, ▁in ▁the ▁U . S . ▁state ▁of ▁Missouri . ▁ ▁Clay ▁Township ▁was ▁founded ▁in ▁ 1 8 4 2 , ▁taking ▁its ▁name ▁from ▁Henry ▁Clay ▁of ▁Kentucky . ▁ ▁References ▁ ▁Category : T own ships ▁in ▁Missouri ▁Category : T own ships ▁in ▁Harrison ▁County , ▁Missouri <0x0A> </s> ▁Nu ph ar ▁car l qu ist ii ▁is ▁an ▁ext inct ▁species ▁of ▁flow ering ▁plant ▁in ▁the ▁family ▁N ym pha e aceae ▁related ▁to ▁the ▁modern ▁sp atter d ock , ▁Nu ph ar ▁ad ven a . ▁ ▁The ▁species ▁is ▁known ▁from ▁foss il ▁se eds ▁and ▁f ruits ▁found ▁in ▁the ▁early ▁E oc ene ▁depos its ▁of ▁northern ▁Washington ▁State , ▁United ▁States , ▁and ▁a ▁similar ▁aged ▁formation ▁in ▁British ▁Columbia , ▁Canada . ▁ ▁History ▁and ▁classification ▁Nu ph ar ▁car l qu ist ii ▁foss ils ▁have ▁been ▁identified ▁from ▁two ▁locations ▁in ▁Western ▁North ▁America , ▁the ▁ 4 9 ▁million ▁year ▁old ▁Kl ond ike ▁Mountain ▁Form ation ▁near ▁Republic , ▁Washington ▁and ▁at ▁the ▁Thomas ▁R anch ▁local ity ▁near ▁Pr inc eton , ▁British ▁Columbia . ▁Perm iner al ized ▁se eds ▁identified ▁as ▁the ▁ext inct ▁N ym pha e aceae ▁genus ▁Allen by a ▁has ▁been ▁identified ▁from ▁the ▁related ▁Ok an agan ▁High lands ▁Pr inc eton ▁ch ert ▁site ▁in ▁south ▁central ▁British ▁Columbia . ▁ ▁A ges ▁for ▁the ▁Ok an agan ▁High land ▁locations ▁are , ▁in ▁general ,