2014
DOI: 10.3852/13-314
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The genus Alwisia (Myxomycetes) revalidated, with two species new to science

Abstract: Based on morphological investigations and a phylogeny constructed with partial sequences of the SSU rDNA gene, we revalidate the genus Alwisia and propose the combination Alwisia bombarda Berk. & Broome to be used against Tubifera bombarda (Berk. & Broome) G.W. Martin. Two new species, Alwisia morula and A. repens, are described based on material collected respectively in Costa Rica and Australia. Both new species lack a capillitium and possess individually stalked subspherical sporothecae. Alwisia repens diff… Show more

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Cited by 36 publications
(23 citation statements)
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“…We could not carry out these calculations in the present study because most of the species are represented only by one specimen. We, however, can compare our data with the natural threshold values proposed by Leontyev et al (2015) to distinguish among species within the bright-spored myxomycetes. The value proposed for distinguishing species within the bright-spored myxomycetes is p = 0.11-0.15, indicating that if the difference between two partial 18S genotypes is lower than 0.11 then they both belong to the same species whereas if the calculated p value is higher than 0.15 they belong to different species (Leontyev et al 2015).…”
Section: Etymologymentioning
confidence: 91%
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“…We could not carry out these calculations in the present study because most of the species are represented only by one specimen. We, however, can compare our data with the natural threshold values proposed by Leontyev et al (2015) to distinguish among species within the bright-spored myxomycetes. The value proposed for distinguishing species within the bright-spored myxomycetes is p = 0.11-0.15, indicating that if the difference between two partial 18S genotypes is lower than 0.11 then they both belong to the same species whereas if the calculated p value is higher than 0.15 they belong to different species (Leontyev et al 2015).…”
Section: Etymologymentioning
confidence: 91%
“…We, however, can compare our data with the natural threshold values proposed by Leontyev et al (2015) to distinguish among species within the bright-spored myxomycetes. The value proposed for distinguishing species within the bright-spored myxomycetes is p = 0.11-0.15, indicating that if the difference between two partial 18S genotypes is lower than 0.11 then they both belong to the same species whereas if the calculated p value is higher than 0.15 they belong to different species (Leontyev et al 2015). Therefore the value p = 0.08 obtained by comparing sequences of Perichaena longipes from Panama and Costa Rica corresponds to only intraspecies genetic diversity and does not suggest the separation into separate species.…”
Section: Etymologymentioning
confidence: 91%
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