When used in this article:
(a) "Commissioner" means the commissioner of agriculture of the state of West Virginia or his duly authorized representatives;
(b) The term "person" shall include any individual, partnership, corporation, company, society or association;
(c) The term "agricultural seeds" shall include the seeds of grass, forage, cereal, tobacco and fiber crops and any other kinds of seeds commonly recognized within this state as agricultural or field seeds and mixtures of such seeds. Forest seeds shall include all deciduous and coniferous trees and shrubs and ornamentals;
(d) The term "vegetable seeds" includes the seeds of those crops which are grown in gardens or on truck farms and are generally known and sold under the name of vegetable seeds in this state;
(e) The term "seed potato" shall refer to the Irish potato (Solanum tuberosum);
(f) The term "weed seeds" shall include the seeds of all plants generally recognized as weeds within this state;
(g) Noxious weed seeds shall be divided into two classes, "prohibited weed seeds" and "noxious weed seeds," as defined in (1) and (2) of this subdivision: Provided, That the commissioner of agriculture may, through promulgation of regulations, add to or subtract from the list of seeds included under either definition whenever he finds that such additions or subtractions are within the respective definitions;
(1) "Prohibited weed seeds" are the seeds of perennial weeds which reproduce by seed, or spread by underground roots or stems, and which when established are highly destructive and difficult to control in this state by ordinary cultural practice;
"Prohibited weed seeds" in this state are the seeds of dodder (Cuscuta spp.), quack grass (Agropyrons repens), Johnson grass (Sorghum halapense), Canada thistle (Carduus arvensis), perennial sow thistle (Sonchus arvensis), serrated tussock (Nassella trichotoma);
(2) "Noxious weed seeds" are the seeds of such weeds as are very objectionable in fields, lawns or gardens of this state, but can be controlled by good cultural practice. "Noxious weed seeds" in this state are the seeds of wild onion (Allium vineale), hawk weed (Hieracum spp.), buckhorn (Plantago lanceolata), English charlock or wild mustard (Brassica arvensis), corn cockle (Agrostemma gilthago), oxeye daisy (Chrysanthemum leucanthemum), Indian mustard (Brassica juncea), star thistle (Centurea solstitialis), wild carrot (Daucus carota), horse nettle (Solanum carolinas), field pepper grass (Lepidium compestre), wild morning glory (Ipomea purpurea), bindweed (Convolvulus arvensis);
(h) The term "labeling" includes all labels and other written, printed or graphic representation, in any form whatsoever, accompanying and pertaining to any seed whether in bulk or in containers, and includes invoices;
(i) The term "advertisement" means all representation, other than those on the label, disseminated in any manner or by any means, relative to seed within the scope of this article.