ph ine ▁Py ’ s ▁Web page ▁in ▁French ▁ ▁French ▁Tri ath lon ▁Federation ▁in ▁French ▁ ▁Category : F rench ▁female ▁tri ath let es ▁Category : 1 9 7 9 ▁birth s ▁Category : L iving ▁people ▁Category : S ports people ▁from ▁Mont pel lier <0x0A> </s> ▁The ▁American ▁El m ▁cultiv ar ▁Ul mus ▁amer icana ▁ ▁' She y enne ' ▁was ▁raised ▁by ▁the ▁Pl um field ▁Nur ser y , ▁F rem ont , ▁Neb r aska , ▁and ▁introduced ▁to ▁commerce ▁in ▁ 1 9 5 8 . ▁' She y enne ' ▁is ▁not ▁regarded ▁as ▁a ▁valid ▁cultiv ar ▁by ▁some ▁authorities . ▁ ▁Description ▁The ▁tree ▁is ▁briefly ▁described ▁as ▁' of ▁Northern ▁origin ' ▁and ▁' some what ▁v ase - sh aped ' ▁in ▁the ▁Pl um field ▁Nur ser y ▁wh oles ale ▁trade ▁list . ▁ ▁Cult iv ation ▁The ▁Pl um field ▁Nur ser y ▁ceased ▁trad ing ▁circa ▁ 1 9 8 0 ; ▁bere ft ▁of ▁any ▁known ▁resistance ▁to ▁Dutch ▁el m ▁disease ▁it ▁is ▁unlikely ▁the ▁tree ▁remains ▁in ▁cultiv ation ▁in ▁North ▁America ▁or ▁beyond . ▁ ▁Et ym ology ▁The ▁tree ▁was ▁named ▁for ▁the ▁town ▁of ▁She y enne ▁in ▁North ▁Dak ota , ▁itself ▁named ▁for ▁the ▁Great ▁Pla ins ▁tribe ▁of ▁Che y enne ▁( s ic ). ▁ ▁References ▁ ▁Category : American ▁el m ▁cultiv ar ▁Category : U l mus ▁articles ▁missing ▁images ▁Category