Family and scientific name

Common name

(cv. in parenthesis)

Mortality (%)

Dry weight reduction (%)

Amaranthaceae

Alternanthera

philoxeroides Griseb.

Amaranthus palmeri

S. Wats.)

A. retroflexus L.

A. tuberculatus

(Moq.) J.D. Sauer

Alligatorweed

Palmer amaranth

Redroot pigweed

Tall waterhemp

25*

0

0

0

35**

10*

10*

15*

Araceae

Lemna minor L.

Duckweed

95**

98**

Asteraceae

Xanthium strumarium L.

Conyza canadensis L.

Helianthus annuus L.

Artemisiifolia L.

A. trifida L.

Common cocklebur

Horseweed

Wild sunflower

Common ragweed

Giant ragweed

0

0

0

0

0

0

0

0

0

0

Brassicaceae

Raphanus

raphanistrum L.

Sinapis arvensis L.

Wild radish

Wild mustard

0

0

0

0

Chenopodiaceae

Chenopodium

amaranticolor

Coste and Reynier

Lambsquarters

0

0

Cupressaceae

Taxodium distichum

(L.) Rich.

Bald cypress

0

0

Cyperaceae

Cyperus rotundus L.

Purple nutsedge

0

0

Euphorbiaceae

Triadica sebifera (L.)

Small

Chinese tallow tree

15*

35**

Fagaceae

Quercus texana

Barkley

Nuttall oak

0

0

Poaceae

Oryzae sativa L.

Sorgum halepense L.

Zea mays L.

Rice (Cypress)

Johnsongrass

Corn, hybrid (P33N58)

0

0

0

0

0

0

Polygonaceae

Polygonum

pensylvanicum L.

Pennsylvania

smartweed

0

0