*1: Carn Galver, 1879,
WC (OXF) (Paton 1969a:
699).
*2: Brown Willy, 1907,
RWS (TRU) (Paton 1969a:
699).
Habitat notes from Cornwall are as follows. Sides
of granitic boulders and sometimes rocks in walls on old
metalliferous mine areas, mainly where N.-facing, unshaded or
in light shade. Also locally plentiful on unshaded flat areas
and slopes of 'lithosols' on old copper mine spoil, in pure
patches and with Gymnocolea inflata. On
granitic rocks and on firm china clay spoil of banks in and
near working quarries (china-clay and granite) and on spoil
heaps, unshaded or slightly shaded, small patches or sometimes
abundant. Locally plentiful on firm damp sand of unshaded pool
edges (mica dams). Granitic boulder of outcrop on hillside,
lightly shaded (with Scapania gracilis).
Granitic boulders at top edge of inundation-zone beside
reservoir, almost unshaded (near Racomitrium aciculare,
Scapania undulata).
On granitic rocks in sheltered 'hedges', bases of 'hedges',
old walls and laneside banks, in open, partly shaded, or
moderately shaded inside deciduous woodland. Patches also seen
on low granitic boulders in open acid grassland, in a mire and
(several times) well above to close above water level in small
moorland streams. Granitic boulders in flood-zone of river. On
rock and thin overlying soil in old granite quarry. Slaty
rocks trickling with water after rain of sheltered laneside
bank (near Diplophyllum
albicans). Small patches recorded several times on firm
soil in woodland: at path edges in deciduous woodland and on
part-shaded bank at edge of clearing in conifer wood; with Cephalozia
bicuspidata, Diplophyllum albicans,
Nardia scalaris.
Small patch on rock on path inside deciduous woodland on
N.-facing slope, moderately shaded. Other associates recorded
include Marsupella
profunda, Marsupella
sprucei.
Occasionally cper: 9. One record cfr, capsules
immature 3.