Cyclosorus calcaratus Dryopteris marthae Cyclosorus zeylanicus Lastrea reinwardtiana Thelypteris arthurii Thelypteris ratnapurae Trigonospora angustifrons Trigonospora calcarata Trigonospora glandulosa Trigonospora zeylanica Dryopteris calcarata Lastrea calcarata Aspidium calcaratum Thelypteris zeylanica
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024