Hydrogonium arcuatum Hydrogonium crozalsii Hydrogonium fontanum Hydrogonium majusculum Hydrogonium pseudoehrenbergii Hydrogonium subpellucidum Hydrogonium mamatkulovii Hydrogonium rechingeri Hydrogonium patulifolium Hydrogonium croceum Hydrogonium orientale Hydrogonium leucobasis Hydrogonium amplexifolium Hydrogonium bolleanum Hydrogonium consanguineum Hydrogonium dorrii Hydrogonium inflexum Hydrogonium javanicum Hydrogonium novoguineense Hydrogonium subcomosum Hydrogonium williamsii Hydrogonium leucodontoides Hydrogonium angustifolium Hydrogonium cruegeri Hydrogonium gregarium Hydrogonium hiroshii
Semibarbula Trichostomum sect. Hydrogonium Sinocalliergon
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024