*1: Unshaded, partly
bare, damp sand in disused sand quarry, with sparse low
vegetation, occurring over tens of square metres, ca 5 m alt., Phillack
Towans, SW53, 2003, DTH 03-443 (BBSUK)
(Rothero 2004a: 41).
This is the only record from Cornwall. B. dyffrynense is an
uncommon coastal species described new to science by Holyoak
(2003b).
The single record from Cornwall was of scattered
plants and small open patches occurring abundantly over tens
of square metres on unshaded, partly bare, damp sand on floor
of a disused sand
quarry, with sparse low vegetation. With Aneura pinguis, Bryum
pseudotriquetrum,
Didymodon tophaceus, Dicranella varia, Petalophyllum
ralfsii.
Specimens collected on 18 Sep. 2003 had axillary
bulbils and young capsules. On 20 Feb. 2005 only sparse
immature plants seen (with few bulbils).
