Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
46 Cards in this Set
- Front
- Back
|
key weed reddish color stems |
kochia (long petiole) |
|
|
key weed very long petiole |
kochia (reddish colored stems) |
|
|
key weed deeply lobed, spiny-toothed leaves |
musk thistle |
|
|
key weed erect no petioles and narrow leaves |
marestail |
|
|
key weed basal rosette of toothed leaves |
common dandelion |
|
|
key weed erect reddish stems |
kochia (deep green narrow leaves) |
|
|
key weed arrow-head shaped leaves |
field bindweed |
|
|
key weed distinct tri-lobed leabes |
ivyleaf morningglory |
|
|
key weed erect compound leaves of 3 |
sericea lespedeza (silvery-silky beneath) |
|
|
key weed erect silvery-silky beneath leaves |
sericea lespedeza (compound leaves of 3) |
|
|
key weed opposite circular leaves |
henbit (upper leaves clasp stem) |
|
|
key weed cordate leaves, very soft |
velvetleaf |
|
|
key weed deeply lobed leaves with spines on veins |
buffalobur |
|
|
key weed pinnate, hairy leaves |
puncture vine (prostrate growth) |
|
|
other weed reddish stems egg-shaped leaves |
redroot pigweed |
|
|
other weed reddish stems erect with petioled narrow leaves |
common waterhemp |
|
|
other weed deeply dissected lace-like leaves |
common ragweed |
|
|
other weed deeply dissected dusty white, hairy |
bur ragweed |
|
|
other weed erect small narrow leaves that are lobed at the bottom |
russian knapweed |
|
|
other weed crinkly leaves, sharp spines |
canada thistle (no petiole on deeply lobed leaves) |
|
|
other weed leathery leaves |
wild mustard (bristly haired stem at bottom) |
|
|
other weed erect pinnately lobed oblong leaves stem leaves clasp |
shepherdspurse |
|
|
other weed erect basal leaves lance with petioles, upper leaves entire and clasp |
hoary cress (greyish-green) |
|
|
other weed erect green stems with reddish stripes, narrow cylindrical leaves |
russian thistle |
|
|
other weed trailing with long petiole, heart-shaped leaves |
pitted morningglory |
|
|
other weed erect linear, whorled leaves, tough stems, clustered |
leafy spurge |
|
|
other weed bipinnately compound, up to 11 leaflets, oblong |
pignut |
|
|
other weed pinnately, 3-foliate leaves, large |
kudzu |
|
|
other weed palmate leaves, bristly on underside |
Venice mallow |
|
|
other weed erect short spines at base of each leaf |
prickly sida (serrated margins, long petioles) |
|
|
other weed purplish; egg-shaped leaves |
common purslane |
|
|
other weed new growth green evergreen |
eastern redcedar |
|
|
other weed erect unbranched evergreen no leaves |
common scouring rush |
|
|
other weed erect downy hairs on large leaves prominent midvein |
common milkweed |
|
|
other weed erect rough hair leaves have 3 main veins |
common sunflower |
|
|
other weed erect broadly triangular leaves, rough on both sides purple spots |
common cocklebur |
|
|
key weed erect toothed leaves that clasp at the bottom |
field pennycress |
|
|
other weed erect reddish stem branching upward triangular leaves |
common lambsquarters |
|
|
other weed glossy oval leaves with saw tooth margins |
hophornbeam copperleaf |
|
|
key weed slender leaves branching from base toothed leaves with red spot, opposite oblong |
prostrate spurge |
|
|
other weed brownish white papery sheath smooth margins |
prostrate knotweed |
|
|
key weed viney papery sheath heart-shaped leaves |
wild buckwheat |
|
|
other weed ribbed stems unbranched reddish purple wavy margins
|
curly dock |
|
|
other weed stems and leaves very woolly |
common mullein |
|
|
other weed forked upwards stems alternate toothed leaves |
smooth groundcherry |
|
|
other weed purple underside of leaf |
eastern black nightshade |
