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Habit of species of Placidiopsis . A, P. cavicola ; B, P. cinerascens ; C, P. cinereoides ; D, P. custnani .
Source publication
A taxonomic revision of the genus Placidiopsis in the Iberian Peninsula and the Balearic Islands is provided. A total of 500 specimens were studied. A detailed description of the morphology, anatomy, ecology, and distributional rank is presented for each species. Additionally, a key to Placidiopsis species is included. The genus is represented by f...
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Abstract:
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Citations
... La mayoría de ellas son especies con hábitos terrícolas y saxícolas, a las que tradicionalmente se les ha prestado menos atención. Estas aportaciones proceden de trabajos de diversidad de líquenes (Martínez et al. 2006, Aragón et al. 2006, 2022 o de estudios taxonómicos o filogenéticos focalizados en algunos géneros como Cladonia (Burgaz & Martínez 2008, Burgaz 2009, Pino-Bodas & Burgaz 2021, Collema (Carvalho 2012), Leptogium (Otálora et al. 2004(Otálora et al. , 2008, Placidiopsis (Prieto et al. 2011) o Xanthoparmelia (Blanco et al. 2004, Divakar et al. 2012. ...
Se aportan nuevos datos corológicos de seis especies de macrolíquenes. Ephebe lanata, Peltula omphaliza, Physcia albinea, Placidium michelii y Umbilicaria crustulosa se citan por primera vez en Castilla-La Mancha; además, se confirma la presencia de Teloschistes chrysophthalmus en Castilla-La Mancha que sólo estaba citado de principios del siglo XX
... A total of 500 quadrats were sampled. Biocrust communities were identified to the genus and the species level when possible, following Nimis and Martellos (2004), and Prieto et al. (2010aPrieto et al. ( , 2010b for Placidium. Nomenclature follows Hladun andLlimona (2002-2007), and Prieto et al. (2010aPrieto et al. ( , 2010b, except Clavascidium lacinulatum (Ach.) ...
... Biocrust communities were identified to the genus and the species level when possible, following Nimis and Martellos (2004), and Prieto et al. (2010aPrieto et al. ( , 2010b for Placidium. Nomenclature follows Hladun andLlimona (2002-2007), and Prieto et al. (2010aPrieto et al. ( , 2010b, except Clavascidium lacinulatum (Ach.) M. Prieto, which follows Prieto et al. (2012), Enchylium spp., which follow Otálora et al. (2014), and Gyalolechia spp., which follow Arup et al. (2013). ...
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Monocotyledons are one of the important groups of flowering plants that include
approximately 60,000 species with economically important crops including coconut (Cocos nuciferanucifera), pineapple (Ananas comosus comosus), and rice (Oryza sativa sativa). Studies on these hosts are mainly focused on pathogenic fungi; only a f ew saprobic species have been reported. This study investigated the saprobic ascomycetes associated with coconut, pineapple, and rice in southern China and northern Thailand. Approximately 200 specimens were collected, and 100 fungal strains were isolated and identified to 77 species based on phylogenetic approaches and morphological characteristics. Among the 77 species, 29, 38, and 12 were found on coconut, pineapple, and rice, respectively, distributed in Dothideomycetes (41), Eurotiomycetes (one), and S ordariomycetes (35). Pseudomycoleptodiscus , Pseudosaprodesmium Pseudosetoseptoria, Pseudostriatosphaeria and
Pseudoteichospora are introduced as new genera and Anthostomella cocois, Apiospora ananas, Chromolaenicola ananasi, Epicoccum yunnanensis, Exserohi lum ananas, Hypoxylon cocois, Lasiodiplodia ananasi, Muyocopron chiangraiense, Myrmecridium yunnanense, Occultitheca ananasi, Periconia chiangraiensis, Placidiopsis ananasi, Pseudomycoleptodiscus ananas, Pseudosaprodesmium cocois, Pseudosetoseptoria oryzae, Pseudostriatosphaeria chiangraiensis,
Pseudoteichospora thailandensis, Savoryella chiangraiensis, Savoryella cocois, and Tetraploa oryzae are introduced as novel species. In addition, 51 species are reported as new hosts or geographical records, and six species are reported as new collections. Pseudopithomyces pandanicola and P. palmicola are synonymized under P. chartarum, P. diversisporus synonymized under P. atro olivaceus based on phylogenetic analyses and morphological characteristics.
Moreover, comprehensive checklists of fungi associated with coconut, pineapple, and rice are also provided.
A preliminary checklist of lichen-forming and lichenicolous fungi of Castilla-La Mancha is presented. A total of 5064 records have been compiled from 204 publications. The number of taxa ascends to 832, of which 820 are species and 12 infraspecific taxa. Of these 763 are lichenized and 69 correspond to lichenicolous fungi.
