*1: Mousehole, 1960,
JAP (BBSUK) (Paton 1969a: 691). [An older
report (Chywoone Grove, Newlyn, in Holmes 1869, Curnow 1882)
is not supported by a specimen: Paton 1969a:
691].
*2: Polperro, 1962, JAP
(BBSUK) (Paton 1969a: 691). [An earlier
report (Polperro, in Rilstone 1918) is not supported by a
specimen: Paton 1969a: 691].
Habitat notes from C&S are as follows.
Compressed soil of partly bare areas on paths, on or beside
old tracks, track edges and in old quarries inland (including
areas of old copper mine spoil, among serpentinite rocks on
hillside, on heath, beside ruined building in old granite
quarry) and often on slopes above sea-cliffs (where often near
rocks, sometimes in low carpets of other bryophytes), on
woodland track; unshaded or lightly shaded; associates include
Acaulon muticum, Archidium
alternifolium, Barbula convoluta, Bryum argenteum, Bryum dichotomum, Ceratodon purpureus,
Fossombronia
'husnotii', Fossombronia incurva,
Lophozia excisa, Philonotis fontana, Riccia glauca, Riccia subbifurca, Tortula truncata; Agrostis tenuis. Small
amount on soil on ledge of slaty rock on coastal slope. In
small quantity on unshaded mud exposed in inundation zone
beside Argal Reservoir (with Aphanorrhegma patens,
Bryum
klinggraeffii, Pseudephemerum
nitidum, Riccia
subbifurca).
Often also on exposed soil in fields (arable fallow
and cereal, flax and maize stubble; bulbfields and other
horticulture; grass ley), near Barbula convoluta, Bryum rubens, Dicranella
schreberiana, Dicranella staphylina,
Trichodon
cylindricus, Entosthodon
fascicularis, Ephemerum
minutissimum,
Epipterygium
tozeri, Riccia
glauca, Riccia
subbifurca, Tortula
truncata, along with herbs such as Cerastium glomeratum,
Lamium purpureum,
Stellaria media, Veronica persica. In
Isles of Scilly often with Riccia crystallina, Sphaerocarpos
michelii, Sphaerocarpos texanus
and herbaceous weeds such as Oxalis
pes-caprae.
Commonly cfr; spores mature 2, 3, 10,
12.