Alberta Invasive Plant Identification Guide

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Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Barberry, Common Berberis vulgaris, Berberidaceae (Barberry Family) Category: Prohibited Noxious •Information: Introduced from Europe and Asia as an ornamental, this weed is tolerant of a wide range of conditions. •Life Cycle: Perennial shrub. •Root: Woody. •Leaves: Alternate, spines occurring at the base of each leaf, leaf margins finely toothed, dull green, 2-5cm long. •Stems: 1-3m tall, bushy shrub, yellow-grey, spines in groups of 3. •Flower: Hanging cluster of yellow flowers, 10-20 flowers per raceme (inflorescence). •Seed/Fruits: Red clusters of berries, individual berries are 1cm long, 1-3 black seeds per berry. •Toxicity: Alternate host for stem rust fungus. •Control: Manual control, treat stumps in autumn, early control. 14 Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
http://commons.wikimedia.org/wiki/File:Red_bartsia_800.jpg Bartsia, Red Odontites vernus, Scrophulariaceae (Figwort family) Category: Prohibited Noxious • Information: Originated from Europe, is a weed of pastureland, hayland and roadside ditches. •Life Cycle: Annual. •Root: Taproot • Leaves: Narrow and hairy with a toothed edge. Leaves are oppositely arranged and clasp the stem. • Stems: Upright, branching, 15-30cm tall. • Flower: Snapdragon type flower, reddish purple, hairy. • Seed/Fruits: 1400 seeds per plant, hairy. • Toxicity: May be parasitic to grasses. • Control: Cultivation. http://botanika.wendys.cz/kytky/K272.php http://commons.wikimedia.org/wiki/File:Red_bartsia_800.jpg 15 http://dominiquegaudefroy.fr/EXPOAVRIL2008/EXPO-CALCICOLES-DEUXIEME-PARTIE.html
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: Balsam, Himalayan Impatiens glandul
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 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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