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October 2022
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109 Reads
Campylopus introflexus es una especie de musgo acrocárpico nativa del hemisferio sur, pero que ha sido introducida en numerosas zonas del hemisferio norte donde actúa como invasora. En este artículo se analiza la presencia de esta especie en Tenerife (Islas Canarias, España) así como el marco temporal de su historia de invasión.
September 2022
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109 Reads
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1 Citation
Journal of Bryology
February 2019
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8 Reads
Specimens included in the molecular analyses and GenBank accession numbers. New accessions from this study are in italics. Numbers between brackets after taxon ID correspond to the specimens included in molecular analyses as used in Figs 1 and 7. Samples originally identified as Orthotrichum kellmanii appear under this name in the table. (PDF)
February 2019
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501 Reads
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13 Citations
Biogeography, systematics and taxonomy are complementary scientific disciplines. To understand a species’ origin, migration routes, distribution and evolutionary history, it is first necessary to establish its taxonomic boundaries. Here, we use an integrative approach that takes advantage of complementary disciplines to resolve an intriguing scientific question. Populations of an unknown moss found in the Canary Islands (Tenerife Island) resembled two different Californian endemic species: Orthotrichum shevockii and O. kellmanii. To determine whether this moss belongs to either of these species and, if so, to explain its presence on this distant oceanic island, we combined the evaluation of morphological qualitative characters, statistical morphometric analyses of quantitative traits, and molecular phylogenetic inferences. Our results suggest that the two Californian mosses are conspecific, and that the Canarian populations belong to this putative species, with only one taxon thus involved. Orthotrichum shevockii (the priority name) is therefore recognized as a morphologically variable species that exhibits a transcontinental disjunction between western North America and the Canary Islands. Within its distribution range, the area of occupancy is limited, a notable feature among bryophytes at the intraspecific level. To explain this disjunction, divergence time and ancestral area estimation analyses are carried out and further support the hypothesis of a long-distance dispersal event from California to Tenerife Island.
February 2019
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8 Reads
Selection of samples used for morphological analyses. DNA ID numbers correspond to the specimens included in molecular analyses as used in Fig 1 and S2 Appendix. (PDF)
February 2019
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6 Reads
Quantitative morphological data. (XLSX)
February 2019
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15 Reads
Pairwise nucleotide differences among the ingroup sequences of the Orthotrichum shevockii group. (PDF)
February 2019
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11 Reads
Results of the principal component analysis (PCA) representing the first three components. The percentage of variance explained by each component is given in brackets. Arrows represent the variables included in the analyses. cos2 represents the squared loadings for variables. ! = samples originally identified as Orthotrichum kellmanii. (TIF)
February 2019
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12 Reads
Molecular dating using a distinct nuclear and plastid nucleotide substitution rate. Maximum clade credibility tree from the relaxed molecular-clock analysis of the four loci in BEAST from analysis II with a distinct rate for the plastid (5.0E-4 (2–8E-4) subst./site/ma) and nuclear partitions (4.13E-3 (1.72–8.34E-3) subst./site/ma). Black and grey circles at nodes refer to node support of PP >0.95 and PP >0.75 - <0.95, respectively. Identification number and geographical origin follow sequence labels. In the case of Orthotrichum shevockii, sequence labels are also followed by number identification between brackets as in Fig 1 and S2 Appendix (*** = isotype material of O. kellmanii). (TIF)
February 2019
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9 Reads
Marginal likelihood (MLE) and Bayes factor (BF) values for alternative clocks and models tested in BEAST. The best model is marked in bold. (PDF)
... Conversely, many species of Orthotrichaceae exhibit remarkably wide ranges, including intercontinental disjunct distributions. Several taxonomic integrative studies have confirmed the existence of species whose distribution genuinely involves more than one continent (Caparroś et al., 2016;Vigalondo et al., 2016;Vigalondo et al., 2019b;Flagmeier et al., 2021). However, there are other cases where complexes of pseudo-cryptic species, restricted to a single continent or archipelago, have been unveiled (Medina et al., 2012Vigalondo et al., 2019a;Lara et al., 2020). ...
