Bryophyte of the Month
Marchantia polymorpha subsp. montivagans Bischl. & Boisselier
Marchantia polymorpha subsp. montivagans
The relatively rare cousin of the Common liverwort, Marchantia polymorpha subsp. ruderalis which is found in gardens throughout the UK. Note the absence of a black median line, present in both other subspecies. Subsp. montivagans is characteristic of base-rich springs and flushes.
Photo: Claire Halpin, Mynydd Llangattock February 2020
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