| Family ⠉ | Taxon | Illustrator ⠉ |
---|
 | Ephedraceae Ephedraceae Ephedraceae Ephedraceae Ephedraceae Ephedraceae | Ephedra trifurca Ephedra californica Ephedra antisyphilitica Ephedra coryi Ephedra torreyana Ephedra funerea | John Myers John Myers John Myers John Myers John Myers John Myers |