旧大陆的猪笼草
In his 2009 book, "Pitcher Plants of the Old World", Stewart McPherson writes that "N. mantalingajanensis" is "not currently threatened" owing to its extensive populations on Mount Mantalingajan and the remote nature of the mountain. Mount Mantalingajan is already afforded Protected Area status and there is local interest in having it recognised as a UNESCO World Heritage Site.