During the expedition, he collected plants, of which 122 species collected at an altitude of 5,000 feet (1,525 m) were listed by Henry Nicholas Ridley.
在探险过程中，他收集了不同植物，其中在海拔5000英尺(1525米)收集到的22种植物被亨利·尼古拉斯·里德利（Henry Nicholas Ridle）列入了名錄。