Novel major loci shape habitat-associated flowering time variation in Yellowstone monkeyflowers

Plants harbor remarkable genetic diversity in flowering phenology, particularly in their responses to environmental cues such as photoperiod. Understanding the genetic basis of repeated evolution in flowering cues, which are key to reproduction, illuminates adaptation with gene flow and parallel evolution. We characterized variation in minimum critical daylength for flowering (MCD) in yellow monkeyflower (Mimulus guttatus) accessions from a geothermal soil mosaic in Yellowstone National Park, mapped loci underlying the most extreme MCD in focal thermal annuals, and investigated environmental variables shaping phenology in the field. Yellowstone monkeyflowers range in MCD from 12-15 hours, paralleling range-wide variation in M. guttatus; plants from thermal habitats flower under significantly shorter daylengths. Two QTLs govern the most extreme 12-hour MCD. Both contain candidates from gene families previously implicated in phenological evolution in monkeyflowers and other angiosperms, b..., , # Novel major loci shape habitat-associated flowering time variation in Yellowstone monkeyflowers

Dataset DOI: [10.5061/dryad.pvmcvdnxr](10.5061/dryad.pvmcvdnxr)

## Description of the data and file structure

These files contain the data for experiments investigating the diversity, genomic basis, and environmental influences on minimum daylength for flowering in Yellowstone National Park (YNP) *Mimulus guttatus*.

* inbredLine_Daylength_screen_forDryad.txt contains information about which YNP inbred lines flowered under 12, 13, 14, and 15-hour days.

- AHQsd_linkage_mapforDryad and AHQsd_QTL_map_forDryad.txt contain the data from QTL mapping of 12-hour flowering using an AHQT x AHQN (thermal x nonthermal) F2 mapping population.

* sd6_inbredLines_genotypes_forDryad.txt contains genotypes from whole-genome sequenced inbred lines, within the strongest daylength QTL on Chr 6.

- sd11_mafClust_WGS_med_stand_coverage_forDryad.txt contains median-standardized coverage values for each site w...,