SPAR methods revealed high genetic diversity within populations and high gene flow of Vanda coerulea Griff ex Lindl (Blue Vanda), an endangered orchid species

► First study on genetic diversity of Vanda coerulea in Northeast India ► Thirty-two genotypes across seven wild populations were used for the study. ► SPAR methods revealed high genetic diversity within populations and high gene flow. ► The best conservation method is to protect the existing natural populations.