Exhibit_02_SCNF_Invasive_Species.pdf

Exhibit 2: Salmon-Challis National Forest Invasive Species Lists

Early Detection/Rapid Response List Common Name Scientific Name Common Name Scientific Name

Brazilian Elodea* Egeria densa Purple Starthistle Centaurea calcitrapa Common/European Frogbit* Hydrocharis morsus-ranae Squarrose Knapweed Centaurea virgata ssp. squarrosa Fanwort* Cobomba caroliniana St. Johnswort Hypericum perforatum Feathered Mosquito Fern* Azolla pinnata Sulfur Cinquefoil Potentilla recta Giant Hogweed Heracleum mantegazzianum Syrian Beancaper Zygophyllum fabago Giant Salvinia* Salvinia molesta Tall Hawkweed Hieracium piloselloides Hydrilla* Hydrilla verticillata Variable-Leaf-Milfoil* Myriophyllum heterophyllum Iberian Starthistle Centaurea iberica Water Chestnut* Trapa natans Medusahead Rye Taeniatherum caput-meduase Water Hyacinth* Eichhornia crassipes North Africa Grass Ventenata dubia Yellow Devil Hawkweed Hieracium glomeratum Policeman's Helmet Impatiens glandulifera Yellow Floating Heart* Nymphoides peltata *Aquatic Invasive Species

Control List Common Name Scientific Name Common Name Scientific Name

Black Henbane Hyoscyamus niger Meadow Knapweed Centaurea debeauxii Bohemian Knotweed Polygonum bohemicum Mediterranean Sage Salvia aethiopis Buffalobur Solanum rostratum Musk Thistle Carduus nutans Common Crupina Crupina vulgaris Orange Hawkweed Hieracium aurantiacum Common Reed (Phragmites) Phragmites australis Parrotfeather Milfoil* Myriophyllum aquaticum Dyer's Woad Isatis Tinctoria Perennial Sowthistle Sonchus arvensis Eurasian Watermilfoil Myriophyllum spicatum Russian Knapweed Acroptilon repens Giant Knotweed Polygonum sachalinense Scotch Broom Cytisus scoparius Japanese Knotweed Polygonum cuspidatum Small Bugloss Anchusa arvensis Johnsongrass Sorghum halepense Vipers Bugloss Echium vulgare Matgrass Nardus stricta Yellow Hawkweed Hieracium caespitosum *Aquatic Invasive Species

Exhibit 2 Containment List

Common Name Scientific Name Common Name Scientific Name Annual Brome Grasses Bromus species Perennial Pepperweed Lepidium latifolium Annual Mustards Brassicaceae species Plumeless Thistle Carduus acanthoides Bur Buttercup Ceratocephala testiculata Poison Hemlock Conium maculatum Canada Thistle Cirsium arvense Puncturevine Tribulus terrestris Curlyleaf Pondweed * Potamogeton crispus Purple Loosestrife Lythrum salicaria Dalmatian Toadflax Linaria dalmatica ssp. dalmatica Rush Skeletonweed Chondrilla juncea Diffuse Knapweed Centaurea diffusa Saltcedar Tamarix sp.

Field Bindweed Convolvulus arvensis Scotch Thistle Onopordum acanthium Flowering Rush Butomus umbellatus Spotted Knapweed Centaurea stoebe Hoary Alyssum Berteroa incana Tansy Ragwort Senecio jacobaea Houndstongue Cynoglossum officinale White Bryony Bryonia alba Jointed Goatgrass Aegilpos cylindrica Whitetop Cardaria draba Leafy Spurge Euphorbia esula Yellow Flag Iris Iris pseudacorus Milium Milium vernale Yellow Starthistle Centaurea solstitialis Oxeye Daisy Leucanthemum vulgare Yellow Toadflax Linaria vulgaris

*Aquatic Invasive Species

Exhibit 2

Sources: State Department of Agriculture, Noxious Weeds Center for Invasive Species and Ecosystem Health (www.invasives.org)

Salmon-Challis National Forest Watch List Common Name Scientific Name Butte

County Custer County

Lemhi County

Adjacent Counties

States in which Listed as Noxious

Buffalobur Solanum rostratum Yes No No Yes ID, OR, WA Common Burdock Arctium minus Yes No Yes Yes WY, CO Common Crupina Crupina vulgaris No No No Yes ID, MT, CO, NV, OR, WA Curlyleaf Pondweed Potamgeton crispus No No No Yes ID, WA Dame’s Rocket Hesperis matronalis No No Yes Yes CO Diffuse Knapweed Centaurea diffusa Yes Yes Yes Yes ID, MT, WY, CO, UT, NV, OR, WA Dyer’s Woad Isatis tinctoria Yes Yes Yes Yes ID, MT, WY, UT, NV, OR Eurasian Water Milfoil Myriophyllum spicatum No No No Yes ID, MT, CO, NV, OR, WA Field bindweed Convolvulus arvensis Yes Yes Yes Yes ID, MT, WY, UT, OR, WA Flowering Rush Butomus umbellatus No No No No ID, MT, CO, OR, WA Hieracium complex Hieracium spp. No No No Yes ID, MT, CO, OR, WA Johnsongrass Sorghum halepense No No No Yes ID, UT, NV, OR, WA Iberian Starthistle Centaurea iberica No No No No OR, NV Jointed Goatgrass Aegilops cylindrica No No No Yes ID, CO, OR, WA Matgrass Nardus stricta No Yes No Yes ID, OR Meadow Knapweed Centaurea debeauxii No No No Yes ID, CO, OR Mediterranean Sage Salvia aethiopis No No No Yes ID, CO, NV, OR, WA Millet Milium vernale No No No Yes ID North Africa Grass Ventenata dubia No No No Yes None, but of concern in ID, OR, WA Perennial Sowthistle Sonchus arvensis No No Yes Yes ID, WY, CO, NV Plumeless Thistle Carduus acanthoides Yes No No Yes ID, WY, CO, OR, WA Poison Hemlock Conium maculatum Yes No No Yes ID, NV, OR, WA Purple Loosestrife Lythrum salicaria No Yes Yes Yes ID, MT, WY, CO, UT, NV, OR, WA Purple Starthistle Centaurea calcitrapa No No No No Twin Falls County, ID, UT, WA Russian Knapweed Acroptilon repens Yes Yes Yes Yes ID, MT, WY, CO, UT, NV, OR, WA Scotch Broom Cytisus scoparius No No No Yes ID, MT, OR, WA Scotch Thistle Onopordium acanthum Yes Yes Yes Yes ID, WY, CO, UT, NV, OR, WA Small Bugloss Anchusa arvensis No No No Yes ID, WA Syrian Beancaper Zygophyllum fabago Yes No No Yes ID, NV, OR, WA Tall Buttercup Ranunculus acris No Yes Yes Yes MT Tansy Ragwort Senecio jacobaea No Yes No Yes ID, MT, CO, OR, WA Vipers Bugloss Echium vulgare No Yes No Yes ID, MT, WA White Bryony Bryonia alba Yes Yes No Yes ID, WA Yellow Flag Iris Iris pseudacoris No No No Yes MT, OR, WA Yellow Starthistle Centaurea solstitialis No No No Yes ID, MT, CO, UT, NV, OR, WA http://www.invasives.org/