Alwin Berger
...that the genera Bergerocactus and Bergeranthus are named after Alwin Berger, a German botanist best known for his contribution to the nomenclature of succulent plants, particularly agaves and cacti?
...that the <a href="./Genus" id="mwAXU" rel="mw:WikiLink" title="Genus">genera</a> <i id="mwAXY"><a href="./Bergerocactus" id="mwAXc" rel="mw:WikiLink" title="Bergerocactus">Bergerocactus</a></i> and <i id="mwAXg">Bergeranthus</i> are named after <b id="mwAXk"><a href="./Alwin_Berger" id="mwAXo" rel="mw:WikiLink" title="Alwin Berger">Alwin Berger</a></b>, a <a href="./Germany" id="mwAXs" rel="mw:WikiLink" title="Germany">German</a> <a class="mw-redirect" href="./Botanist" id="mwAXw" rel="mw:WikiLink" title="Botanist">botanist</a> best known for his contribution to the <a href="./Nomenclature" id="mwAX0" rel="mw:WikiLink" title="Nomenclature">nomenclature</a> of <a href="./Succulent_plant" id="mwAX4" rel="mw:WikiLink" title="Succulent plant">succulent plants</a>, particularly <a class="mw-redirect" href="./Agaves" id="mwAX8" rel="mw:WikiLink" title="Agaves">agaves</a> and <a class="mw-redirect" href="./Cacti" id="mwAYA" rel="mw:WikiLink" title="Cacti">cacti</a>?