by Dr M Lueth ©.
*1: Morvah, 1884, WC (MANCH) (Paton 1969a: 701).
*2: SW. of Tregony, 1961, JAP (BBSUK) (Paton 1969a:
701). [Earlier report (Boscastle Harbour, 1930, HHK & JBD,
in Rilstone 1936 and Castell 1950: 377) not supported by
specimen (Paton 1969a: 701)].
See notes on preceding species. Non-fertile plants
were only placed as this species when counts of oil-bodies or
leaf shapes were decisive (see Paton 1999: 399); otherwise
they were placed as C. polyanthos s.
Typically forms pure mats or patches.
Habitat notes from Cornwall are as follows. On damp soil of
bank near stream in shade of Grey Willows. Soil on pathway and
a disused track on slope in deciduous woodland (one site in
river flood-zone). On low rocks in flush inside deciduous
woodland. Three records of pure patches under GreyWillow
carr, in areas subject to occasional flooding, on flat loamy
soil or ground litter. Plentiful on firm soil and granitic
rocks beneath Grey Willow scrub in inundation zones beside
Stithians and Argal Reservoirs. Small patch in open flush in
area of mires near reservoir edge. Base of Juncus and Molinia caerulea in
fen vegetation grown on ungrazed mire. Partly submerged in
shallow flowing water near spring in mire (with Sarmentypnum
Commonly c.per. (immature 7, 11, mature 8, 10);
capsules immature 1.