EcoFloraWeb-KeyPSC 5550/6550 All Weeds

Corey V. Ransom and Heather Elwood

Species Count: 99

Amaranthaceae

Anacardiaceae

Boraginaceae

Brassicaceae

Caprifoliaceae

Caryophyllaceae

Convolvulaceae

Elaeagnaceae

Equisetaceae

Euphorbiaceae

Hypericaceae

Plantaginaceae

Polygonaceae

Ranunculaceae

Scrophulariaceae

Tamaricaceae

Zygophyllaceae

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Home >> Checklist: PSC 5550/6550 All Weeds >> Previous version of Key >> Identification Key (new version): PSC 5550/6550 All Weeds Filter/Display Options Family/Genus Filter: Sort by: Display Common Names Display images Plant habit trees shrubs vines / lianas herbaceous grass-like ferns & allies aquatic & OBL wetland species special groups composites legumes milkweeds spurges dicots monocots longevity annual or biennial perennial armature unarmed armed sap latex absent (sap clear) latex present reproductive mode produces flowers, fruits, seeds produces spores leaves/twigs aromatic when crushed without marked odor clearly odiferous Leaves arrangement/phyllotaxy basal alternate opposite whorled fascicled/clustered along stem blade division all simple deeply lobed or divided some or all fully compound leaf (blade) presence leaf blades present no leaves apparent Flower principal flower color white or cream purple blue green yellow orange red pink brown inconspicuous flower type daisy- or dandelion-like bilateral/irregular symmetry radial symmetry 3 petals radial symmetry 4 petals radial symmetry 5 petals radial sym. 6 or more petals petals indistinguishable ovaries/pistils per flower 1 2-5 more than 5 Fruit or Cone fruit consistency at maturity dry/leathery fleshy PSC 5550/6550 All Weeds Corey V. Ransom and Heather Elwood Species Count: 99 Amaranthaceae Amaranthus blitoides Amaranthus retroflexus Bassia scoparia Chenopodium album Halogeton glomeratus Salsola tragus Anacardiaceae Toxicodendron rydbergii Apiaceae Conium maculatum Apocynaceae Asclepias speciosa Asteraceae Acroptilon repens Ambrosia artemisiifolia Arctium minus Artemisia tridentata Carduus nutans Centaurea diffusa Centaurea solstitialis Centaurea stoebe Centaurea virgata Cirsium arvense Cirsium vulgare Cyclachaena xanthiifolia Ericameria nauseosa Grindelia squarrosa Gutierrezia sarothrae Helianthus annuus Lactuca serriola Leucanthemum vulgare Onopordum acanthium Senecio vulgaris Sonchus oleraceus Taraxacum officinale Tragopogon dubius Xanthium strumarium Boraginaceae Cynoglossum officinale Brassicaceae Brassica nigra Capsella bursa-pastoris Isatis tinctoria Lepidium draba Lepidium latifolium Thlaspi arvense Caprifoliaceae Dipsacus fullonum Caryophyllaceae Stellaria media Convolvulaceae Convolvulus arvensis Cuscuta pentagona Elaeagnaceae Elaeagnus angustifolia Equisetaceae Equisetum laevigatum Euphorbiaceae Euphorbia dentata Euphorbia esula Euphorbia maculata Euphorbia myrsinites Fabaceae Galega officinalis Medicago lupulina Melilotus officinalis Trifolium repens Geraniaceae Erodium cicutarium Hypericaceae Hypericum perforatum Lythraceae Lythrum salicaria Malvaceae Abutilon theophrasti Malva neglecta Onagraceae Epilobium brachycarpum Oxalidaceae Oxalis corniculata Plantaginaceae Linaria dalmatica Linaria vulgaris Plantago lanceolata Plantago major Poaceae Aegilops cylindrica Avena fatua Bromus tectorum Cenchrus longispinus Cynodon dactylon Digitaria sanguinalis Echinochloa crus-galli Elymus repens Hordeum jubatum Panicum capillare Panicum miliaceum Phragmites australis Poa annua Poa bulbosa Secale cereale Setaria viridis Sorghum halepense Taeniatherum caput-medusae Polygonaceae Fallopia convolvulus Polygonum aviculare Rumex crispus Ranunculaceae Ceratocephala testiculata Rosaceae Potentilla recta Rubiaceae Galium aparine Scrophulariaceae Verbascum thapsus Solanaceae Hyoscyamus niger Physalis virginiana Solanum dulcamara Solanum physalifolium Tamaricaceae Tamarix chinensis Typhaceae Typha latifolia Ulmaceae Ulmus pumila Urticaceae Urtica dioica Zygophyllaceae Tribulus terrestris
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