Drs. Sandra Ahlum and Lent Johnson

HANNIBAL, Mo. — The Tree of the Month for June is a ginkgo tree on Hyacinth Avenue. The Hannibal Tree Board choose the tree at 2505 Hyacinth Ave in the yard of the home owned by Dr. Sandra Ahlum and Dr. Lent Johnson. The Ginkgo Biloba is one of the oldest living tree species in…