Exploring a critically endangered pitcher plant Nepenthes rigidifolia and predicting its distribution habitat in North Sumatra, Indonesia - Elga Renjana; Elok Rifqi Firdiana; Tri Handayani; Joko R. Witono; Linda Wige Ningrum; Mustaid Siregar; Inggit Puji Astuti; Iyan Robiansyah; Vandra Kurniawan; Izu Andry Fijridiyanto; Melisnawati H. Angio; Esti Munawaroh; et al. (Journal for Nature Conservation, 2024)