Zaluzania pringlei Greenman                                                                           Isotype

Zaluzania resinosa Watson                                                                             Isotype

Zanthoxylum foetidum Rose                                                                           Isotype

Zanthoxylum longipes Rose                                                                            Isotype

Zanthoxylum pringlei Watson                                                                         Isotype

Zexmenia pringlei Greenman                                                                           Isotype

Zexmenia squarrosa Greenman ex W.W.Jones                                               Isotype

Zinnia greggii Robinson & Greenman                                                              Isosyntype

Zinnia haageana Regel                                                                                    Isoneotype