| Cremanthodium Benth SW Liu, ID Illarionova Flora Reipublicae Popularis Sinicae 77 (2), 115-171, 1989 | 43 | 1989 |
| Ligularia SW Liu, ID Illarionova Flora of China 20, 371-544, 2011 | 35 | 2011 |
| Ligularia Cassini SW Liu, ID Illarionova, ZY Wu, PH Raven Flora of China, vols, 20-21, 2011 | 35* | 2011 |
| Generic delimitation of the subtribe Ixeridinae newly segregated from Crepidiinae (Asteraceae-Lactuceae) AN Sennikov, ID Illarionova Komarovia 5 (2), 57-115, 2008 | 34 | 2008 |
| Ligularia Cass SW Liu, ID Illarionova Flora Reipublicae Popularis Sinicae 77 (2), 4-115, 1989 | 31 | 1989 |
| Senecioneae YL Chen, SW Liu, Y Liu, QE Yang, B Nordenstam, ID Illarionova, C Jeffrey, ... Flora of China 20, 21, 2011 | 12 | 2011 |
| Synopsis of the genus Pugionium Gaertn.(Brassicaceae) ID Illarionova Komarovia 1, 35-37, 1999 | 12 | 1999 |
| Transfer of Senecio karelinioides (Asteraceae−Senecioneae) to Synotis based on evidence from morphology, karyology and ITS/ETS sequence data HM Li, GA Lazkov, ID Illarionova, TJ Tong, YY Shao, C Ren Nordic Journal of Botany 36 (7), e01838, 2018 | 11 | 2018 |
| Carpological studies in Asteraceae–Cichorieae, 1. Subtribe Hieraciinae AN Sennikov, ID Illarionova Komarovia 2, 97-125, 2002 | 10 | 2002 |
| Reclassification of Prenanthes pendula (Asteraceae: Lactuceae) AN Sennikov, ID Illarionova Compositae Newsl 34, 53-57, 1999 | 10 | 1999 |
| Circumscription and phylogenetic position of Ligularia sect. Stenostegia (Asteraceae: Senecioneae) based on morphological, cytological, and molecular … C Ren, L Wang, ID Illarionova, QE Yang TAXON 69 (4), 739-755, 2020 | 9 | 2020 |
| Morphological and anatomical structure of achenes in the genus Prenanthes sl (Asteraceae) AN Sennikov, ID Illarionova Botanicheskii Zhurnal 86 (10), 56-66, 2001 | 9 | 2001 |
| Lysimachia candida Lindl.(Primulaceae), an extinct species and also a new record species to Taiwan TYA Yang, A Grabovskaya, I Illarionova, CH Chen Taiwania 57 (4), 434-442, 2012 | 8 | 2012 |
| Taxonomic notes on sections Corymbosae and Subracemosae of genus Ligularia (Asteraceae). I Illarionova Journal of Japanese Botany 89 (6), 365-375, 2014 | 7 | 2014 |
| Genus Ligularia Cass.(Asteraceae) in Asia centrali ID Illarionova Novitates Systematicae Plantarum Vascularium 38, 229-244, 2006 | 6 | 2006 |
| Morphological and anatomical structure of the achenes of the genus Hieracium (Asteraceae) and related genera AN Sennikov, ID Illarionova Bot. J.(St. Petersburg) 86 (3), 37-59, 2001 | 6* | 2001 |
| Type specimens of Korean vascular plants in the Herbarium of the Komarov Botanical Institute (LE) AE Grabovskaya-Borodina, ID Illarionova, IV Tatanov, BY Lee, CE Lim Journal of species research 2 (2), 191-202, 2013 | 5 | 2013 |
| Ultrasculpture of the fruits surface of Azerbaijan Nonea species (Boraginaceae Juss.). VN Karimov, ID Illarionova Turczaninowia 21 (1), 66-80, 2018 | 4 | 2018 |
| Ligularia muliensis (Asteraceae, Senecioneae) is merged with L. tsangchanensis I Illarionova, L Wang, QE Yang Phytotaxa 299 (2), 169-184, 2017 | 4 | 2017 |
| The genus Ligularia (Asteraceae, Senecioneae) in flora of the Russian Far East. ID Illarionova Botanicheskiĭ Zhurnal 98 (9), 1147-1165, 2013 | 4 | 2013 |
