Various links that help you properly identify American chestnuts along the trail.
PDF document, 949.7 KB
Gary Carver put together this collection of historic files dealing with distinguishing between the various chestnut species.
PDF document, 941.8 KB
These pages were meant to be printed and laminated for use in the field while searching for chestnuts. The file may not be formatted properly for your printer to be created into two-sided cards, but could still be a useful resource.