Cystopteris atrovirescens Cystopteris azorica Cystopteris emarginulata Cystopteris nivalis Asplenium diaphanum Cystopteris fragilis var. altajensis Polypodium diaphanum Cystopteris viridula Cystopteris canariensis Cystopteris diaphana Cystopteris emarginato-denticulata Cystopteris gureevae Cystopteris fragilis var. diaphana Woodsia nivalis Cystopteris altajensis Aspidium viridulum Cystopteris fragilis var. nigrescens
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024