Don Lubin, has been leading classes and field trips for the Society since 1998, often co-teaching with Ray Abair. He also grows 45 mostly native ferns in his small urban garden, collects rare specimens for herbariums, surveys conservation areas for pteridophyte biodiversity, and maintains a fern website.

Raymond Abair, a specialist on ferns and fern allies, orchids, lichens and mosses, received a Certificate in Native Plant Studies from the Society. Ray's special interest is the woodferns and their hybrids.