| Family ⠉ | Taxon | Illustrator ⠉ |
---|
 | Equisetaceae Equisetaceae Equisetaceae | Equisetum scirpoides Equisetum hyemale subsp. affine Equisetum arvense | John Myers John Myers John Myers |
 | Equisetaceae Equisetaceae | Equisetum subg. Hippochaete Equisetum subg. Equisetum | John Myers John Myers |