Published in American Fern Journal, in 1948, in volume 38, pages 48-52

Published in American Fern Journal, in 1948, in volume 38, pages 71-87

Published in American Fern Journal, in 1948, in volume 38, issue 3, pages 87

Published in American Fern Journal, in 1948, in volume 38, issue 4, pages 132

Published in American Fern Journal, in 1948, in volume 38, issue 4, pages 155

Published in American Fern Journal, in 1948, in volume 38, issue 4, pages 159

Published in American Fern Journal, in 1948, in volume 38, issue 4, pages 176