| Evolution of complex symbiotic relationships in a morphologically derived family of lichen‐forming fungi PK Divakar, A Crespo, M Wedin, SD Leavitt, DL Hawksworth, L Myllys, ... New Phytologist 208 (4), 1217-1226, 2015 | 144 | 2015 |
| World survey of the genus Lepraria (Stereocaulaceae, lichenized Ascomycota) S Lauri, S Andres, T Randlane The Lichenologist 41 (1), 25-60, 2009 | 128 | 2009 |
| Second checklist of lichenized, lichenicolous and allied fungi of Estonia T Randlane, A Saag, I Jüriado Estonian Naturalists' Society, 1999 | 119 | 1999 |
| Key to European Usnea species T Randlane, T TõRRA, A Saag, L Saag Bibliotheca lichenologica 100, 419-462, 2009 | 109 | 2009 |
| Lichenized, lichenicolous and allied fungi of Estonia T Randlane, A Saag, A Suija Ver. December 31, 2015, 2015 | 74 | 2015 |
| Phylogeny of the cetrarioid core (Parmeliaceae) based on five genetic markers A Thell, F Högnabba, T FEUERER, I KÄRNEFELT, L MYLLYS, ... The Lichenologist 41 (5), 489-511, 2009 | 74 | 2009 |
| Evaluation of traditionally circumscribed species in the lichen-forming genus Usnea, section Usnea (Parmeliaceae, Ascomycota) using a six-locus dataset K Mark, L Saag, SD Leavitt, S Will-Wolf, MP Nelsen, T Tõrra, A Saag, ... Organisms Diversity & Evolution 16, 497-524, 2016 | 56 | 2016 |
| Evolutionary relationships in some cetrarioid genera (Lichenized Ascomycota) A Saag Tartu University Press, 1998 | 41 | 1998 |
| Species delimitation in the lichenized fungal genus Vulpicida (Parmeliaceae, Ascomycota) using gene concatenation and coalescent‐based species tree approaches L Saag, K Mark, A Saag, T Randlane American Journal of Botany 101 (12), 2169-2182, 2014 | 35 | 2014 |
| Phylogenetic relations of European shrubby taxa of the genus Usnea S Lauri, T Torra, S Andres, DELP Ruth, T Randlane The Lichenologist 43 (5), 427-444, 2011 | 33 | 2011 |
| Cetrarioid lichens containing usnic acid from the Tibetan area T Randlane, A Saag, W Obermayer Mycotaxon 80, 389-426, 2001 | 33 | 2001 |
| Chemical and morphological variation in the genus Cetrelia in the Soviet Union T Randlane, A Saag The Lichenologist 23 (2), 113-126, 1991 | 33 | 1991 |
| The genus Flavocetraria Kärnef. & Thell (Parmeliaceae) and its affinities. I Kärnefelt, A Thell, T Randlane, A Saag Acta Botanica Fennica 150, 79-86, 1994 | 32 | 1994 |
| A second updated world list of cetrarioid lichens T Randlane, A Saag, A Thell Bryologist, 109-122, 1997 | 31 | 1997 |
| New data about the genera Cetrariopsis, Cetreliopsis and Nephromopsis (fam. Parmeliaceae, lichenized Ascomycotina) T Randlane, A Thell, A Saag Cryptogamie. Bryologie, lichénologie 16 (1), 35-60, 1995 | 27 | 1995 |
| Diversity of lichens and bryophytes in hybrid aspen plantations in Estonia depends on landscape structure T Randlane, T Tullus, A Saag, R Lutter, A Tullus, A Helm, H Tullus, ... Canadian Journal of Forest Research 47 (9), 1202-1214, 2017 | 26 | 2017 |
| Survey of Lepraria and Leprocaulon in Greenland L Saag, ES Hansen, A Saag, T Randlane Mycotaxon 102, 57-90, 2007 | 26 | 2007 |
| Eesti pisisamblikud T Randlane, A Saag, I Jüriado | 26 | 2004 |
| Distribution patterns of some primary and secondary cetrarioid species T Randlane, A Saag Symb Bot Ups 34 (1), 359-376, 2004 | 25 | 2004 |
| The lichen genus Allocetraria (Ascomycotina, Parmeliaceae). A Thell, T Randlane, I Kärnefelt, X Gao, A Saag The geobotanical and phytotaxonomical study group, Botanical Institute …, 1995 | 24 | 1995 |
