Published in American Fern Journal, in 1946, in volume 36, issue 1, pages 7

Published in American Fern Journal, in 1946, in volume 36, issue 2, pages 48

Published in American Fern Journal, in 1946, in volume 36, issue 2, pages 51

Published in American Fern Journal, in 1946, in volume 36, issue 3, pages 91