Published in Tools for Identifying Biodiversity: Progress and Problems, in 2010, pages 19-24

Created: 2026-02-28, modified: 2026-02-28

Published in Tools for Identifying Biodiversity: Progress and Problems, in 2010, pages 13-18

Created: 2026-02-28, modified: 2026-02-28

Published in American Fern Journal, in 1987, in volume 77, pages 28-32

Created: 2017-04-23, modified: 2017-04-23

Published in Journal of South African Botany, in 1980, in volume 46, issue 2, pages 167-171

Created: 2024-09-05, modified: 2024-09-05

Published in Biol Bull, in 1933, in volume 64, pages 183-205

Created: 2010-01-06, modified: 2011-06-21