Evidence map›Paper›PMID 31529289›Full record

ArticleJournal of plant research2019

An update and reassessment of fern and lycophyte diversity data in the Japanese Archipelago.

Atsushi Ebihara, Joel H Nitta

Erratum issuedAbstract read
In one paragraph

Article in Journal of plant research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed.

  1. PhytoKeys · 2026
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

2 authors.

Atsushi EbiharaDepartment of Botany, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba, Ibaraki, 305-0005, Japan. ebihara@kahaku.go.jp.ORCID http://orcid.org/0000-0002-7380-3598
Joel H NittaDepartment of Botany, National Museum of Natural History, Smithsonian Institute, Washington, DC, 20013, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The fern and lycophyte flora of Japan comprising 721 native taxa (including subspecies and varieties) plus 371 interspecific hybrids was reassessed using a nearly comprehensively sampled distribution map at 10 km resolution vouchered by 216,687 specimens, up-to-date cytotaxonomic information covering 74% of the taxa, and an rbcL sequence dataset covering 97.9% of the taxa. Spatial distribution of species richness and phylogenetic diversity was visualized. Apomixis was observed in 11.0% of the native taxa whose reproductive modes are known. The number of sexually reproducing polyploid taxa (n = 199) is less than sexual diploids (n = 241), and 30 of them are evidently allopolyploid, in contrast with the low number of possible autopolyploids (n = 4). Apomictic taxa were found to have smaller latitudinal ranges than sexual taxa or taxa with multiple reproductive modes. A morphological character dataset in Lucid format is provided for taxonomic identification of the native taxa.

Indexed as

BiodiversityDNA, PlantEvolution, MolecularFernsJapanLycopodiaceaeSelaginellaceaeDNA, PlantInteractive keysOccurrence dataPhylogenetic diversitySpecies richness

Identifiers

PMID31529289
PMCPMC6831535

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.