Rhus glabra (smooth sumac) - Botanical and ecological characteristics; distribution and occurrence; value and use; fire ecology. www.fs.fed.us/database/feis/plants/tree/rhugla
Rhus typhina - Staghorn sumac. Information on taxonomy, distribution and occurrence, values for wildlife, other values and uses, botanical and ecological characteristics, and fire ecology. www.fs.fed.us/database/feis/plants/tree/rhutyp