Alberta Invasive Plant Identification Guide

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Montana State University Invasive Plant Identification Guide Eurasian Water Milfoil Myriophyllum spicatum , Haloragaceae (Water Milfoil Family) Category: Prohibited Noxious Montana State University Invasive Plant Identification Guide • Life cycle: Aquatic perennial. • Root: Numerous at base and along stem. • Leaves: Three to four bright-green leaves, 3cm long with 12 to 48 threadlike divisions are whorled around stem at each joint. Leaves rarely extend above water surface and mat when removed from water. • Stems: Slender, hairless, leafless toward base, 3m long or longer and 2mm thick. Grow to water surface then branch forming dense floating mats. Somewhat whitened when dry. • Flower: Rigid, pink flowering spike, 5 to 20cm long, held erect above water surface. Small, yellow, four petaled flowers arranged in clusters. • Seed/Fruit: Hard, segmented capsule contains four seeds. 20 Montana State University Invasive Plant Identification Guide
Flowering Rush Butomus umbellatus, Butomaceae (Flowering Rush Family) Category: Prohibited Noxious Montana State University Invasive Plant Identification Guide Information: Thrives in moist areas such as sloughs and canals. Life cycle: Perennial. Root: Thick creeping rhizomes and bulblets. Leaves: Erect or floating leaves, opposite, 90cm long and 1 -1.5cm wide with smooth edges, triangular cross section, and twisted ends. Stems: Leafless, green and have a round cross section. Flower: Three purplish brown bracts where flower stalk attaches to stem tip. Umbrella-shaped clusters of pink to white flowers with three petals 2-3cm in diameter. Seed/Fruit: Inflated, dark brown beaked fruits 1-1.5cm long. Control: Sarah Schumacher, Wheatland County round flower stem triangular leaf stem Sarah Schumacher, Wheatland County Sarah Schumacher, Wheatland County 21 Sarah Schumacher, Wheatland County Ron Bartholow, Wheatland County
Page 1 and 2: Alberta Invasive Plant Identificati
Page 3 and 4: Alberta Invasive Plant Identificati
Page 5 and 6: Alberta Weed Control Act Legislatio
Page 7 and 8: White Flowers Scentless Chamomile P
Page 9 and 10: Yellow Flowers Hawkweed spp. Pg. 24
Page 11 and 12: Prohibited Noxious Weeds Prohibited
Page 13 and 14: Balsam, Himalayan Impatiens glandul
Page 15 and 16: http://commons.wikimedia.org/wiki/F
Page 17 and 18: Montana State University Invasive P
Page 19: Montana State University Invasive P
Page 23 and 24: USDA APHIS PPQ Archive, USDA APHIS
Page 25 and 26: Michael Shephard, USDA Forest Servi
Page 27 and 28: Donna R. Ellis, University of Conne
Page 29 and 30: Knapweed, Bighead Centaurea macroce
Page 35 and 36: knapweed, Squarrose Centaurea virga
Page 37 and 38: Knotweed Complex Fallopia spp./ Pol
Page 39 and 40: Steve Dewey, Utah State University,
Page 41 and 42: Puncturevine Tribulus terrestris, Z
Page 43 and 44: Rush Skeletonweed Chondrilla juncea
Page 45 and 46: Saltlover Halogeton glomeratus, Che
Page 47 and 48: Starthistle, Yellow Centaurea solst
Page 49 and 50: Thistle, Nodding Carduus nutans, As
Page 51 and 52: Noxious Weeds Noxious Weeds have th
Page 53 and 54: Bellflower, Creeping Campanula rapu
Page 55 and 56: Blueweed Echium vulgare, Boraginace
Page 57 and 58: Brome, Japanese Bromus japonicas, P
Page 59 and 60: Buttercup, Tall Ranunculus acris, R
Page 61 and 62: Clematis, Yellow Clematis tangutica
Page 63 and 64: Oxeye Daisy Leucanthemum vulgare, A
Page 65 and 66: Henbane, Black Hyoscyamus niger, So
Page 67 and 68: Hound’s‑Tongue Cynoglossum offi
Page 69 and 70: Life cycle: Perennial. Root: Deep
Page 71 and 72:
Sow thistle, Perennial Sonchus arve
Page 73 and 74:
Tansy, Common Tanacetum vulgare, As
Page 75 and 76:
Toadflax, Dalmatian Linaria dalmati
Page 77 and 78:
Glossary adventitious roots Roots a
Page 79 and 80:
Weed Websites Alberta Invasive Plan
Page 81:
Produced by Wheatland County For mo
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Alberta Invasive Plant Identification Guide

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