By organism › Green plants › Sphagnaceae › Sphagnum lescurii

Observationobservedoriginal resultmeasured

Claim · model-written summary

There was limited evidence of introgression between allodiploid and haploid S. lescurii.

Taxon: S. lescuriiSphagnum lescuriie0
Outcome: introgression between allodiploid and haploid S. lescuriie0
Qualifier: limited (but some)e0

Verbatim

e0
“There was limited (but some) evidence of introgression between allodiploid and haploid S. lescurii”
✓ located verbatim in the source · abstract, characters 1666–1764

Title

Interploidal hybridization and mating patterns in the Sphagnum subsecundum complex

M. RICCA; P. SZÖVÉNYI; E. M. TEMSCH; et al. Molecular Ecology 2011. doi:10.1111/j.1365-294x.2011.05170.x

Other claims from this paper (9)

Observation Triploid hybrid sporophytes occurred.
Observation Triploid hybrid sporophytes were larger than nonhybrids.
Observation Triploid hybrid sporophytes had very low germination.
Observation Sporelings of triploid hybrids developed more slowly than nonhybrids.
Observation All sporophytes on haploid gametophytes were triploid and sired by diploid males.
Observation All sporophytes on diploid gametophytes were tetraploid.
Observation Haploid male gametophytes were absent.
Observation All sporelings from triploid sporophytes were triploid.
Observation Triploid-derived sporelings were genetically variable.

Observationobservedoriginal resultmeasured

Claim · model-written summary

S. lescurii and S. inundatum each include haploid and diploid populations.

Taxon: Sphagnum lescuriiSphagnum lescuriie0
Outcome: both haploid and diploid populationse0

Verbatim

e0
“Two taxonomic species, Sphagnum lescurii and Sphagnum inundatum, include both haploid and diploid populations”
✓ located verbatim in the source · abstract, characters 480–589

Title

Allopolyploidy and homoploid hybridization in the Sphagnum subsecundum complex (Sphagnaceae: Bryophyta)

MARIANA RICCA; A. JONATHAN SHAW Biological Journal of the Linnean Society 2009. doi:10.1111/j.1095-8312.2009.01340.x

Other claims from this paper (6)

Observation The species were not genetically differentiated within ploidy levels.
Observation Diploid taxa showed fixed heterozygosity consistent with allopolyploidy.
Observation Diploid S. lescurii arose from haploid S. lescurii and S. subsecundum.
Observation S. carolinianum arose from haploid S. lescurii and an unknown parent.
Observation Homoploid hybridization occurred between S. contortum and S. subsecundum.
Observation Three diploid S. platyphyllum samples had allopolyploid origins.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The species were not genetically differentiated within ploidy levels.

Taxon: S. lescuriiSphagnum lescuriie0
Outcome: not genetically differentiatede0
Comparator: S. inundatume0

Verbatim

e0
“Within each ploidal level, S. lescurii and S. inundatum are not genetically differentiated”
✓ located verbatim in the source · abstract, characters 591–681

Title

Allopolyploidy and homoploid hybridization in the Sphagnum subsecundum complex (Sphagnaceae: Bryophyta)

MARIANA RICCA; A. JONATHAN SHAW Biological Journal of the Linnean Society 2009. doi:10.1111/j.1095-8312.2009.01340.x

Other claims from this paper (6)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Diploid S. lescurii arose from haploid S. lescurii and S. subsecundum.

Taxon: S. lescuriiSphagnum lescuriie0
Outcome: allopolyploid between haploid S. lescurii and (haploid) S. subsecundume0

Verbatim

e0
“Diploid S. lescurii is an allopolyploid between haploid S. lescurii and (haploid) S. subsecundum”
✓ located verbatim in the source · abstract, characters 811–907

Title

Allopolyploidy and homoploid hybridization in the Sphagnum subsecundum complex (Sphagnaceae: Bryophyta)

MARIANA RICCA; A. JONATHAN SHAW Biological Journal of the Linnean Society 2009. doi:10.1111/j.1095-8312.2009.01340.x

Other claims from this paper (6)

Observation S. lescurii and S. inundatum each include haploid and diploid populations.
Observation The species were not genetically differentiated within ploidy levels.
Observation Diploid taxa showed fixed heterozygosity consistent with allopolyploidy.
Observation S. carolinianum arose from haploid S. lescurii and an unknown parent.
Observation Homoploid hybridization occurred between S. contortum and S. subsecundum.
Observation Three diploid S. platyphyllum samples had allopolyploid origins.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Some plants of S. lescurii are heterozygous at most microsatellite loci, but others have only one allele at each locus.

