*1: Trevaylor,
Penzance, 1865, WC
(PNZ) (Paton 1969a: 749).
*2: Near St Erme, 1861,
ES (TRU) (Paton 1969a:
749).
Often forms substantial pure patches. Habitat notes
from Cornwall are as follows. With other mosses on steep face
of shaded serpentinite and slaty rocks in old 'hedges'. On
shaded serpentinite rocks in woodland, some on near vertical
faces. On stone wall of ruined building in old mine area,
shaded by scrub and Sycamore tree. On old mortared walls e.g.
around church car park, of bridge parapet in open woodland, of
ruins in disused china clay works, part shaded. On granitic
and gabbro boulders in and at edges of groves of deciduous
trees, e.g. near stream and part shaded. On soil of side of
shaded 'hedge' in deciduous woodland near stream. On granitic
rocks of laneside and other 'hedges', slightly shaded. On
slaty rock in shade in disused railway cutting. Low on tree
trunks (Ash, Beech, oak, Sycamore) in deciduous woodlands, in
groves of trees and on scattered trees e.g. near water and
beside lanes. Extends into upper parts of flood-zone beside R.
Tamar. Associates include Hypnum andoi, Isothecium myosuroides
var.
myosuroides,
Lejeunea lamacerina (growing on the Isothecium), Neckera
complanata.
Frequently c.fr.: capsules immature 1, 8, 11;
dehiscing 1, 10; dehisced 1-7.