11509 thumb Noxious and Invasive Plants of Calgary, AB

This guide aims to educate users in recognizing some of Alberta's invasive plants and to help document their distribution.

The following list includes noxious and invasive plants outlined by the Province of Alberta and City of Calgary as prohibited noxious weeds and plants. ...more ↓

Small
Creeping Bellflower 1
Campanula rapunculoides
Small
common teasel 2
Dipsacus fullonum
Small
Orange-peel Clematis 3
Clematis tangutica
Small
Caraway 4
Carum carvi
Small
black henbane 5
Hyoscyamus niger
Small
viper's-bugloss 6
Echium vulgare
Small
common St. John's-wort 7
Hypericum perforatum
240px close up of 2 baby%27s breath (gypsophila paniculata) flowers
baby's-breath 8
Gypsophila paniculata
Small
Himalayan balsam 9
Impatiens glandulifera
Small
dalmatian toadflax 10
Linaria dalmatica dalmatica
Small
common toadflax 11
Linaria vulgaris
tall buttercup
Ranunculus acris acris
Small
sulphur cinquefoil 12
Potentilla recta
Small
common buckthorn 13
Rhamnus cathartica
Small
purple loosestrife 14
Lythrum salicaria
Small
bladder campion 15
Silene vulgaris
Small
five-stamen tamarisk 16
Tamarix chinensis
Small
saltcedar 17
Tamarix ramosissima
Small
tansy 18
Tanacetum vulgare
Small
small-flowered tamarisk 19
Tamarix parviflora
Small
creeping thistle 20
Cirsium arvense
Small
broadleaved pepperweed 21
Lepidium latifolium
Small
great mullein 6
Verbascum thapsus
Small
dame's rocket 22
Hesperis matronalis
Small
Field Scabious 23
Knautia arvensis
Small
hairy white-top 24
Lepidium appelianum
Small
field bindweed 25
Convolvulus arvensis
Small
scentless mayweed 27
Tripleurospermum inodorum
Small
greater burdock 28
Arctium lappa
Small
evening lychnis 29
Silene latifolia alba
Small
Woolly Burdock 30
Arctium tomentosum
Small
Lens-podded Hoary Cress 31
Lepidium draba chalapense
Small
lesser burdock 32
Arctium minus
Small
oxeye daisy 33
Leucanthemum vulgare
Small
Perennial Sow Thistle 34
Sonchus arvensis
Small
cheatgrass 35
Bromus tectorum
Thunberg's Brome
Bromus japonicus
Small
hound's-tongue 14
Cynoglossum officinale
Small
black knapweed 36
Centaurea nigra
Small
meadow buttercup 37
Ranunculus acris
Small
Giant Knapweed 18
Centaurea macrocephala
Small
European barberry 38
Berberis vulgaris
Small
diffuse knapweed 39
Centaurea diffusa
Small
Brown Knapweed 40
Centaurea jacea
Small
bearded creeper 41
Crupina vulgaris
Small
woad 1
Isatis tinctoria
Small
garlic mustard 42
Alliaria petiolata
Small
Giant Hogweed 43
Heracleum mantegazzianum
Small
meadow hawkweed 45
Pilosella caespitosa
Small
Bohemian Knotweed 46
Reynoutria × bohemica
Small
Monckton's Knapweed 47
Centaurea × moncktonii
Small
Marsh Thistle 48
Cirsium palustre
Small
mouse-eared hawkweed 49
Pilosella officinarum
Small
musk thistle 50
Carduus nutans
Small
orange hawkweed 51
Pilosella aurantiaca
Small
puncture vine 52
Tribulus terrestris
Small
Broad-winged Thistle 53
Carduus acanthoides
Small
Red Bartsia 54
Odontites vernus
Small
Rush Skeletonweed 55
Chondrilla juncea
Small
Russian knapweed 56
Leuzea repens
Small
jointed goat grass 57
Aegilops cylindrica
Small
Tyrol knapweed 58
Centaurea nigrescens
Small
medusa head 1
Taeniatherum caput-medusae
Small
yellow nutsedge 59
Cyperus esculentus
Small
hoary alyssum 60
Berteroa incana
Small
Saltlover 61
Halogeton glomeratus
Small
Eurasian water-milfoil 62
Myriophyllum spicatum
Small
ragwort 63
Jacobaea vulgaris
Small
Yellow Starthistle 64
Centaurea solstitialis
Small
Flowering-rush 65
Butomus umbellatus
Small
Yellow Iris 66
Iris pseudacorus

Edited by Matt Wallace, some rights reserved (CC BY-SA)

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