EcoFloraWeb-KeyPSC 5550/6550 Set 4 Weeds

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Home >> Checklist: PSC 5550/6550 Set 4 Weeds >> Previous version of Key >> Identification Key (new version): PSC 5550/6550 Set 4 Weeds Filter/Display Options Family/Genus Filter: Sort by: Display Common Names Display images Plant habit trees shrubs vines / lianas herbaceous ferns & allies grass-like aquatic & OBL wetland species special groups composites legumes milkweeds dicots monocots longevity annual or biennial perennial armature unarmed armed sap latex absent (sap clear) latex present 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 fleshy or succulent leaves fleshy/succulent not fleshy/succulent Flower ovaries/pistils per flower 1 2-5 Fruit or Cone fruit consistency at maturity dry/leathery fleshy PSC 5550/6550 Set 4 Weeds Corey V. Ransom and Heather Elwood Species Count: 25 Anacardiaceae Toxicodendron rydbergii Apiaceae Conium maculatum Apocynaceae Asclepias speciosa Asteraceae Ambrosia artemisiifolia Carduus nutans Cirsium arvense Cirsium vulgare Cyclachaena xanthiifolia Grindelia squarrosa Onopordum acanthium Brassicaceae Lepidium latifolium Caprifoliaceae Dipsacus fullonum Elaeagnaceae Elaeagnus angustifolia Equisetaceae Equisetum laevigatum Fabaceae Melilotus officinalis Lythraceae Lythrum salicaria Onagraceae Epilobium brachycarpum Poaceae Phragmites australis Polygonaceae Rumex crispus Scrophulariaceae Verbascum thapsus Solanaceae Hyoscyamus niger Solanum dulcamara Tamaricaceae Tamarix chinensis Typhaceae Typha latifolia Urticaceae Urtica dioica
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