Taxon: S. lescuriiSphagnum lescuriie0
Outcome: heterozygous at most loci, but others have only one allele at each locuse0

Verbatim

e0
“Microsatellite analyses indicated that some plants of S. inundatum and S. lescurii are heterozygous at most loci, but others have only one allele at each locus”
✓ located verbatim in the source · abstract, characters 248–407

Title

Cytotype variation and allopolyploidy in North American species of the Sphagnum subsecundum complex (Sphagnaceae)

Mariana Ricca; Francis W. Beecher; Sandra B. Boles; et al. American Journal of Botany 2008. doi:10.3732/ajb.0800148

Other claims from this paper (10)

Observationobservedoriginal resultmeasured

Claim · model-written summary

S. lescurii includes both haploid and diploid populations.

Taxon: S. lescuriiSphagnum lescuriie0
Outcome: include both haploid and diploid populationse0

Verbatim

e0
“S. lescurii and S. inundatum include both haploid and diploid populations”
✓ located verbatim in the source · abstract, characters 749–822

Title

Cytotype variation and allopolyploidy in North American species of the Sphagnum subsecundum complex (Sphagnaceae)

Mariana Ricca; Francis W. Beecher; Sandra B. Boles; et al. American Journal of Botany 2008. doi:10.3732/ajb.0800148

Other claims from this paper (10)

Associationobservedoriginal resultmeasured

Claim · model-written summary

The frequency of diploid plants in S. lescurii increases with latitude.

Taxon: S. lescuriiSphagnum lescuriie0
Outcome: frequency of diploid plantse0
Direction: increasese0
Setting: latitudee0

Verbatim

e0
“The frequency of diploid plants in S. lescurii increases with latitude”
✓ located verbatim in the source · abstract, characters 824–894

Title

Cytotype variation and allopolyploidy in North American species of the Sphagnum subsecundum complex (Sphagnaceae)

Mariana Ricca; Francis W. Beecher; Sandra B. Boles; et al. American Journal of Botany 2008. doi:10.3732/ajb.0800148

Other claims from this paper (10)

Observationobservedoriginal resultmeasured

Claim · model-written summary

In one population of S. lescurii, haploid and diploid cytotypes co-occurred but were genetically differentiated, with no evidence of interbreeding.

Taxon: S. lescuriiSphagnum lescuriie0
Outcome: both cytotypes co-occurred but were genetically differentiated with no evidence of interbreedinge0

Verbatim

e0
“In an analysis of one population of S. lescurii, both cytotypes co-occurred but were genetically differentiated with no evidence of interbreeding”
✓ located verbatim in the source · abstract, characters 896–1041

Title

Cytotype variation and allopolyploidy in North American species of the Sphagnum subsecundum complex (Sphagnaceae)

Mariana Ricca; Francis W. Beecher; Sandra B. Boles; et al. American Journal of Botany 2008. doi:10.3732/ajb.0800148

Other claims from this paper (10)

Observationobservedoriginal resultmeasured

Claim · model-written summary

The Sphagnum spore exine consists of two layers, an inner lamellate A layer and a thick homogenous outer B layer.

Taxon: Sphagnum lescuriiSphagnum lescuriit0
Organ / stage: spore exinee1
Outcome: two layerse1
Qualifier: inner, lamellate layer (A layer) and a thick, homogenous, outer layer (B layer)e1

Verbatim

t0
“Spore wall development in Sphagnum lescurii”
✓ located verbatim in the source · title, characters 0–43

e1
“The Sphagnum spore exine consists of two layers: an inner, lamellate layer (A layer) and a thick, homogenous, outer layer (B layer)”
✓ located verbatim in the source · abstract, characters 55–186

Title

Spore wall development in Sphagnum lescurii

Roy Curtiss Brown; Betty E. Lemmon; Zane B. Carothers Canadian Journal of Botany 1982. doi:10.1139/b82-293

Other claims from this paper (11)

Observationobservedoriginal resultmeasured

Claim · model-written summary

The spore wall of Sphagnum is unique in the Bryophyta, unlike the exine of other mosses.

Taxon: Sphagnum lescuriiSphagnum lescuriit0
Outcome: spore walle0
Qualifier: unique in the Bryophytae0
Comparator: other mossese2

Verbatim

t0
“Spore wall development in Sphagnum lescurii”
✓ located verbatim in the source · title, characters 0–43

e0
“The spore wall of Sphagnum is unique in the Bryophyta”
✓ located verbatim in the source · abstract, characters 0–53

e2
“The exine of other mosses consists of only the outermost homogenous layer and, at most, a thin ill-defined opaque layer”
✓ located verbatim in the source · abstract, characters 188–307

Title

Spore wall development in Sphagnum lescurii

Roy Curtiss Brown; Betty E. Lemmon; Zane B. Carothers Canadian Journal of Botany 1982. doi:10.1139/b82-293

Other claims from this paper (11)

Sphagnum lescurii 20 claims

20 claims