume 50, pages 194-203

Published in American Fern Journal, in 1960, in volume 50, pages 257-263

Published in American Fern Journal, in 1960, in volume 50, pages 266-267

Published in American Fern Journal, in 1960, in volume 50, pages 270-275

Published in American Fern Journal, in 1960, in volume 50, pages 276-295

Published in American Fern Journal, in 1960, in volume 50, issue 1, pages 87

Published in American Fern Journal, in 1960, in volume 50, issue 1, pages 117

Published in American Fern Journal, in 1960, in volume 50, issue 1, pages 127

Published in American Fern Journal, in 1960, in volume 50, issue 3, pages 241