▁and ▁a ▁height ▁of ▁, ▁the ▁Ul mus ▁× ▁hol land ica ▁hy brid ▁el m ▁on ▁Great ▁Sal ing ▁Green , ▁Great ▁Sal ing , ▁near ▁Bra int ree , ▁Es sex , ▁reck oned ▁at ▁least ▁ 3 5 0 ▁years ▁old , ▁was ▁re put edly ▁the ▁largest ▁el m ▁in ▁England , ▁before ▁succ umb ing ▁to ▁Dutch ▁El m ▁D ise ase ▁in ▁the ▁ 1 9 8 0 s ; ▁El w es ▁and ▁Henry ▁( 1 9 1 3 ) ▁mis ident ified ▁it ▁as ▁U . ▁nit ens ▁( U l mus ▁minor ). ▁ ▁Ex amples ▁of ▁m ature ▁surv iv ors ▁in ▁the ▁East ▁Ang li an ▁hy brid isation ▁zone ▁include ▁those ▁near ▁Ro yst on , ▁H ert ford shire , ▁designated ▁' El m ▁of ▁the ▁Year , ▁ 2 0 0 4 ' ▁by ▁Das ▁Ul men ▁Bü ro . ▁An ▁example ▁of ▁the ▁we eping ▁form ▁surv ives ▁at ▁Act ons ▁Farm , ▁S aw bridge worth , ▁H ert ford shire . ▁ ▁There ▁are ▁two ▁notable ▁T RO BI ▁Champion ▁trees ▁in ▁the ▁British ▁Is les , ▁one ▁at ▁Little ▁Bla ken ham , ▁Su ff olk , ▁meas uring ▁? ▁high ▁by ▁ ▁d . b . h . ▁in ▁ 2 0 0 8 , ▁the ▁other ▁at ▁N oun s ley , ▁Es sex , ▁ ▁high ▁by ▁ ▁d . b . h . ▁in ▁ 2 0 0 5 . ▁