Volume 11, Issue 3, 2020
Notes on two Gymnocalycium taxa collected by A. V. Frič:
Gymnocalycium michoga and Gymnocalycium knebelii.
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We would like to express our warmest thanks to Mrs Iris Blanz (Austria) who supports us with the translation into English, to Mrs Larisa Zaitseva for the translation into Russian and Mr Victor Gapon for the scientific correction of the Russian version (Russia), to Mr Takashi Shimada (Japan) for the translation into Japanese, to Mr Jiahui Lin (China) for the translation into Chinese and to Mr Daniel Schweich (France), who mirrors our publications under: http://www.cactuspro.com/biblio/.
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