Occurred at a marl pit, Alder Forest (SJ7499, DP Earl, 1991) and in this area
(SJ79P, MPG Tolfree, & C Walsh, 2003). There are records for (SJ 7497 &
SJ7597, Greater Manchester Plant Atlas c. 1991).
Formerly abundant at Kersal Moor Clough (SD8102, Wood 1840); Agecroft
(SD8001, LH Grindon, 1844, MANCH); pit beyond Barton (SJ7397, Buxton
1849); banks of the canal at Clifton (Grindon 1859); marshy fields at
Pendlebury (Grindon 1859).
