Alberta Invasive Plant Identification Guide

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Montana State University Invasive Plant Identification Guide Iris, Pale Yellow Iris pseudacorus, Iridaceae (Iris Family) Category: Prohibited Noxious Montana State University Invasive Plant Identification Guide •Information: Native to Europe. •Life cycle: Perennial. •Root: Bulbs and rhizomes. •Leaves: Long, linear, dark green. Leaves emerge from ground in fanlike arrangement. Smooth edged, mostly basal leaves are flattened, sword-like with a pointed tip and raised midrib, and erect with upper part arching. •Stems: 90 -120cm tall, round to flattened. •Flower: Large pale to deep yellow flowers have three downward- and three upward-pointing petals, some with light-brown to purple veins or flecks. •Seed/Fruit: Three-angled cylindrical capsule 2-10cm long, contains many flat brown seeds. •Toxic: Horses, cattle, sheep, goats. •Control: 28 Montana State University Invasive Plant Identification Guide Steve Hurst, USDA NRCS PLANTS Database, Bugwood.org
Knapweed, Bighead Centaurea macrocephala, Asteraceae (Sunflower Family) Category: Prohibited Noxious • Information: Also known as Armenian Basket Flower, introduced as an ornamental. • Life Cycle: Perennial. • Root: Woody taproot, woody crown. • Leaves: Broad, lance shaped leaves, pointed tips, rough, hairy, large. • Stems: Up to 1.5m tall. • Flower: Large, single, showy yellow flowers, fringed bracts below the flowers. • Seed/Fruits: Reproduces by seed. • Toxicity: • Control: Early control before seed set. Valerie Schumacher 29 Valerie Schumacher
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 21 and 22: Flowering Rush Butomus umbellatus,
Page 23 and 24: USDA APHIS PPQ Archive, USDA APHIS
Page 25 and 26: Michael Shephard, USDA Forest Servi
Page 27: Donna R. Ellis, University of Conne
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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