*1: Stones and bank of
stream below the mill, Trelowarren Mills, Mawgan near Helston,
May 1962, JAP (BBSUK) (Paton 1963: 483,
1969a: 690).
*2: Bank of river below
bridge, Lesnewth valley, near Boscastle, Apr. 1961, BS &
VC comm. RJM (Paton 1962: 356, 1969a:
690).
Habitat notes from recent Cornish records are as
follows. Trelowarren Mill: within 0-20 cm above usual water
level of stream in shade of deciduous woodland in sheltered
valley, mainly on slaty rocks (horizontal or inclined, locally
vertical) with small amounts spreading onto adjacent hard soil
of steep bank; forming small and larger patches, up to 70 x
150 cm in extent; grows close to Chiloscyphus
polyanthos, Pellia
endiviifolia, Conocephalum conicum
s. str., Fissidens rivularis.
Below St Nectan's Glen: bank of stream (fide FJR). Lesnewth
Valley: on horizontal to sloping slaty rocks low on banks of
streams and small rivers, within flood-zone and shaded by edge
of deciduous woodlands; associates include Conocephalum conicum,
Fissidens taxifolius
var.
taxifolius, Thamnobryum
alopecurum.
Not seen c.fr. Stalk of female receptacle
elongated: 4.