Alberta Invasive Plant Identification Guide

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• Information: Introduced from Europe, weed of pasture/forage. Also known as Teasel. • Life Cycle: Perennial. • Root: Taproot. • Leaves: Large, opposite, deeply divided, hairy. • Stems: Covered by coarse stiff hairs, covered with black dots. This is a tall plant growing up to 1.3m. • Flower: Pink terminal flower head. • Seed/Fruits: Hairy, pappus, small. • Toxicity: Scabious, field Knautia arvensis, Dipsacaceae (Teasel Family) Category: Noxious • Control: Chemical. www.anpc.ab.ca/wiki/index.php/Knautia_arvensis AIPC Fact sheet http://www.invasiveplants.ab.ca/Downloads/FS-FieldScabious.pdf <strong>Alberta</strong> Sustainable Resource Development 70 Wheatland County www.anpc.ab.ca/wiki/index.php/Knautia_arvensis
Sow thistle, Perennial Sonchus arvensis, Asteraceae (Sunflower Family) Category: Noxious •Information: Introduced from Europe and Asia. Other names include; Creeping Sow Thistle, and Field Milk Thistle •Life Cycle: Creeping perennial. •Root: Creeping rhizomatous root. •Leaves: Alternate, prickles on the edges, usually on the lower portion of the plant, milky juice. •Stems: Hollow stems, branched at the top portion of the plant, milky juice. •Flower: Yellow flowers (dandelion-like). •Seed/Fruits: Small seed, wings (pappus). •Toxicity: •Control: Chemical. Sarah Schumacher, Wheatland County Sarah Schumacher, Wheatland County 71 AIPC Fact sheet http://www.invasiveplants.ab.ca/Downloads/FS-PerennSowthistle.pdf minidoka.id.us/.../perennial_sowthistle.htm www.agf.gov.bc.ca/cropprot/weedguid/sowthist.htm www.invasiveplants.ab.ca/ Sarah Schumacher, Wheatland County www.forestryimages.org/.../3072x2048/1459591.jpg
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Alberta Invasive Plant Identificati
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Alberta Invasive Plant Identificati
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Alberta Weed Control Act Legislatio
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White Flowers Scentless Chamomile P
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Yellow Flowers Hawkweed spp. Pg. 24
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Prohibited Noxious Weeds Prohibited
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Balsam, Himalayan Impatiens glandul
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http://commons.wikimedia.org/wiki/F
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Montana State University Invasive P
Page 19 and 20: 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 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: Life cycle: Perennial. Root: Deep
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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