Below are some links to books about pleurothallids that you might want to add to your library.
Masdevallia and Affiliates
by Lisa Thoerle
Icones Pleurothallidinarum Volume 30
by Carlyle A. Luer
Volume 30 of the Icones Pleurothallidinarum is now available for purchase through MBG for $80 plus $12.60 for U.S. shipping.
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