Fig. 4From: Phylogenomics, plastome degradation and mycoheterotrophy evolution of Neottieae (Orchidaceae), with emphasis on the systematic position and Loess Plateau-Changbai Mountains disjunction of DiplandrorchisPotential distribution of D. sinica inferred by maxent modeling. a the mid-Pliocene Warm Period (mPWP; 3.205 Ma). b the Marine Isotope Stage 19 (MIS19; ~ 0.787 Ma). c the Last Interglacial (~ 0.13 Ma). d current conditions. The dark red lines indicate 0 °C isotherms derived from the mean temperature of coldest quarter in each periodBack to article page