Echeveria runyonii
... that although Echeveria runyonii has been in cultivation since at least 1922, wild plants were unknown until 1990?
... that although <i id="mwCJ0"><b id="mwCJ4"><a href="./Echeveria_runyonii" id="mwCJ8" rel="mw:WikiLink" title="Echeveria runyonii">Echeveria runyonii</a></b></i> has been in cultivation since at least 1922, wild plants were unknown until 1990?