land ▁and ▁forest ▁west ▁of ▁the ▁Mississippi , ▁and ▁the ▁spin yst ar ▁E . ▁viv ip ara , ▁distributed ▁across ▁the ▁US ▁and ▁into ▁Canada , ▁first ▁described ▁by ▁N utt all ▁in ▁ 1 8 1 3 . ▁ ▁Esc ob aria ▁was ▁defined ▁by ▁Nathan iel ▁Brit ton ▁and ▁Joseph ▁Rose ▁in ▁their ▁major ▁work ▁The ▁C act aceae ▁( 1 9 2 3 ); ▁they ▁named ▁the ▁genus ▁after ▁R óm ulo ▁and ▁N uma ▁Esc obar . ▁The ▁c act i ▁of ▁this ▁genus ▁bear ▁many ▁similar ities ▁to ▁C ory ph anth a ▁and ▁M amm ill aria . ▁Two ▁species ▁were ▁recently ▁moved ▁to ▁A char ag ma . ▁ ▁Tax onomy ▁The ▁following ▁gener a ▁have ▁been ▁brought ▁into ▁syn onym y ▁with ▁Esc ob aria : ▁C och ise ia ▁W . H . E ar le ▁Esc ob esse ya ▁H ester ▁F ob ea ▁F ric ▁( nom . ▁in val .) ▁Ne ob esse ya ▁Brit ton ▁& ▁Rose ▁ ▁Notes ▁ ▁S ources ▁ ▁Anderson , ▁Edward ▁F . ▁( 2 0 0 1 ) ▁The ▁C act us ▁Family ▁Tim ber ▁Press , ▁Port land , ▁Oregon , ▁pp .   3 0 7 – 3 1 4 , ▁▁ ▁Gen us ▁Esc ob aria ▁Eng / De / C z ▁ ▁Category : C act o ide ae ▁gener a <0x0A> </s> ▁Henry ▁Cec il ▁D ud geon ▁D ' Ar cy ▁V C ▁( 1 1 ▁August