*1: Land's End, 1886,
HND (BM) (Paton 1969a: 748).
*2: Rescorla Moor, S.
of Bugle, 1870, RVT comm. JAP (B) (Warburg
1964: 733, Paton 1969a: 748).
Forming pure patches or mats or loosely branching
mass when growing submerged, or trailing to erect stems
growing among other plants. Habitat notes from Cornwall are as
follows. On wet peat or clay or in shallow water, in open acid
mires (commonly with or near sphagna), on low hummocks in
acidic flushes, in shallow oligotrophic pools and other wet,
seasonally wet, or at least moist places in heathland and
among old china-clay workings (in ditches and other wet
places, including edges of large pools). Grows in fully
insolated sites or partly shaded e.g. by bushes. By Ruan Pool
found in short vegetation on wet ground of mire that was
presumably circumneutral as Scorpidium scorpioides
and Pseudocalliergon
lycopodioides were present nearby. Other unusual records:
on granitic rocks in unshaded flush on heathy hillside (partly
associated with Nardia
compressa); small quantity on rock just above flood zone
beside river, under trees (with Lejeunea lamacerina;
perhaps having reached this site originally as
flotsam).
Other associates recorded: Calliergonella
cuspidata, Straminergon
stramineum, Campylopus flexuosus,
Chiloscyphus
pallescens, Cladopodiella
fluitans, Kurzia
pauciflora, Scapania irrigua, Sphagnum
capillifolium, Sphagnum cuspidatum,
Sphagnum
denticulatum, Sphagnum inundatum, Warnstorfia fluitans;
Drosera
rotundifolia, Eleocharis
multicaulis, Eriophorum
angustifolium, Galium palustre, Hydrocotyle vulgaris,
Hypericum elodes,
Juncus bulbosus, J. effusus, Molinia caerulea, Potamogeton
polygonifolius, Ulex
gallii.
One record c.fr.: few immature capsules 3 (NE of
Bugle, DTH, 5 Mar. 2005).
