Weissia abbreviata- Weissia andersoniana
- Weissia angustifolia
- Weissia apiculata
- Weissia argentinica
- Weissia artocosana
- Weissia atrocaulis
- Weissia auridens
- Weissia ayresii
- Weissia bartramioides
- Weissia bicolor
- Weissia brachycarpa
- Weissia brachypoma
- Weissia breutelii
- Weissia bruchii
- Weissia caespitosa
- Weissia canaliculata
- Weissia capilliseta
- Weissia ciliata
- Weissia coarctata
- Weissia condensa
- Weissia connata
- Weissia contecta
- Weissia controversa
- Weissia crispata
- Weissia cryptodon
- Weissia cucullata
- Weissia cucullifolia
- Weissia curvirostris
- Weissia diffidentia
- Weissia drummondii
- Weissia edentula
- Weissia erythrogona
- Weissia exigua
- Weissia exserta
- Weissia fallax
- Weissia fornicata
- Weissia forsteri
- Weissia ghatensis
- Weissia groenlandica
- Weissia gymnostomoides
- Weissia hedwegii
- Weissia hedwigii
- Weissia hildebrandtii
- Weissia humilis
- Weissia incerta
- Weissia inoperculata
- Weissia involuta
- Weissia irrorata
- Weissia jamaicensis
- Weissia javanica
- Weissia lanceolata
- Weissia latiuscula
- Weissia leptodon
- Weissia levieri
- Weissia ligulaefolia
- Weissia lineaefolia
- Weissia linearifolia
- Weissia longidens
- Weissia longifolia
- Weissia lorentzii
- Weissia ludoviciana
- Weissia macrocarpa
- Weissia macrospora
- Weissia melanostoma
- Weissia microstoma
- Weissia mielichhoferiana
- Weissia mittenii
- Weissia monocladus
- Weissia mucronulata
- Weissia muhlenbergiana
- Weissia multicapsularis
- Weissia muralis
- Weissia navicularis
- Weissia neocaledonica
- Weissia newcomeri
- Weissia novae-valisiae
- Weissia nudiflora
- Weissia obtusifolia
- Weissia opaca
- Weissia oranica
- Weissia ovalis
- Weissia pabstiana
- Weissia patagonica
- Weissia patula
- Weissia perichaetialis
- Weissia perssonii
- Weissia phascoides
- Weissia phascopsis
- Weissia phyllantha
- Weissia platystegia
- Weissia pomiformis
- Weissia pumila
- Weissia recurvata
- Weissia reflexa
- Weissia ricciae
- Weissia riograndensis
- Weissia riparia
- Weissia rohlfsiana
- Weissia rostellata
- Weissia rutilans
- Weissia schisti
- Weissia seligeri
- Weissia semipallida
- Weissia sharpii
- Weissia sinaloensis
- Weissia sinloensis
- Weissia socotrana
- Weissia squarrosa
- Weissia sterilis
- Weissia stillicidiorum
- Weissia striata
- Weissia subacaulis
- Weissia submicacea
- Weissia sullivantii
- Weissia tenella
- Weissia termitidarum
- Weissia tophicola
- Weissia tortilis
- Weissia triumphans
- Weissia umbrosa
- Weissia venezuelensis
- Weissia veviridis
- Weissia viridula
- Weissia waymouthii
- Weissia welwitschii
- Weissia weymouthii
- Weissia wimmeriana