Photo
by Dr M Lueth ©.
*1: On wood of log lying in stream, just above
water-level, shaded by deciduous woodland, NW. of St Martin,
SW72, 1994, DTH 94-133 (BBSUK, DTH) (Blockeel
1996: 48).
*2: Talland, 1915, FR (RAMM) (Paton 1969a:
747).
Probably not a valid species: see notes
under H.
varium.
Grows as low patches. Most records are from streams
at or close above water-level, usually growing on steep,
horizontal or sloping rock (granitic, serpentinite or slate),
but with single records of it extending onto firm soil and
wood of a log. Two records were from open but sheltered sites
but most were noted as being either partly shaded by banks,
scrub, etc. or more heavily shaded by deciduous trees or
woodland. A single record (S. of Pantersbridge) of it growing
close above water-level of a small river, within the usual
flood-zone. Associates recorded were Amblystegium serpens
var. serpens, Brachythecium
rivulare, Chiloscyphus
polyanthos.
One record c.fr.
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