Ryan Russell places hand on Rhus glabra

November 10, 2013 | 6:00 a.m. CST
Ryan Russell, the city horticulturist, places his hand on a Rhus glabra (smooth sumac) at Albert-Oakland Park on Oct. 29. Russell hunts champion trees in his spare time. He has found 14 of the state's 111 champions, about six of which are at MU.

RELATED STORIES: Tree hunter becomes state champion in his own right