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Bartsia lydiae, a new species of Bartsia sect. Laxae (Orobanchaceae) from the southern Peruvian Andes with a revised key to Bartsia sect. Laxae

. Phytotaxa. 164, 1 (Apr. 2014), 41–46. DOI:https://doi.org/10.11646/phytotaxa.164.1.4.