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Salt marsh bird's-beak and Point Reyes bird's-beak single nucleotide polymorphism genotype data from California, USA and Baja California, MX

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: October 01, 2026 at 01:36 AM | Dataset Last Updated: September 28, 2026 at 12:00 AM
This dataset contains 58 samples from 10 occurrences of Chloropyron maritimum subsp. maritimum (salt marsh bird's-beak), and 2 occurrences of Chloropyron maritimum subsp. palustre (Point Reyes bird's-beak). Genomic markers were generated from ddRAD loci and analyzed using the Stacks v2.68 pipeline. The genotypes for all samples are provided in a VCF file with 18,031 loci . A companion sample data file is provided with sample names, and occurrence designations, and other data. These files may be opened and edited in a text editor program, such as Notepad (PC) or BBEdit (Mac). The .vcf file can be loaded into the Stacks population program to calculate genetic diversity statistics, or loaded into R, using vcfR, for further analysis. Short sequence reads generated for this project are publicly available under NCBI BioProject accession PRJNA1227921 (https://www.ncbi.nlm.nih.gov/bioproject/PRJNA1227921) and PRJNA1227546 (https://www.ncbi.nlm.nih.gov/bioproject/PRJNA1227546). Variant call format (VCF) and comma‑separated values (CSV) files derived from these reads are provided within this ScienceBase data release (https://doi.org/10.5066/P15ZVKBA).

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