The Collaborative International Dictionary
Herbarist
Herbarist \Herb"a*rist\, n. A herbalist. [Obs.]
Wiktionary
herbarist
n. (obsolete form of herbalist English)
Usage examples of "herbarist".
Apothecary and Herbarist, and the Weeding Woman of the Earthly Paradise.
Apothecary and Herbarist, or Weeding Woman, and Alphonse Karr does not seem to have had any by-name of that sort.