Weed Research and Information Center

Weeds in natural areas

Common Names
 
A-B •• C •• D-G •• H-M •• N-R •• S-T •• U-Z
Scientific Names
 
A-B •• C-D •• E-H •• I-O •• P-R •• S-Z


COMMON NAME Scientific name Family
Hairy fleabane Conyza bonariensis Asteraceae
Hairy whitetop Cardaria pubescens Brassicaceae
Halogeton Halogeton glomeratus Chenopodiaceae
Hardinggrass Phalaris aquatica Poaceae
Hardstem bulrush Scirpus acutus Cyperaceae
Hardstem tule Scirpus acutus Cyperaceae
Hare barley Hordeum murinum Poaceae
Harmal rue Peganum harmala Zygophyllaceae
Hawkweeds Hieracium spp. Asteraceae
Hedgehog dogtailgrass Cynosurus echinatus Poaceae
Hedgeparsley Torilis arvensis Apiaceae
Henbit Lamium amplexicaule Lamiaceae
Herb-robert Geranium robertianum Geraniaceae
Himalaya blackberry Rubus armeniacus Rosaceae
Himalayan knotweed Polygonum polystachyum Polygonaceae
Hoary alyssum Berteroa incana Brassicaceae
Hoary cress Cardaria draba Brassicaceae
Horned pondweed Zannichellia palustris Zannichelliaceae
Horsetails Equisetum spp. Equisetaceae
Horseweed Conyza canadensis Asteraceae
Hottentot fig Carpobrotus edulis Aizoaceae
Houndstongue Cynoglossum officinale Boraginaceae
Hydrilla Hydrilla verticillata Hydrocharitaceae
Hyssop loosestrife Lythrum hyssopifolium Lythraceae
Iberian starthistle Centaurea iberica Asteraceae
Iceplant Carpobrotus edulis Aizoaceae
Illinois pondweed Potamogeton illinoensis Potamogetonaceae
Indigobush Amorpha fruticosa Fabaceae
Irish ivy Hedera hibernica Araliaceae
Italian ryegrass Lolium multiflorum Poaceae
Italian thistle Carduus pycnocephalus Asteraceae
Japanese brome Bromus japonicus Poaceae
Japanese dodder Cuscuta japonica Cuscutaceae
Japanese knotweed Polygonum cuspidatum Polygonaceae
Johnsongrass Sorghum halepense Poaceae
Jointed goatgrass
>>integrated management
Aegilops cylindrica Poaceae
Jubatagrass
>> brochure
>> woody weed invaders
Cortaderia jubata Poaceae
Kentucky bluegrass Poa pratensis Poaceae
Kikuyugrass Pennisetum clandestinum Poaceae
Klamathweed Hypericum perforatum Clusiaceae or Hypericaceae
Kochia Bassia scoparia Chenopodiaceae
Ladysthumb Polygonum persicaria Polygonaceae
Leafy pondweed Potamogeton foliosus Potamogetonaceae
Leafy spurge
>> biological control
Euphorbia esula Euphorbiaceae
Lens-podded whitetop Cardaria chalepensis Brassicaceae
Little robin Geranium purpureum Geraniaceae
London rocket Sisymbrium irio Brassicaceae
Lovegrasses Eragrostis spp. Poaceae
Lupines Lupinus spp. Fabaceae
Malta starthistle Centaurea melitensis Asteraceae
Meadow knapweed Centaurea debeauxii Asteraceae
Mediterranean barley Hordeum marinum Poaceae
Mediterranean sage Salvia aethiopis Lamiaceae
Mediterranean steppegrass Stipa capensis Poaceae
Mediterraneangrasses Schismusspp. Poaceae
Medusahead
>> management guide
>> state of the weed handout
>> state of the weed presentation
Taeniatherum caput-medusae Poaceae
Menzies fiddleneck Amsinckia menziesii var. menziesii Boraginaceae
Mexican fan palm Washingtonia robusta Arecaceae
Mexican whorled milkweed Asclepias fascicularis Asclepiadaceae
Montbretia Crocosmiax crocosmiflora Iridaceae
Mosquitoferns Azolla spp. Azollaceae
Moth mullein Verbascum blattaria Scrophulariaceae
Multiflora rose Rosa multiflora Rosaceae
Musk thistle Carduus nutans Asteraceae
Myoporum Myoporum laetum Myoporaceae