The Orchadian - Australasian Native Orchid Society (The Society, 2005)

The Orchadian - Australasian Native Orchid Society (The Society, 2008)

Repertorium specierum novarum regni vegetabilis Beihefte (Verlag des Repertoriums, 1914)

Repertorium specierum novarum regni vegetabilis Beihefte (Verlag des Repertoriums, 1914)