February 2019
... This paper is based on published data on the current Cape Verde list [8], along with significant contributions from Frahm et al. [11], González-Mancebo et al. [12], Ellis et al. [13,14], Cano [15], Jiménez and Cano [16], Sérgio and Stow [17], Dirkse et al. [18], Sérgio and Melo [19], Sim-Sim et al. [20], and Ellis et al. [21], previously referred in Garcia et al. [9], and the more recently publication by Martins et al. [10]. The nomenclature for families and the majority of bryophyte taxa follows Hodgetts et al. [22], and Wigginton [23], for African liverwort and hornwort taxa (Classes Anthocerotopsida, Jungermanniopsida, and Marchantiopsida) and O'Shea [6] for the mosses (Class Bryopsida), with exceptions including Cano [15], for Tortula solmsii, Jiménez and Cano [16] for Didymodon caboverdensis, Luna [24], for Hedwigidium integrifolium, and Martins et al. [10] for Exormotheca martinsloussaoae Sim-Sim, A.Martins, J.Patiño & C.A.Garcia. ...
January 2018
Cryptogamie Bryologie
... Eighteen of the 19 described species in section Piliferae occur in South Africa and Lesotho, with a 19 th species (Riccia boumanii Dirkse, Losada-Lima & Stech 2016: 96) recently described from the Canary Islands (Dirkse et al. 2016) which was also very recently found in China (Xiang et al 2022). It is uniquely characterised by plants with uniseriate, dorsal epidermal cells in bi-or multicellular pillars, frequently giving the dorsal surface a velvety or scurfy appearance as well as generally large ventral scales along the flanks, typically hyaline or bicoloured. ...
May 2016
Journal of Bryology
... until now, it has been found two times in Germany and at the Neusiedler See in Austria (zechmeister 2005). Other locations are steppe regions in Europe and Russia as summarized in Pisarenko et al. (2001), Israel (Herrnstadt et al.1991), Central Asia (Pisarenko et al. 2001), the Mediterranean region including Sicily (Cano et al. 1999), Northern Africa (Cano et al. 1999, Ros & Cano 2008 and the Canary Islands Fuerteventura and Lanzarote (Dirkse et al. 2011). Some of these records are a consequence of taxonomic revisions, in which some taxa were synonymized with E. hungaricus, e.g. ...
January 2011
Cryptogamie Bryologie
... R. cavernosa was first reported from Alaska (Dirkse and Losada-lima, 2011) and in India from Pachmarhi (M.P.) ( Bapna and Kachroo, 2000) It was earlier described as R. robusta (Kashayap,1929) and R. crystallina (Bapna and Kachroo, 2000).However, a detail comparative morphotaxanomical study of R teneriffae and R cavernosa concluded that R cavernosa is a valid and accepted name throughout the world (Dirkse and Losada-lima 2011).R. glauca is widely distributed in European country and Russia and in India it was reported from Guhati (Assam) R. ruppinensis, R.venosa, and R. major were earlier synonyms of R. glauca and on the basis of priority R. glauca has been conserved (Bapna and Kachroo, 2000). ...
June 2011
Journal of Bryology
... La nomenclatura seguida es la de Ros et al. (2013) para musgos, con excepción de Bryum muehlenbeckii Bruch & Schimp. (Guerra et al., 2010) y Andreaea heinemannii (Dirkse & Losada-Lima, 2010), y la de Söderström et al. (2016) para hepáticas y antocerotas. ...
March 2010
Journal of Bryology
... In temperate forests, the diversity of epiphytic bryophytes is influenced first and foremost by large-scale environmental factors, such as geography and climate [43]. Small-scale environmental factors such as light, temperature, and humidity in the forest also greatly affect bryophyte diversity [42][43][44][45], leading to changes in the distribution pattern of bryophytes in the forest [6][7][8][46][47][48]. BPPs such as bark water content, drying rate, and pH, as well as some chemical properties, influence the epiphytic preference of bryophytes [7]. ...
January 2009
The Bryologist
