Genetic and metadata dataset for four species of the Limonium confusum aggregate, highlighting three apomictic evolutionary significant units (SSR, Viridiplantae, Plumbaginaceae)

README — Metadata and GenMapper Data Tables General Description This dataset is composed of two complementary files used in the study: METADATA — Contains contextual and geographical information about botanical samples (field surveys, observations, and taxonomic data). DATA_SSR — Contains multilocus genotyping results exported from GenMapper, corresponding to microsatellite markers (SSR) analyzed for each sample. The two files are linked through the column Sample_Name, which uniquely identifies each biological sample across datasets. 1. METADATA File — Observation and Survey Information Description This file contains metadata associated with botanical field observations and surveys from which the genotyped samples originate.Each record provides details about the sampling event, location, and taxonomy. Structure Column name Description Sample_Name Unique identifier of the biological sample, linking to the DATA_SSR file. nom_org_f Name of the organization or project that performed the survey. date_releve_deb Start date of the field survey. date_releve_fin End date of the field survey. nom_obs Name of the main observer or observation team. id_precision Precision level of the location (e.g., exact, approximate, commune level). resolution Spatial resolution of the record, in meters. x_l93, y_l93 Lambert-93 coordinates. lon_wgs84, lat_wgs84 WGS84 geographic coordinates. commune, insee_comm, insee_dept Municipality name and INSEE codes. lieudit Locality name (if available). comm_loc Comment about the location or survey context. pays Country name. nom_cite Taxon name as originally recorded. cd_nom, cd_ref Taxonomic codes from TaxRef. nom_complet, nom_reconnu Full and accepted scientific names. rang, tax_type, famille Taxonomic rank, type, and botanical family. plage_nb_pieds Estimated number of individuals observed. comm_taxon Comment about the taxon (identification notes, remarks, etc.). nom_programme Program or project name under which the survey was carried out. 2. DATA_SSR File — GenMapper Genotyping Data Description This file contains multilocus genotyping data produced with GenMapper.Each row represents a single allele measurement for a given marker and sample. The column Sample_Name directly corresponds to the same identifier used in the METADATA file, enabling linkage between genetic data and field metadata. Structure Column name Description Sample_Name Unique identifier of the biological sample (link to METADATA). Panel Name of the multiplex or marker set used for genotyping. Marker Name or identifier of the genetic locus (microsatellite). Dye Fluorescent dye label used for allele detection. Allele 1, Allele 2, Allele 3 Detected alleles at the locus (in base pairs). Data Characteristics Allele sizes are expressed in base pairs (bp). Missing or undetected alleles appear as empty fields. The presence of three alleles may indicate polyploid individuals. Data Access and Usage Both METADATA and DATA_SSR files contain information derived from SIMETHIS and SINP.These data are confidential and restricted to authorized research projects. Any redistribution, publication, or online sharing is strictly prohibited without prior authorization from the relevant Conservatoire Botanique National.The Sample_Name identifiers must not be used to infer or disclose sensitive location or taxonomic information. Version and Contact File version: 1.0Creation date: 21/10/2025 Data owner / manager:Cyllene ChatellierInstitut Méditerranéen de Biodiversité et d'Écologie Marine et Continentale (IMBE)Marseille, Provence-Alpes-Côte d’Azur, France Contact: [e-mail]