Kryptogamae Exsiccatae editae a Museo Palatino Vindobonensi
(IndExs #231863677)
Abbreviation: Keissler, Krypt. Exs. [Wien (Vienna)]
Editor(s): K. von Keissler
Range: 2601-3200
Notes: fungi/lichens, algae/cyanobacteria, bryophytes, bacteria/viruses; preceded by Zahlbruckner, Krypt. Exs. [Wien (Vienna)] (#401-2600); superseded by Petrak, Crypt. Exs. [Wien (Vienna)] (#3201-4700); usually cited as "Anonymous"; author changes given according Pfister (1985). For more detailed information see Stevenson (1971) p. 239; there are several numbers used again for issuing the same species in later times without any note on the labels