McPherson along with his colleagues Alastair Robinson and Volker Heinrich have discovered more than 20 new varieties of pitcher plant in recent expeditions and have also made two rediscoveries.
One of those rediscoveries, Nepenthes deaniana, was first recorded in 1907 but was subsequently lost when the Philippine National Herbarium in Manila was bombed towards the end of World War II.
McPherson and his team believe they are the first explorers to observe the plant in the wild in over a century.
The Nepenthes deaniana produces a spectacular, football-sized, red pitchers that are large enough to catch insects and small animals.
In many of the traps, McPherson's team found giant centipedes and 10 centimeter-long spiders.
