The University of California, Berkeley, invites applications for a joint appointment as Associate or Full Professor in Plant Ecology, Evolution and/or Systematics in the Department of Integrative Biology, and Director of the University of California (UC) Berkeley Herbaria (i.e., the University Herbarium and Jepson Herbarium). The appointment as professor will be tenured, with rank and step determined at appointment; the appointment as director will be for an initial five-year term, with the possibility of renewal.