Achillea schischkinii Sosn. ex Grossh. (original description)
Amblyopogon woronowii Grossh. accepted as Psephellus xanthocephalus (DC.) Fisch. & C.A.Mey. ex Boiss. (original description)
Aster colchicus Albov ex Grossh. (original description)
Carduus atropatanicus Sosn. ex Grossh. accepted as Carduus onopordioides subsp. atropatanicus (Sosn. ex Grossh.) Greuter (original description)
Carduus kotovskyi Sosn. ex Grossh. (original description)
Centaurea caspia Grossh. (original description)
Centaurea transcaucasica Sosn. ex Grossh. (original description)
Chamaepeuce wachtangia (Woronow) Grossh. accepted as Ptilostemon echinocephalus (Willd.) Greuter (original description)
Chondrilla haiastana Sosn. ex Grossh. (original description)
Cicerbita pontica (Boiss.) Grossh. accepted as Prenanthes petiolata (K.Koch) Sennikov (original description)
Cirsium abkhasicum (Petr.) Grossh. accepted as Cirsium osseticum subsp. abkhasicum Petr. (original description)
Cirsium anatolicum (Petr.) Petr. ex Grossh. accepted as Cirsium leucocephalum (Willd.) Spreng. (original description)
Cirsium dimorphum Petr. ex Grossh. (original description)
Cirsium isophyllum (Petr.) Grossh. (original description)
Cirsium petrakii kozl. & Woronow ex Grossh. (original description)
Cirsium prasinolepis (Petr.) Grossh. accepted as Cirsium macrocephalum C.A.Mey. (original description)
Echinops grossheimii Iljin accepted as Echinops polygamus Bunge (original description)
Erigeron batumensis Vierh. ex Grossh. (original description)
Gnaphalium caucasicum Leskov ex Grossh. (original description)
Jurinea grossheimii Sosn. ex Grossh. (original description)
Lactuca salicifolia (K.Koch) Grossh. accepted as Lactuca kochiana Beauverd (original description)
Onopordum lanuginosum (Willd.) Sosn. ex Grossh. accepted as Carduus lanuginosus Willd. (original description)
Podospermum persepolitanum (Boiss.) Grossh. accepted as Scorzonera persepolitana Boiss. (original description)
Psephellus carthalinicus Sosn. (original description)
Psephellus colchicus Sosn. (original description)
Psephellus daghestanicus Sosn. (original description)
Psephellus karabaghensis Sosn. (original description)
Psephellus pambakensis Sosn. (original description)
Psephellus somcheticus Sosn. (original description)
Psephellus taochius Sosn. (original description)
Psephellus transcaucasicus Sosn. (original description)
Psephellus troitzkii Sosn. (original description)
Psephellus vvedenskii Sosn. (original description)
Psephellus woronowii Sosn. (original description)
Pyrethrum meyerianum Sosn. ex Grossh. (original description)
Pyrethrum oltense Sosn. ex Grossh. (original description)
Pyrethrum oxystegium Sosn. ex Grossh. (original description)
Pyrethrum punctatum Sosn. ex Grossh. (original description)
Pyrethrum roopianum Bordz. ex Grossh. (original description)
Pyrethrum sevanense Sosn. ex Grossh. accepted as Tanacetum parthenium (L.) Sch.Bip. (original description)
Pyrethrum sosnowskyanum Grossh. accepted as Tanacetum aureum (Lam.) Greuter & al. (original description)
Pyrethrum tamrutense Sosn. ex Grossh. (original description)
Scorzonera dzhawakhetica Sosn. ex Grossh. (original description)
Scorzonera ketzkhowelii Sosn. ex Grossh. (original description)
Scorzonera kozlowskyi Sosn. ex Grossh. (original description)
Senecio kryophilus Woronow ex Grossh. (original description)
Serratula radiata subsp. biebersteiniana Iljin ex Grossh. accepted as Klasea radiata subsp. biebersteiniana (Grossh.) Greuter (original description)
Serratula transcaucasica (Bornm.) Sosn. ex Grossh. accepted as Klasea haussknechtii (Boiss.) Holub (original description)
Solidago armena Kem.-Nath. ex Grossh. accepted as Solidago virgaurea subsp. armena (Grossh.) Greuter (original description)
Solidago turfosa Woronow ex Grossh. accepted as Solidago virgaurea subsp. turfosa (Grossh.) Greuter (original description)
Sonchus eryngiifolius Sosn. ex Grossh. accepted as Sonchus asper subsp. glaucescens (Jord.) Ball (original description)
Steptorhamphus petraeus (Fisch. & C.A.Mey.) Grossh. accepted as Lactuca tuberosa Jacq. (original description)
Steptorhamphus tuberosus (Jacq.) Grossh. accepted as Lactuca tuberosa Jacq. (original description)
Taraxacum armeniacum Schischk. (original description)
Taraxacum confusum Schischk. (original description)
Taraxacum desertorum Schischk. (original description)
Taraxacum grossheimii Schischk. (original description)
Taraxacum litvinovii Schischk. (original description)
Taraxacum praticola Schischk. accepted as Taraxacum prilipkoi Czerep. (original description)
Taraxacum schelkovnikovii Schischk. (original description)
Tragopogon colchicus Albov ex Grossh. (original description)
Tragopogon flexuosus Sosn. ex Grossh. accepted as Tragopogon marginatus Boiss. & Buhse (original description)