Marchantia polymorpha
Taxonomy and a description of the thalloid liverwort.
Marchantia polymorpha
Archegoniophores bearing sporophytes on their undersides.
Marchantia polymorpha
Photograph of female plants.
Marchantia polymorpha
Top view of antheridiophores (light green structures) arising from the complex thallus of the gametophyte (darker green).
Marchantia polymorpha
Photograph of the male plants.
Marchantiaceae
Links to information about the specimens in the American Bryophyte Catalogue of The New York Botanical Garden.
Preissia quadrata
A description of the habitat in which this species grows in Wales, along with a photograph of the gametophyte.