OOIR: Observatory of International Research

Papers

(The TQCC of Lichenologist is 2. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-04-01 to 2024-04-01.)

Article	Citations
Lichen algae: the photosynthetic partners in lichen symbioses	43
Photoprotection in lichens: adaptations of photobionts to high light	31
High levels of endemism and local differentiation in the fungal and algal symbionts of saxicolous lecideoid lichens along a latitudinal gradient in southern South America	19
Crittendenia gen. nov., a new lichenicolous lineage in the Agaricostilbomycetes (Pucciniomycotina), and a review of the biology, phylogeny and classification of lichenicolous heterobasidiomycet	10
Optimization of usnic acid extraction conditions using fractional factorial design	8
Weak recovery of epiphytic lichen communities in Sweden over 20 years of rapid air pollution decline	7
A molecular phylogenetic evaluation of theRamalina siliquosacomplex, with notes on species circumscription and relationships withinRamalina	7
Contributions to the knowledge of lichenicolous fungi growing on baeomycetoid lichens andIcmadophila, with a key to the species	7
The globally threatened epiphytic cyanolichenErioderma pedicellatumdepends on a rare combination of habitat factors	6
Shade lichens are characterized by rapid relaxation of non-photochemical quenching on transition to darkness	6
Factors influencing the diversity and distribution of epiphytic lichens and bryophytes on the relict tree Zelkova abelicea (Lam.) Boiss. (Ulmaceae)	6
Lichens and microbial syntrophies offer models for an interdependent route to multicellularity	6
A worldwide key to species of Carbacanthographis (Graphidaceae), with 17 species new to science	6
Stigonema associated with boreal Stereocaulon possesses the alternative vanadium nitrogenase	6
Climate change refugia: landscape, stand and tree-scale microclimates in epiphyte community composition	5
Lithocalla (Ascomycota, Lecanorales), a new genus of leprose lichens containing usnic acid	5
Three new species of crustose Teloschistaceae in Siberia and the Far East	5
A revision of species of the Parmelia saxatilis complex in the Iberian Peninsula with the description of P. rojoi, a new potentially relict species	5
Key to Heterodermia (Physciaceae, Teloschistales) in Brazil, with 15 new species	4
Usnea dasopoga(Ach.) Nyl. andU. barbata(L.) F. H. Wigg. (Ascomycetes,Parmeliaceae) are two different species: a plea for reliable identifications in molecular studies	4
Morphological and phylogenetic analyses of Toniniopsis subincompta s. lat. (Ramalinaceae, Lecanorales) in Eurasia	4
Adaptions of photosynthesis in sun and shade in populations of some Afromontane lichens	4
A taxonomic reassessment of the genusSticta(lichenized Ascomycota:Peltigeraceae) in the Hawaiian archipelago	4
A molecular phylogeny of Pilocarpaceae Zahlbr., including a new species of Tapellaria Müll. Arg. and new records of foliicolous lichenized fungi from Thailand	4
A preliminary phylogeny of theLecanora saligna-group, with notes on species delimitation	4

Fossil Usnea and similar fruticose lichens from Palaeogene amber	4
Thelopsis challenges the generic circumscription in the Gyalectaceae and brings new insights to the taxonomy of Ramonia	4
New methods for mycocalicioid fungi	4
The lichen genus Villophora (Teloschistaceae, Ascomycota)	4
Corticolous lichen species as indicators of disturbed/undisturbed vegetation types in the central mountains of Sri Lanka	4
Four new Micarea species from the montane cloud forests of Taita Hills, Kenya	3
Estimates of abundance and biomass of cephalodia and their relationship to nitrogen deposition in some British populations ofLobaria pulmonaria(L.) Hoffm.	3
Stressed out: the effects of heat stress and parasitism on gene expression of the lichen-forming fungus Lobaria pulmonaria	3
The genera Brianaria (Psoraceae) and Micarea (Pilocarpaceae) in Japan, with reports on other interesting species in Asia	3
A new species of Synarthonia from Luxembourg, and a new combination in the genus Reichlingia (Arthoniaceae)	3
Acetone rinsing tolerance of the lichen species Cladonia foliacea is considerable	3
Umbilicaria orientalis– a new species ofUmbilicariasubg.Papillophorawith an East Asian distribution: morphological delimitation and molecular evidence	3
A hypervolume approach to niche specialism, tested for the old-growth indicator status of calicioids	2
An updated world key to the species of Acanthothecis s. lat. (Ascomycota: Graphidaceae), with ten new species from Brazil	2
New species of Arthoniales from Cape Verde with an enlarged concept of the genus Ingaderia	2
Factors at multiple scales influence the composition of terricolous lichen communities in temperate semi-arid sandy grasslands	2
Contributions to the lichen genus Cresponea (Roccellaceae)	2
Sunscreening pigments shape the horizontal distribution of pendent hair lichens in the lower canopy of unmanaged coniferous forests	2
Testing carbon and nitrogen sources for the in vitro growth of the model lichenized fungus Endocarpon pusillum Hedw.	2
Local-scale panmixia in the lichenized fungus Xanthoria parietina contrasts with substantial genetic structure in its Trebouxia photobionts	2
Clypeococcum wedinii (Dothideomycetes), a new lichenicolous fungus on Bunodophoron, with an updated key to species of Clypeococcum	2
Deciduous trees as lichen phorophytes: biodiversity and colonization patterns under common garden conditions	2
The strange case of Ocellomma rediuntum (Arthoniales: Roccellaceae) in Australia: a remarkably disjunct lichen	2
Quinone reductase activity is widespread in lichens	2
A molecular study of the lichen genus Byssoloma Trevisan (Pilocarpaceae) with descriptions of three new species from China	2
Genetic variability in thePhysconia muscigenagroup (Physciaceae, Ascomycota) in the Northern Hemisphere	2
Verrucariaceae from Nepal	2