Alberta Invasive Plant Identification Guide

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Nutsedge, Yellow Cyperus esculentus, Cyperaceae (Sedge Family) Category: Prohibited Noxious • Information: Native to North America, not hardy in cold climates. • Life Cycle: Perennial. • Root: Creeping, fibrous roots, reproductive tubers. • Leaves: Alternate, grass-like, waxy. • Stems: Triangular stem (3 sided). • Flower: Umbrella shaped cluster, male and female flowers. • Seed/Fruits: Many new plants arise from underground roots, viable seed 50%. • Toxicity: • Control: Do not cultivate. Ken Chamberlain, The Ohio State University, Bugwood.org Steve Dewey, Utah State University, Bugwood.org 40 John Cardina, The Ohio State University, Bugwood.org
Puncturevine Tribulus terrestris, Zygophyllaceae (Caltrop Family) Category: Prohibited Noxious • Information: Introduced from the Mediterranean and Africa, spread in sheep wool. • Life Cycle: Perennial, summer annual in colder climates. • Root: Woody taproot. • Leaves: Opposite, 8-16 leaflets, hairy, pinnatley compound, leaflets less than 1cm wide. • Stems: Branched, hairy stems radiate from the crown, prostrate (on the ground) from 10cm to over 1m long. • Flower: Yellow, 5 petals, 4-10mm wide. • Seed/Fruits: Pod, 2-3 sharp spines(10mmlong) 4-5 single seeded nutlets, hard. • Toxicity: Poisonous to livestock. • Control: Hand pick, chemical. Richard Old, XID Services, Inc., Bugwood.org 41 Steve Dewey, Utah State University, Bugwood.org Utah State University Archive, Utah State University, Bugwood.org
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 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: Steve Dewey, Utah State University,
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

Alberta Invasive Plant Identification Guide

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