…of men and orchids… (Band 1)

Thüringens Orchideen (2014)

The Stanhopea Book (2010)

Orchid seed diversity – A scanning electron microscopy survey (2014)

Dank-o-pedilum Spezial (2015) – Paphiopedilum Naturformen

Orchideen (2014)

Der Kosmos Pflanzenführer (2014)