Alberta Invasive Plant Identification Guide

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Hoary Cress; globe‑podded -Lepidium appelianum, Lens‑podded - Lepidium chalepense, Heart‑podded - Lepidium draba, Brassicaceae (Mustard Family) Category: Noxious Life cycle: Creeping Perennial. Root: Aggressive, rhizomatous, deep. Leaves: Blue green to gray green leaves are alternate, covered with soft white hairs, and lance- to arrow head shaped. Lower leaves stalked; up- per leaves clasp stem. Stems: Up to 60cm tall. Flower: Numerous white flowers with four petals borne on 1cm long stalk. Dense clusters create white, flat-top appearance. Seed/Fruit: Seed capsules heart shaped with two reddish brown seeds. Toxic: May be toxic to cattle. Montana State University Invasive Plant Identification Guide Control: Chemical, cultivation or mowing may increase populations. AIPC Fact sheet http://www.invasiveplants.ab.ca/Downloads/FS-HoaryCress.pdf 66 Montana State University Invasive Plant Identification Guide Sarah Schumacher, Wheatland County www.invasiveplants.ab.ca/
Hound’s‑Tongue Cynoglossum officinale, Boraginaceae (Borage Family) Category: Noxious • Life cycle: Biennial. • Root: Taproot. • Leaves: Rosette leaves are up to 30cm long, velvety, lack teeth or lobes. Stem leaves alternate and smaller toward the apex. “Hound’s Tongue”-like. • Stems: 60cm to 1.2m tall with branches near the top of the plant. • Flower: Five-petaled, reddish purple flowers. Small-ish. • Seed/Fruit: Four bur-like nutlets are covered in hooks which catch onto clothing and fur. • Toxic: Horses, cattle, sheep, goats. • Control: Spray rosette, mow before seed set. Montana State University Invasive Plant Identification Guide 67 AIPC Fact sheet http://www.invasiveplants.ab.ca/Downloads/FS-HoundsTongue.pdf Mary Ellen (Mel) Harte, Bugwood.org Montana State University Invasive Plant Identification Guide www.invasiveplants.ab.ca/ Mary Ellen (Mel) Harte, Bugwood.org
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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
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 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: Henbane, Black Hyoscyamus niger, So
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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