A first century of new species of Stelis of Ecuador : addenda to the Lepanthes of Ecuador : addenda to Barbosella Dracula, Dresslerella, Lepanthopsis, Pleurothallis, Restrepia, Scaphosepalum, Teagueia and Trichosalpinx /
by: Luer, Carlyle August 1922-2019
Published: (2002)