Rubus nemoralis PJ Muell.
45
Wilberforce Rd, Cambridge, WH Mills, 21.8.1944, said by Mills to be 'evidently introduced', as R. selmeri [not conf. by BA Miles], CGE; still abundant along a short stretch of railings bordering a rough grass field at the southern edge of the road, AC Leslie et al., conf. AL Bull, 9.7.2001, PVT.