Riccia trichocarpa
Marchantiophyta
Riccia trichocarpa (XXXXXX)
Hairy crystalwort
Hairy Riccia
frequent
Distinguishing Features
A rare species, R. trichocarpa forms small rosettes (~1cm wide) on thin soils with open exposure. These rosettes distinguished by an abundance of hairs present all around the margins and underside of the plant.
Similar species
Riccia beyrichiana also has marginal outgrowths, but they are much shorter, much wider and much less numerous than those of R. trichocarpa. No other Riccia species has the abundant fine hairs of Rl trichocarpa.
Habitat
Seasonally moist fine mineral soil, especially around seepage sites and ephemeral pools. Rare, SW & SC BC.
Associated species
Gemmabryum barnesii, Pottia truncata, Riccia sorocarpa, Riccia beyrichiana, Riccia cavernosa, Pleuridium acuminatum, Philonotis capillaris