Systematics of the genus Sphaerobolus based on molecular and morphological data, with the description of Sphaerobolus ingoldii sp. nov.

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Abstract

Despite mycologists' interest in its unique spore-dispersal mechanism, systematic studies of the genus Sphaerobolus have received little attention. In our previous work multiple gene genealogies indicated the existence of three divergent lineages in the genus Sphaerobolus, each representing a phylogenetic species. Macro- and micromorphological analyses of colony and fruit-body characters presented here confirmed that these three phylogenetic species correspond to two known species, S. iowensis and S. stellatus, and a newly discovered species. In addition, an expanded gene genealogical analysis is presented for the three species. The new species, named Sphaerobolus ingoldii Geml, Davis et Geiser, is described based on both molecular and morphological data. In addition, while S. iowensis previously had been reported in only two localities, we found that it is as common as or more common than S. stellatus in North America. Despite the considerable amount of DNA polymorhism found in all species, nested clade analyses of S. iowensis and S. stellatus indicated little phylogeographic structure in either species, perhaps due to heavy movement mediated by human activities.

Original languageEnglish (US)
Pages (from-to)680-694
Number of pages15
JournalMycologia
Volume97
Issue number3
StatePublished - May 1 2005

Fingerprint

Sphaerobolus
taxonomy
Genealogy and Heraldry
new species
North America
Spores
Human Activities
Genes
spore dispersal
Fruit
phylogeny
fruiting bodies
DNA
genes
phylogenetics
genealogy
gene
spore
human activity
fruit

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Physiology
  • Molecular Biology
  • Genetics
  • Cell Biology

Cite this

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title = "Systematics of the genus Sphaerobolus based on molecular and morphological data, with the description of Sphaerobolus ingoldii sp. nov.",
abstract = "Despite mycologists' interest in its unique spore-dispersal mechanism, systematic studies of the genus Sphaerobolus have received little attention. In our previous work multiple gene genealogies indicated the existence of three divergent lineages in the genus Sphaerobolus, each representing a phylogenetic species. Macro- and micromorphological analyses of colony and fruit-body characters presented here confirmed that these three phylogenetic species correspond to two known species, S. iowensis and S. stellatus, and a newly discovered species. In addition, an expanded gene genealogical analysis is presented for the three species. The new species, named Sphaerobolus ingoldii Geml, Davis et Geiser, is described based on both molecular and morphological data. In addition, while S. iowensis previously had been reported in only two localities, we found that it is as common as or more common than S. stellatus in North America. Despite the considerable amount of DNA polymorhism found in all species, nested clade analyses of S. iowensis and S. stellatus indicated little phylogeographic structure in either species, perhaps due to heavy movement mediated by human activities.",
author = "J{\'o}zsef Geml and Davis, {Donald Durwood} and Geiser, {David Michael}",
year = "2005",
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T1 - Systematics of the genus Sphaerobolus based on molecular and morphological data, with the description of Sphaerobolus ingoldii sp. nov.

AU - Geml, József

AU - Davis, Donald Durwood

AU - Geiser, David Michael

PY - 2005/5/1

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N2 - Despite mycologists' interest in its unique spore-dispersal mechanism, systematic studies of the genus Sphaerobolus have received little attention. In our previous work multiple gene genealogies indicated the existence of three divergent lineages in the genus Sphaerobolus, each representing a phylogenetic species. Macro- and micromorphological analyses of colony and fruit-body characters presented here confirmed that these three phylogenetic species correspond to two known species, S. iowensis and S. stellatus, and a newly discovered species. In addition, an expanded gene genealogical analysis is presented for the three species. The new species, named Sphaerobolus ingoldii Geml, Davis et Geiser, is described based on both molecular and morphological data. In addition, while S. iowensis previously had been reported in only two localities, we found that it is as common as or more common than S. stellatus in North America. Despite the considerable amount of DNA polymorhism found in all species, nested clade analyses of S. iowensis and S. stellatus indicated little phylogeographic structure in either species, perhaps due to heavy movement mediated by human activities.

AB - Despite mycologists' interest in its unique spore-dispersal mechanism, systematic studies of the genus Sphaerobolus have received little attention. In our previous work multiple gene genealogies indicated the existence of three divergent lineages in the genus Sphaerobolus, each representing a phylogenetic species. Macro- and micromorphological analyses of colony and fruit-body characters presented here confirmed that these three phylogenetic species correspond to two known species, S. iowensis and S. stellatus, and a newly discovered species. In addition, an expanded gene genealogical analysis is presented for the three species. The new species, named Sphaerobolus ingoldii Geml, Davis et Geiser, is described based on both molecular and morphological data. In addition, while S. iowensis previously had been reported in only two localities, we found that it is as common as or more common than S. stellatus in North America. Despite the considerable amount of DNA polymorhism found in all species, nested clade analyses of S. iowensis and S. stellatus indicated little phylogeographic structure in either species, perhaps due to heavy movement mediated by human activities.

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