eta ▁featured ▁in ▁the ▁New ▁Tre es ▁book ▁compiled ▁in ▁ 2 0 0 9 ▁by ▁John ▁Gr im sh aw ▁for ▁the ▁International ▁D end ro log y ▁Society , ▁and ▁has ▁been ▁dedicated ▁in ▁trust ▁to ▁Illinois ▁College . ▁ ▁Guy ▁has ▁successfully ▁nominated ▁ 5 1 ▁current ▁or ▁former ▁state ▁champion ▁trees ▁in ▁Illinois , ▁six ▁national ▁champions , ▁and ▁a ▁few ▁more ▁in ▁Texas , ▁Neb r aska , ▁and ▁New ▁Mexico , ▁and ▁has ▁worked ▁with ▁the ▁National ▁Fam ous ▁and ▁Historic ▁Tree ▁Program ▁to ▁promote ▁aw aren ess ▁and ▁appreci ation ▁of ▁special ▁and ▁historic ▁trees . ▁He ▁has ▁consult ed ▁on ▁tree ▁management ▁for ▁the ▁Illinois ▁Office ▁of ▁the ▁Att orney ▁General , ▁the ▁Illinois ▁Department ▁of ▁Agricult ure , ▁the ▁Illinois ▁Department ▁of ▁Military ▁Affairs , ▁the ▁Illinois ▁Capital ▁Development ▁Board , ▁the ▁Illinois ▁Supreme ▁Court , ▁the ▁US ▁Air ▁Force , ▁the ▁National ▁Park ▁Service , ▁and ▁numerous ▁communities . ▁He ▁has ▁tra ve led ▁widely ▁studying ▁trees ▁and ▁their ▁habit ats ▁and ▁participated ▁in ▁educational ▁ex changes ▁with ▁the ▁national ▁d end ro log y ▁soci eties ▁of ▁Germany ▁and ▁Belg ium , ▁the ▁TE MA ▁Foundation ▁of ▁Turkey , ▁the ▁Kun ming ▁Institute ▁of ▁Bot any ▁in ▁China , ▁and ▁ar bor eta ▁throughout ▁North ▁America , ▁Europe , ▁and ▁Latin ▁America . ▁ ▁Stern berg ▁has ▁served ▁as ▁an ▁honor ary ▁director ▁for ▁Wild ▁On es : ▁Natural ▁Land sc apes , ▁lect ures ▁frequently ▁for ▁various ▁colleg es , ▁trade