Beorc

According to the Old English Dictionary:

berc, byrc, byric

beorc

a birch-tree. Add:--Beta berc arbor dicitur, Txts. 44, 133. Berc bitulus, 45, 298. Byrc populus Wrt. Voc. i. 33, 2: 80, 13. Byric populus betulus, An. Ox. 56, 364, 365. beorc