Seven Micarea (Pilocarpaceae) species new to Germany and notes on deficiently known species in the Bavarian Forest

Weber, Lilith Marie; Printzen, Christian; Bässler, Claus; Kantelinen, Annina

doi:10.13158/heia.34.1.2021.5

Cited by 4 publications

(2 citation statements)

References 32 publications

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“…Relevant literature on species ecology was also studied (Coppins 1983; Coppins & Tønsberg 2001; Czarnota 2007; Czarnota & Guzow-Krzemińska 2010; van den Boom et al 2017; Guzow-Krzemińska et al 2016 & 2019; Myllys & Launis 2018; Konoreva et al 2019; Launis & Myllys 2019; Launis et al 2019a, b; van den Boom et al 2020; Kantelinen et al 2021b; Weber et al 2021), and our results are in line with it. Some of the specimens studied by previous authors are not included in our data set, however, because substrate and reproduction mode for the specimen is rarely reported.…”

Section: Methodssupporting

confidence: 88%

Lichen speciation is sparked by a substrate requirement shift and reproduction mode differentiation

Kantelinen

Printzen

Poczai

et al. 2022

Preprint

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We show that obligate lignicoles in lichenized Micarea are predominately asexual whereas most facultative lignicoles reproduce sexually. Our 3 loci phylogenetic analyses (ITS, mtSSU, Mcm7) together with ancestral state reconstruction show that the shift in reproduction mode has evolved independently several times within the group and that facultative and obligate lignicoles are sister species. The analyses support the assumption that the ancestor of these species was a facultative lignicole. We hypotezise that a shift in substrate requirement from bark to wood leads to differentiation in reproduction mode and becomes a driver of speciation. This is the first example of lichenized fungi where reproduction mode is linked to substrate requirement. This is also the first example where such a linkage is demonstrated to spark lichen speciation. Our main hypothesis is that obligate species on dead wood need to colonize new suitable substrata relatively fast and asexual reproduction is more effective a strategy for successful colonization. Our main hypothesis for explaining the discovered phenomenon involves the species life cycle: species on decaying wood face a significant challenge because the ecological properties of their substratum change relatively fast. When this happens, species need to colonize new suitable substrata. This may set a time limit, where asexual reproduction is a faster and more effective strategy for successful colonization.

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Section: Methodssupporting

confidence: 88%

Lichen speciation is sparked by a substrate requirement shift and reproduction mode differentiation

Kantelinen

Printzen

Poczai

et al. 2022

Preprint

Self Cite

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“…The species has been reported recently from the Bavarian Forest National Park as new to Germany (Weber et al 2021). We found it in the periphery of a willow swamp forest in a municipal park in the city of Kiel, where other lichens dependent on semi-natural habitats, such as Bacidia arceutina , have also been observed.…”

Section: Methodsmentioning

confidence: 99%

Additional records of lichenised and lichenicolous fungi from Schleswig-Holstein and Mecklenburg-Western Pomerania

Neumann¹,

Brackel²,

Dolnik³

et al. 2023

Herzogia

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Neumann, P., Brackel, W. v., Dolnik, C., Cezanne, R., Eichler, M., Schiefelbein, U. & Schultz, M. 2023. Additional records of lichenised and lichenicolous fungi from Schleswig-Holstein and Mecklenburg-Western Pomerania. – Herzogia 36: 29 –51.Records of a total of 91 taxa are reported, among these 51 lichens, 39 lichenicolous fungi and one lichen-allied fungus. Diplotomma parasiticum, Inoderma subabietinum, Lepraria sylvicola, Lichenochora aprica, L. collematum, Lichenoconium aeruginosum, Rhagadostoma collematum and Taeniolella trapeliopseos are new to Germany. Bactrospora corticola, Calicium notarisii and Lecidea diducens, thought to be lost throughout Germany, were rediscovered. Arthonia mediella, Micarea tomentosa, Parmotrema pseudoreticulatum as well as the lichenicolous fungi Abrothallus caerulescens, Cercidospora macrospora, Chaenothecopsis debilis, Cladosporium licheniphilum, Corynespora laevistipitata, Phaeospora lecanorae, Phoma peltigerae, Taeniolella cladinicola and Xenonectriella physciacearum are recorded for northern Germany for the first time. For Schleswig-Holstein 51 species are added to the lichen flora, 21 previously extinct taxa were rediscovered. Twenty-two taxa are new to Mecklenburg-Western Pomerania.

show abstract

Lichen speciation is sparked by a substrate requirement shift and reproduction mode differentiation

Kantelinen

Printzen

Poczai

et al. 2022

Sci Rep

View full text Add to dashboard Cite

We show that obligate lignicoles in lichenized Micarea are predominately asexual whereas most facultative lignicoles reproduce sexually. Our phylogenetic analyses (ITS, mtSSU, Mcm7) together with ancestral state reconstruction show that the shift in reproduction mode has evolved independently several times within the group and that facultative and obligate lignicoles are sister species. The analyses support the assumption that the ancestor of these species was a facultative lignicole. We hypothezise that a shift in substrate requirement from bark to wood leads to differentiation in reproduction mode and becomes a driver of speciation. This is the first example of lichenized fungi where reproduction mode is connected to substrate requirement. This is also the first example where such an association is demonstrated to spark lichen speciation. Our main hypothesis is that obligate species on dead wood need to colonize new suitable substrata relatively fast and asexual reproduction is more effective a strategy for successful colonization.

show abstract

Seven Micarea (Pilocarpaceae) species new to Germany and notes on deficiently known species in the Bavarian Forest

Cited by 4 publications

References 32 publications

Lichen speciation is sparked by a substrate requirement shift and reproduction mode differentiation

Lichen speciation is sparked by a substrate requirement shift and reproduction mode differentiation

Additional records of lichenised and lichenicolous fungi from Schleswig-Holstein and Mecklenburg-Western Pomerania

Lichen speciation is sparked by a substrate requirement shift and reproduction mode differentiation

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