<i>Rebutia brunnescens</i> (Lat. "brownish"), according to Urs Eggli, Leonard E. Newton: <i>Etymological Dictionary of Succulent Plant Names</i>. Springer 2004. <a href="//commons.wikimedia.org/wiki/Special:BookSources/3-540-00489-0" title="Special:BookSources/3-540-00489-0">ISBN 3-540-00489-0</a>.<br><i>Rebutia brunescens</i>, according to <a rel="nofollow" class="external text" href="http://www.ipni.org/ipni/simplePlantNameSearch.do;jsessionid=2112050D2FF0EED8A6C984BB2D379FF0?find_wholeName=+Rebutia+brunescens&amp;output_format=normal&amp;query_type=by_query&amp;back_page=query_ipni.html">IPNI</a>
Otakar Šída
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>