WSR 21-05-019
PERMANENT RULES
DEPARTMENT OF AGRICULTURE
[Filed February 8, 2021, 8:52 a.m., effective March 11, 2021]
Effective Date of Rule: Thirty-one days after filing.
Purpose: This rule-making order amends chapter 16-752 WAC, Noxious weed seed and plant quarantine, by adding the following species as regulated articles in WAC 16-752-610:
•Italian arum (Arum italicum);
•Ravenna grass (Tripidium ravennae);
•Spurge laurel (Daphne laureola);
•Myrtle spurge (Euphorbia myrsinites);
•Annual bugloss (Lycopsis arvensis);
•Yellow flag iris (Iris pseudacorus);
•Hoary alyssum (Berteroa incana);
•Small-flowered jewelweed (Impatiens parviflora);
•South American spongeplant (Limnobium laevigatum);
•American spongeplant (Limnobium spongia);
•Tree-of-heaven (Ailanthus altissima); and
•Poison hemlock (Conium maculatum).
The department is also updating the accepted scientific names of several plants that are currently quarantined.
Citation of Rules Affected by this Order: Amending WAC 16-752-610.
Statutory Authority for Adoption: RCW 17.10.074, 17.24.011, and 17.24.041.
Adopted under notice filed as WSR 21-01-206 on December 23, 2020.
Number of Sections Adopted in Order to Comply with Federal Statute: New 0, Amended 0, Repealed 0; Federal Rules or Standards: New 0, Amended 0, Repealed 0; or Recently Enacted State Statutes: New 0, Amended 0, Repealed 0.
Number of Sections Adopted at the Request of a Nongovernmental Entity: New 0, Amended 1, Repealed 0.
Number of Sections Adopted on the Agency's own Initiative: New 0, Amended 1, Repealed 0.
Number of Sections Adopted in Order to Clarify, Streamline, or Reform Agency Procedures: New 0, Amended 0, Repealed 0.
Number of Sections Adopted using Negotiated Rule Making: New 0, Amended 0, Repealed 0; Pilot Rule Making: New 0, Amended 0, Repealed 0; or Other Alternative Rule Making: New 0, Amended 0, Repealed 0.
Date Adopted: February 8, 2021.
Derek I. Sandison
Director
OTS-2799.2
AMENDATORY SECTION(Amending WSR 16-14-003, filed 6/23/16, effective 7/24/16)
WAC 16-752-610Regulated articles.
All plants, plant parts, and seeds in packets, blends, and "wildflower mixes" of the following listed species are designated as regulated articles under the terms of this noxious weed seed and plant quarantine. This list is comprised of the most recent and accepted scientific and common names of the quarantine plant species. Regulated status also applies to all synonyms of these botanical names and interspecies hybrids if both parents are regulated species:
Scientific Name
Common Names
Abutilon theophrasti
velvetleaf
Ailanthus altissima
tree-of-heaven
Alliaria petiolata
garlic mustard
Amorpha fruticosa
indigobush, lead plant
Anchusa officinalis
common bugloss, alkanet, anchusa
Anthriscus sylvestris
wild chervil
Arum italicum
Italian arum
Arundo donax (except variegated cultivars)
giant reed
Bassia scoparia (syn. Kochia scoparia)
kochia, summer-cyprus, burning-bush, fireball, Mexican fireweed
Berteroa incana
hoary alyssum
Brachypodium sylvaticum
false brome
Buddleia davidii (except accepted sterile cultivars)
butterfly bush
Butomus umbellatus
flowering rush
Cabomba caroliniana
fanwort
Carduus acanthoides
plumeless thistle
Carduus nutans
musk thistle, nodding thistle
Carduus pycnocephalus
Italian thistle
Carduus tenuiflorus
slenderflower thistle
Centaurea calcitrapa
purple starthistle
Centaurea diffusa
diffuse knapweed
Centaurea jacea
brown knapweed, rayed knapweed, brown centaury horse-knobs, hardheads
((Centaurea jacea x nigra
meadow knapweed
Centaurea stoebe
spotted knapweed))
Centaurea macrocephala
bighead knapweed
Centaurea nigra
black knapweed
Centaurea nigrescens
Vochin knapweed
Centaurea stoebe
spotted knapweed
Centaurea x gerstlaueri (syn. Centaurea jacea x nigra)
meadow knapweed
((Chaenorrhinum))Chaenorhinum minus
dwarf snapdragon
