Fig. 1
From: Compatibility systems and pollinator dependency in morning glory species (Convolvulaceae)
Study area in Nong Khai, Thailand. (A) Map of Nong Khai province showing the locations where data were collected for each of the 15 Convolvulaceae study species, represented by different colors. Colored circles with a white outline were examined in 2017–2019, while colored circles with a black outline were examined in 2022–2023. (B) Location of Nong Khai province within Thailand. Maps were created in R using packages “ggmap” and “ggplot2”