Johnson, R. K.Wurm, S. A.2021-12-012021-12-01858831597PL-C40.807http://hdl.handle.net/1885/253084application/pdf© 1977 R. K. Johnsonhttp://creativecommons.org/licenses/by-sa/4.0English in Papua New Guinea197710.15144/PL-C40.807 2021-12-01Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)