"Clones" are asexually propagated progeny genetically identical to the stock plant.
"Cuttings" are portions of stems containing leaves which are rooted to produce clones.
"Micropropagation" is the science of plant multiplication in-vitro.
"Structure or field" is the production area enclosed by natural borders such as ditches, tree lines, buildings, roads, or an enclosed growth facility.
Wash. Admin. Code § 16-302-875