y ena ▁and ▁F rit i all aria ▁t at ian ae . ▁ ▁From ▁ 1 9 2 9 ▁he ▁moved ▁to ▁the ▁T if lis ▁( T bil isi ) ▁Botan ic ▁Garden ▁in ▁Georgia . ▁He ▁still ▁carried ▁on ▁plant ▁collect ing ▁exped itions ▁in ▁the ▁C au cas us . ▁ ▁Between ▁ 1 9 2 8 ▁and ▁ 1 9 3 4 , ▁he ▁recorded ▁up ▁to ▁ 5 7 6 7 ▁plant ▁species ▁( out ▁of ▁the ▁ 6 2 0 0 ▁recorded ▁species ) ▁in ▁his ▁volumes ▁of ▁Flora ▁K av aza ▁( Fl ora ▁of ▁the ▁C au cas us , ▁ 1 9 2 8 - 1 9 3 4 ). ▁In ▁ 1 9 3 9 , ▁he ▁started ▁a ▁second ▁volume ▁with ▁annot ated ▁maps . ▁ ▁In ▁ 1 9 4 6 , ▁G ross heim ▁was ▁appointed ▁cur ator ▁of ▁the ▁C au cas ian ▁Her b arium ▁at ▁the ▁Kom ar ov ▁Botan ical ▁Institute ▁in ▁L ening rad ▁( Saint ▁Petersburg ), ▁and ▁also ▁director ▁of ▁the ▁Department ▁of ▁Plant ▁System at ics ▁and ▁Mor ph ology ▁at ▁St . ▁Petersburg ▁University . ▁When ▁he ▁died ▁in ▁ 1 9 4 8 , ▁he ▁was ▁still ▁working ▁on ▁the ▁second ▁edition ▁of ▁his ▁Flora ▁K av kaz a , ▁which ▁was ▁continued ▁by ▁his ▁colle ague ▁Andre j ▁Fed or ov . ▁ ▁Los ina - Los in sk aya ▁named ▁F rit ill aria ▁gross heim iana