Mushroom spores inoculated into oak logs
February 8, 2012 | 10:37 p.m. CSTInoculated oak logs sit in rows Jan. 22 at Ozark Forest Mushrooms farm. Spots mark the locations on the oak logs where shiitake mushroom spores were inserted. After inoculation, logs are carefully stacked on a forest hillside. The mushrooms will eventually be sold to restaurants and country clubs in the St. Louis area.