Biocrusts are major contributors to dryland diversity, functioning, and services. However, little is known about how habitat degradation will impact multiple facets of biocrust diversity and measurable functional traits. We evaluated changes in taxonomic, functional, and phylogenetic diversity of biocrust‐forming lichens along a habitat degradation gradient related to the presence of linear infrastructure (i.e., a road) and a profound agricultural driven transformation. To do so, we selected 50 remnants of a Mediterranean shrubland. We considered several surrogates of habitat quality and causal disturbance on the various diversity facets of biocrusts by using structural equation modeling, hypothesizing that habitat degradation primarily affects functional diversity, which in turn regulates changes in taxonomic and phylogenetic diversities, and also that taxonomic and phylogenetic diversities are coupled. Fragment connectivity, distance to linear infrastructure (i.e., a road) and, particularly, soil fertility (i.e., soil P concentration), had mostly negative effects on biocrust functional diversity, which in turn affected both taxonomic and phylogenetic diversities. However, we found no direct effects of habitat degradation variables on the taxonomic and phylogenetic diversities. We also found that increases in phylogenetic diversity had a positive effect on taxonomic diversity along the habitat degradation gradient. Our results indicate that functional diversity of biocrusts is strongly affected by habitat degradation, which may profoundly alter their contribution to ecosystem functioning and services. Furthermore, functional diversity regulates the response of biocrust taxonomic and phylogenetic diversity to habitat degradation. These findings indicate that habitat degradation alters and simplifies the diversity of functional traits of biocrust‐forming lichens, leading to biodiversity loss, with important consequences for the conservation of global drylands biodiversity.
Se aportan datos taxonómicos, ecológicos y corológicos sobre 20 nuevos táxones para la flora liquénica de la Comunitat Valenciana. Muchas aportaciones también resultan significativas por su rareza a escala peninsular (Calicium notarisii, Caloplaca nana, Candelariella commutata, Dirina fallax, Lecania sambucina, Lecanora rupicola subsp. subplanata, Myriolecis reuteri, Rhizocarpon umbilicatum, Staurothele hymenogonia, Xanthoria aureola) o en los territorios mediterráneos ibéricos (Bryoria capillaris, Hydropunctaria maura, Ochrolechia alboflavescens, Verrucaria halizoa), destacando especialmente Candelariella commutata y Catinaria neuschildii que se citan por primera vez en la Península Ibérica.
Understanding patterns of habitat natural recovery after
human-made disturbances is critical for the conservation of ecosystems under
high environmental stress, such as drylands. In particular, the unassisted
establishment of nonvascular plants such as biological soil crusts or
biocrust communities (e.g., soil lichens, mosses and cyanobacteria) in newly
formed habitats is not yet fully understood. However, the potential of
biocrusts to improve soil structure and function at the early stages of
succession and promote ecosystem recovery is enormous. In this study, we
evaluated the capacity of lichen biocrusts to spontaneously establish and
develop on road slopes in a Mediterranean shrubland. We also compared
taxonomic and functional diversity of biocrusts between road slopes and
natural habitats in the surroundings. Biocrust richness and cover, species
composition, and functional structure were measured in 17 road slopes (nine
roadcuts and eight embankments) along a 13 km highway stretch. Topography, soil
properties and vascular plant communities of road slopes were also
characterized. We used Kruskal–Wallis tests and applied redundancy analysis
(RDA) to test the effect of environmental scenario (road slopes vs. natural
habitat) and other local factors on biocrust features. We found that
biocrusts were common in road slopes after ∼20 years of
construction with no human assistance needed. However, species richness and
cover were still lower than in natural remnants. Also, functional structure
was quite similar between roadcuts (i.e., after soil excavation) and natural
remnants, and topography and soil properties influenced species composition
while environmental scenario type and vascular plant cover did not. These
findings further support the idea of biocrusts as promising restoration
tools in drylands and confirm the critical role of edaphic factors in
biocrust establishment and development in land-use change scenarios.
Continuació del llistat de Bibliografia Naturalística de les Balears
A catalogue of 1228 taxa (1185 ascolichens, 3 basidiolichens and 40 lichenicolous fungi) found in Andalusia is afforded. The catalogue is based on bibliographic references and on MACB herbarium specimens. Of them, 11 are new records in Andalusia, 122 in Cordoba province, 1 in Granade province, 3 in Huelva province, 2 in Malaga province and 1 in Seville province. We propose the exclusion of 74 old references, because of the lack of any confirmation
