CRISP Priority Invasive Plants: Status List Updated October 26, 2015 (July 2016) Prevent. Eradicate. Prevent Species: ContaiN.

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1 CRIS riority Invasive lants: Status List Updated October 26, 2015 (July 2016) This priority invasive plant status list for the Capital Region was developed by partners of the Capital Region Invasive Species artnership (CRIS). This list helps guide priorities in the region including reporting, education, invasive management and planning. Local jurisdictions of the Capital Region may have their own species status (within their jurisdiction), priorities and special concerns. Invasive species are defined as non-native plants and animals introduced from outside of their native range that cause, or are likely to cause, economic, social and/or environmental damage. Species: Aegilops cylindrica Jointed Goatgrass BC* Ammophila breviligulata American beachgrass Berteroa incana Hoary alyssum Butomus umbellatus Flowering Rush BC Centaurea solstitialis Yellow Starthistle BC uphorbia esula Leafy Spurge Hydrilla verticillata Hydrilla BC Lepidium draba Hoary Cress euraria montana Kudzu BC hragmites australis ssp. australis Common Reed BC Rhaponticum repens Russian Knapweed Spartina densiflora Dense-flowered Cordgrass BC Spartina patens Salt Meadowgrass BC Spartina anglica BC Spartina alterniflora BC found

2 Species: Alliaria petiolata Garlic Mustard Anthriscus sylvestris Wild Chervil Arundo donax Giant Reed BC Centaurea stoebe ssp. micranthos Spotted Knapweed Centaurea militensis Maltese Starthistle Cytisus multifloris White-flowered broom chium vulgare Blueweed Fallopia x bohemica Bohemian Knotweed Fallopia japonica Japanese Knotweed Fallopia sachalinensis Giant Knotweed Geranium lucidum Shiny Geranium BC Glyceria maxima Giant Mannagrass 1 Note Heracleum mantegazzianum Giant Hogweed Hieracium aurantiacum Orange Hawkweed Hieracium pilosella Mouse-ear Hawkweed BC Impatiens glandulifera oliceman s Helmet Linaria genistifolia ssp. dalmatica Linaria vulgaris Onopordum acanthium ersicaria wallichii otentilla recta Silybum marianum Spartium junceum Dalmatian Toadflax Yellow Toadflax Scotch Thistle Himalayan Knotweed Sulpher Cinquefoil Milk Thistle Spanish Broom found 1 all sites outside of Swan Lake (Swan Lake Nature Sanctuary: contain)

3 Contain Species: Ailanthus altissima Ammophila arenaria Buddleja davidii Centaurea diffusa Centaurea nigra Dipsacus fullonum ssp. sylvestris Hypericum calycinum Iris pseudacorus Lysimachia vulgaris Lythrum salicaria Myriophyllum aquaticum* Myriophyllum heterophyllum Myriophyllum spicatum Ranunculus ficaria Salix alba Vitellina Ulex europaeus Tree of Heaven uropean Beachgrass Butterfly Bush Diffuse Knapweed Black Knapweed Fuller s Teasel St. John s Wort Yellow Flag Iris Garden Yellow Loosestrife urple Loosestrife arrotfeather Two-Leaf Watermilfoil urasian Watermilfoil Lesser Celandine Golden Willow Gorse found

4 Control Species: Aegopodium podagraria Allium vineale Anthoxanthum odoratum Anthriscus caucalis Arctium lappa Arctium minus Centaurea cyanus Cirsium arvense Cirsium vulgare Clematis vitalba Goutweed Field Garlic Sweet Vernal Grass Burr Chervil Great Burdock Common Burdock Bachelors Buttons Canada Thistle Bull Thistle Traveler s Joy Conium maculatum oison Hemlock high priority Cotoneaster horizantalis Cotoneaster Crataegus monogyna Common Hawthorn Crataegus laevigata nglish Hawthorn Crataegus x ambigua Russian Hawthorn Cyclamen hederifolium Cyclamen Cytisus scoparius Scotch Broom Dactylis glomerata Orchard Grass Daphne laureola Foeniculum vulgare Spurge Laurel Sweet Fennel Hedera helix nglish Ivy mild Hyacinthoides hispanica Hyacinthoides non-scripta Hypericum perforatum Ilex aquifolium Lamiastrum galeobdolon Leucanthemum vulgare Ligustrum vulgare Spanish Bluebell nglish Bluebell Common St. John s Wort nglish Holly Yellow Archangel Oxeye Daisy uropean rivet found

5 Tripleurospermum inodorum Scentless Mayweed halaris arundinacea Reed Canary Grass runus laurocerasus Cherry-Laurel mild runus lusitanica ortugal Laurel Rubus armeniacus Himalayan Blackberry Rubus lacinatus Cutleaf vergreen Blackberry Senecio jacobaea Soliva sessilis Tanacetum vulgare Typha angustifolia Typha angustifolia x glauca Tragopogon dubius Tragopogon porrifolius Ulmus glabra Ulmus parvifolia Vinca major Vinca minor Tansy Ragwort Carpet Burweed Common Tansy Lesser Cattail Cattail hybrid Yellow Salsify urple Salsify Wych or Scots lm Chinese lm Large eriwinkle Common eriwinkle Note: CRIS maintains a list of other invasive species that are generally and/or are of lower risk but remain a concern when restoring natural areas and for other management issues.