Riccia crystallina

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Identification notes

Unlike many of our species of Riccia, R. crystallina can be quite large, with rosettes growing to 2-3 cm in diameter. They are often much smaller though.

It can be surprisingly abundant, forming dense concentrations of hundreds or even thousands of rosettes in a small area. It is sometimes also a member of an interesting bryophyte community which may also include Sphaerocarpos michelii and Bryum gemmilucens.


Read the Field Guide account

Distribution in Great Britain and Ireland

R. crystallina is spreading eastwards and, while still a rarity, can be encountered unexpectedly where there has been plenty of disturbance to maintain bare ground. Think campsites, car parks and places where people have picnics and BBQs.

View distribution from the BBS Atlas 2014

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