This 2006 release in this folio series continues the Carl Luer taxonomic consideration of these pleurothallid orchids. Sixteen species are illustrated by Stig Dahstrom: Masdevallia amoena Luer, M. calcarata Luer & V.N.M. Rao, M.josei Luer, M. lappifera Luer & Hirtz, M. leonardoi Luer, M. leonii D.E. Benn & Christenson, M. lynniana Luer, M. mentosa Luer, M. naevia Luer & V.N.M. Rao, M. ostaurina Luer & V.N.M. Rao, M. pollux Luer & Cloes, M. priscellana Luer & V.N.M. Rao, M. trautmanniana. Luer & J.J. Portilla, M. virgo-cuencae Luer & Andreetta, M. wuelfinghoffiana Luer & J.J. Portillo, and M. zumbuehlerae Luer. Accompanying each full page watercolor illustration is the species taxonomic description, discussion, black and white line art, and distribution map.
The elephant folio (11.75 x 16.5 inches) series is gum-bound to facilitate binding with previous fascicles from the series or for splitting as individual art prints.