Pretty horrible looking bakeapple with fungus
Corresponding observation:
https://www.inaturalist.org/observations/244183692
M.J. Oldham 21204; specimen record, replicates at MICH 1461432; identified as Rubus chamaemorus by M.J. Oldham, !M.P. Widrlechner 2017; interdunal string bog; N end of Ile du Havre aux Maisons