Guillermo Kalbreyer
... that by the time he returned to England in 1878 after collecting plants in Colombia, German plant collector Guillermo Kalbreyer had lost more than half of his collection?
... that by the time he returned to <a href="./England" id="mwEvQ" rel="mw:WikiLink" title="England">England</a> in 1878 after <a href="./Plant_collecting" id="mwEvU" rel="mw:WikiLink" title="Plant collecting">collecting plants</a> in <a href="./Colombia" id="mwEvY" rel="mw:WikiLink" title="Colombia">Colombia</a>, <a href="./Germany" id="mwEvc" rel="mw:WikiLink" title="Germany">German</a> plant collector <b id="mwEvg"><a href="./Guillermo_Kalbreyer" id="mwEvk" rel="mw:WikiLink" title="Guillermo Kalbreyer">Guillermo Kalbreyer</a></b> had lost more than half of his collection?