Subject to Env-Wq 1303.03, the following exotic aquatic weeds shall not be offered for sale, distributed, sold, imported, purchased, propagated, transported, or introduced in the state, pursuant to RSA 487:16-a, because they pose a substantial threat to native species in the state:

1. (a) Butomus umbellatus, commonly referred to as flowering rush;
2. (b) All Cabomba species, including but not limited to Cabomba caroliniana and commonly referred to as fanworts;
3. (c) Crassula helmsii, commonly referred to as swamp stonecrop;
4. (d) Egeria densa, commonly referred to as Brazilian elodea;
5. (e) Epilobium hirsutum, commonly referred to as great willow herb or hairy willow herb;
6. (f) Glyceria maxima, commonly referred to as reed sweet grass or manna grass;
7. (g) Hydrilla verticillata; commonly referred to as Hydrilla or Anacharis;
8. (h) Hydrocharis morsus-ranae, commonly referred to as frogbit;
9. (i) Hygrophila polysperma, commonly referred to as East Indian hygrophila;
10. (j) Ipomoea aquatica, commonly referred to as water spinach;
11. (k) Iris pseudocarus, commonly referred to as yellow iris or yellow flag iris;
12. (l) Lagarosiphon major, commonly referred to as African oxygen weed;
13. (m) Limnophila sessiliflora, commonly referred to as ambulia;
14. (n) Lythrum salicaria, L. virgatum, L. alatum and their cultivars, commonly referred to as purple loosestrife;
15. (o) Marsilea quadrifolia, commonly referred to as water fern;
16. (p) Myosotis scorpiodies, commonly referred to as water forget-me-not;
17. (q) All Myriophyllum species, including but not limited to Myriophyllum heterophyllum, Myriophyllum spicatum, and Myriophyllum aquaticum, and commonly referred to as milfoils or feather-foils;
18. (r) Najas minor, commonly referred to as European naiad;
19. (s) Nymphoides peltata, commonly referred to as yellow floating heart;
20. (t) Phragmites australis or P. communis, commonly referred to as common reed;
21. (u) Potamogeton crispus, commonly referred to as curly leaf pondweed;
22. (v) Sagittaria japonica, commonly referred to as double flowering arrowhead, Japanese arrowhead, or old world arrowhead;
23. (w) Sagittaria sagittifolia, commonly referred to as giant sagittaria;
24. (x) Salvinia molesta, commonly referred to as giant salvinia;
25. (y) All Trapa species, commonly referred to as water chestnuts;
26. (z) Typha gracilis, commonly referred to as slender cattail;
27. (aa) Typha laxmanii, commonly referred to as dwarf cattail or Laxman’s cattail; and
28. (ab) Typha minima, commonly referred to as miniature cattail or micro-mini cattail.

Source. (See Revision Note #1 at chapter heading for Env-Wq 1300) #8703-A, eff 9-5-06; ss by #10696, eff 10-18-14 (See Revision Note #2 at chapter heading for Env-Wq 1300)