Field number: P 223
Collector: Jörg and Brigitte Piltz
Species: Gymnocalycium mazanense v. polycephalum
Locality: Sierra de Velasco, La Rioja, Argentina
Note: no distinction is made above according to capitalisation, so e.g. KK, Kk and kk are all treated the same.
Major parts of the initial data for this query service were provided by Dave Whiteley and Petr Antálek. Other data were supplied by, inter alia, Giovanna Anceschi, Gérard Ardisson, Jean-André Audissou, Karl Augustin, Geoff Bailey, Brian Bates, Jürgen Beck, Ludwig Bercht, Tomasz Blaczkowski, Ignazio Blando, Clazien Bouwman-van Egmond, Ingo Breuer, Sylvain Burgaud, Alan Butler, Graham Charles, Philippe Corman, Kádár Csaba, Rodrigo Dacal, Amante Darmanin, Gérard Delanoy, Ulrich Dosedal, Igor Dráb, Pavel Duchek, Mark Faint, Ingbert Fick, Daiv Freeman, Pierre Gambart, Wolfgang Gemmrich, Alessandro Gentili, Klaus Gilmer, Quentin Groom, Pavel Heřtus, Wolter ten Hoeve, Paul Hoxey, Cyrill Hunkeler, Zlatko Janeba, Jan Ječmínek, Jakub Jilemicky, Bert Jonkers, Fred Kattermann, Hans-Josef Klinkhammer, Wolfgang Krueger, Tomáš Kulhánek, Michel Lacoste, Al Laius, Simon Langer, Andreas Laras, Martin Lowry, Christophe Ludwig, Alberto Magli, Peter Mansfeld, Georges Marchand, Ross and Fraser Marriott, Massimo Meregalli, Roger Moreton, Andrzej Mucha, Dave Naylor, Martina and Andreas Ohr, Benjamin Oliver, Raimondo Paladini, Wolfgang Papsch, Pavel Pavlíček, Ralph Peters, Ian Robinson, Chris Rodgerson, Zvone Rovsek, Lucio Russo, Volker Schädlich, Eberhard Scholz, Daniel Schweich, Bernhard Schweitzer, Chris Sherrah, Francesco Soldi, Stanislav Spurny, Thomas Strub, Brian Thomson, Jaroslav Ullmann, Willy Verheulpen, Johan de Vries, Mario Wick, Mats Winberg and Jan Ziegrosser. Translation and other assistance were given by Sophie Hilton, Zlatko Janeba, and Frank Sengpiel. I am grateful to all of them for their help and permission to use this data.
Further additions and editing of the data, and conversion to a WWW query service, were done by Ralph Martin – see his Cactus and Succulent Page.
If you have any corrections, additions, bug reports, offers of further data files, or other comments on this service, please email them to me at email@example.com.
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