Bonplandia. Zeitschrift für die gesammte Botanik - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (C. Rmpler, 1861)

Index Kewensis. names of seed-bearing plants at the rank of family and below published between January 1981 and the end of 1985 with some omissions from earlier years Supplement eighteen - Royal Botanic Gardens, Kew. (Clarendon Press, 1987)

The Orchadian - Australasian Native Orchid Society (The Society, 1983)

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

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