Clematis orientalis
oriental clematis
Conium maculatum
poison hemlock
Crassula helmsii
Australian swamp stonecrop
Crupina vulgaris
common crupina
Cyperus rotundus
purple nutsedge
Cytisus scoparius
Scotch broom
Daphne laureola
spurge laurel
Daucus carota
wild carrot, Queen Anne's lace
Echium vulgare
blueweed, blue thistle, blue devil, viper's bugloss, snake flower
Egeria densa
Brazilian elodea
Epilobium hirsutum
hairy willow herb
((Euphorbia esula
leafy spurge))
Euphorbia myrsinites
myrtle spurge
Euphorbia oblongata
eggleaf spurge
Euphorbia virgate (syn. Euphorbia esula)
leafy spurge
Fallopia japonica
Japanese knotweed
Fallopia sachalinensis
giant knotweed
Fallopia x bohemica
Bohemian knotweed
Ficaria verna
lesser celandine
Galega officinalis
goatsrue
Genista monspessulana
French broom
Geranium lucidum
shiny geranium
Glossostigma diandrum
mud mat
Glyceria maxima
reed sweetgrass, tall manna grass
Gymnocoronis spilanthoides
Senegal tea plant
Helianthus ciliaris
Texas blueweed
Heracleum mantegazzianum
giant hogweed, giant cow parsnip
Hibiscus trionum
Venice mallow, flower-of-an-hour, bladder ketmia, modesty, shoo-fly
Hieracium spp. All nonnative species and hybrids
nonnative hawkweeds
Hydrilla verticillata
hydrilla
Hydrocharis morsus-ranae
European frog-bit
Impatiens glandulifera
policeman's helmet
Impatiens parviflora
small-flowered jewelweed
Iris pseudacorus
yellow flag iris
Isatis tinctoria
dyers' woad
((Kochia scoparia
kochia, summer-cyprus, burning-bush, fireball, Mexican fireweed))
Jacobaea vulgaris (syn. Senecio jacobaea)
tansy ragwort
Lagarosiphon major
African elodea
Lamiastrum galeobdolon
yellow archangel
Lepidium latifolium
perennial pepperweed
Leucanthemum vulgare
oxeye daisy, white daisy, whiteweed, field daisy, marguerite, poorland flower
Limnobium laevigatum
South American spongeplant
Limnobium spongia
American spongeplant
Linaria dalmatica spp. dalmatica
Dalmatian toadflax
Ludwigia hexapetala
water primrose
Ludwigia peploides
floating primrose-willow
Lycopsis arvensis
annual bugloss
Lysimachia vulgaris
garden loosestrife
Lythrum salicaria
purple loosestrife
Lythrum virgatum
wand loosestrife
Marsilea mutica
Australian water clover
Mirabilis nyctaginea
wild four o'clock, umbrella-wort
Murdannia keisak
marsh dew flower, Asian spiderwort
Myriophyllum aquaticum
parrotfeather
Myriophyllum heterophyllum
variable-leaf milfoil
Myriophyllum spicatum
Eurasian watermilfoil
Najas minor
slender-leaved naiad, brittle naiad
Nymphoides peltata
yellow floating heart
Onopordum acanthium
Scotch thistle
((Polygonum cuspidatum
Japanese knotweed
Polygonum polystachyum
Himalayan knotweed
Polygonum sachalinense
giant knotweed
Polygonum x bohemicum
Bohemian knotweed, Japanese and giant knotweed hybrid))
Persicaria wallichii (syn. Polygonum polystachyum)
Himalayan knotweed
Proboscidea louisianica
unicorn-plant
Pueraria montana var. lobata
kudzu
Sagittaria graminea
grass-leaved arrowhead
Sagittaria platyphylla
delta arrowhead
Salvia aethiopis
Mediterranean sage
Salvia pratensis
meadow clary
Salvia sclarea
clary sage
Schoenoplectus mucronatus
ricefield bulrush
((Senecio jacobaea
tansy ragwort))
Silybum marianum
milk thistle
Solanum elaeagnifolium
silverleaf nightshade
Solanum rostratum
buffaloburr
Soliva sessilis
lawnweed
Sorghum halepense
johnsongrass
Spartina alterniflora
smooth cordgrass
Spartina anglica
common cordgrass
Spartina densiflora
dense-flowered cordgrass
Spartina patens
salt meadow cordgrass
Spartium junceum
Spanish broom
Stratiotes aloides
water soldier
Tamarix ramosissima
saltcedar
Thymelaea passerina
spurge flax
Torilis arvensis
hedgeparsley
Trapa natans
water chestnut, bull nut
Trapa bicornus
water caltrap, devil's pod, bat nut
Tripidium ravennae
Ravenna grass
Ulex europaeus
gorse, furze
Utricularia inflata
swollen bladderwort
Zygophyllum fabago
Syrian bean-caper