*1: Silverwell, N. of
Chacewater, 1962, JAP (Paton 1969a: 694). [Older report from
same locality (in Rilstone 1919) not supported by a specimen:
Paton 1969a: 694].
*2: Damp stony and
peaty roadside patch, Langreek, Polperro, Sep. 1949, FR
(BM) (Castell 1950: 375, Paton 1969a:
694).
Habitat notes from Cornwall are as follows.
Compacted soil among stones of unshaded turning area on track
near coast. Compacted acid soil of bare patches on unshaded
path in cemetery (with Archidium
alternifolium, Bryum capillare, Lophozia bicrenata).
Compressed soil of edges and central parts of earthy, clayey
and gravelly tracks, close to edges of Grey Willow carr or
woodland and in open or slightly shaded (associates include Archidium
alternifolium, Phaeoceros laevis, Scapania irrigua,
rarely Atrichum
tenellum, Ephemerum
sessile, Pleuridium
subulatum, Pohlia
lutescens). Acid soil with bare patches on disturbed
ground near china clay quarries; unshaded (with Ceratodon purpureus,
Pleuridium
subulatum, low grasses). Lightly shaded damp clay on path
among Calluna vulgaris
in old china-clay 'dry', with Archidium
alternifolium, Ephemerum serratum, Gymnocolea inflata, Solenostoma
gracillimum. Unshaded soil in old granite quarry. Firm
clay, firm soil or damp peaty mud exposed in inundation zones
on unshaded edges of reservoirs (near Dicranella rufescens,
Ephemerum serratum,
Pohlia
camptotrachela). Damp soil of low hummock in acidic flush
(with Philonotis
caespitosa). Four times in arable (stubble) fields, one of
these loam, pH 6.2 (with Anthoceros agrestis,
Riccia glauca, Riccia subbifurca, Trichodon cylindricus,
Ephemerum
minutissimum, Tortula
truncata).
Only recorded with mature spores (often ripened
indoors): capsules immature 3, 4, 6, 7, 9-12; dehiscing 2, 4,
6-12, dehisced 3, 10-12.
