Photo
by Dr M Lueth ©.
*1: Carbis Bay, 1883,
WM & WC (NMW) (Paton 1969a:
698).
*2: Damp rock face in
old quarry in valley S. of Trecarrell Bridge, S. of
Launceston, Aug. 1961, JAP (BBSUK) (Paton
1962: 358, 1969a: 698).
Probably somewhat under-recorded as small
non-fertile Jungermannia seen at
several sites were presumably this
species.
Habitat notes from Cornwall are as follows. On
rocks (with thin silt or soil layer) low in flood-zone of R.
Tamar, slightly shaded by edge deciduous woodland. On damp
slaty rocks in low wall of ruin in light shade of Hazel
coppice near stream. Thin soil film over low granitic rocks
part-shaded by deciduous woodland on slope above
river.
Only recorded cper: 1, 8. Commonly ? c.fr.:
immature 1, 2; dehiscing 2.