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>>
Checklist: PSC 5550/6550 Set 1 Weeds
>>
Key: PSC 5550/6550 Set 1 Weeds
Taxon:
-- Select a Taxonomic Group --
All Species
--------------------------
Amaranthaceae
Amaranthus
Asteraceae
Caryophyllaceae
Chamaesyce
Chenopodium
Convolvulaceae
Convolvulus
Cynodon
Digitaria
Erodium
Euphorbia
Euphorbiaceae
Fabaceae
Geraniaceae
Lactuca
Malva
Malvaceae
Medicago
Oxalidaceae
Oxalis
Panicum
Plantaginaceae
Plantago
Poa
Poaceae
Polygonaceae
Polygonum
Senecio
Sonchus
Stellaria
Taraxacum
Trifolium
Ulmaceae
Ulmus
Display as:
Scientific Name
Common Name
Plant
habit
trees
vines / lianas
herbaceous
grass-like
special groups
composites
legumes
spurges
dicots
monocots
longevity
annual or biennial
perennial
armature
unarmed
armed
sap
latex absent (sap clear)
latex present
Leaves
arrangement/phyllotaxy
basal
alternate
opposite
blade division
all simple
deeply lobed or divided
some or all fully compound
leaf attachment
sessile or nearly so
leaf stalk (petiole) clearly present
winged petiolate
sheathing
Inflorescence
flowering season - upper Midwest
spring
summer
fall
plant sexuality
monoecious
dioecious
bisexual flowers
Flower
principal flower color
white or cream
purple
green
yellow
orange
red
pink
brown
inconspicuous
flower type
daisy- or dandelion-like
bilateral/irregular symmetry
radial symmetry 5 petals
petals indistinguishable
Fruit or Cone
mature fruit dehiscence
opening along 1-2 seams
opening along 3 to many seams
does not split open to release seed
PSC 5550/6550 Set 1 Weeds
Corey V. Ransom and Heather Elwood
Species Count: 24
Amaranthaceae
Amaranthus retroflexus
Chenopodium album
Asteraceae
Lactuca serriola
Senecio vulgaris
Sonchus oleraceus
Taraxacum officinale
Caryophyllaceae
Stellaria media
Convolvulaceae
Convolvulus arvensis
Euphorbiaceae
Euphorbia maculata
Euphorbia myrsinites
Fabaceae
Medicago lupulina
Trifolium repens
Geraniaceae
Erodium cicutarium
Malvaceae
Malva neglecta
Oxalidaceae
Oxalis corniculata
Plantaginaceae
Plantago lanceolata
Plantago major
Poaceae
Cynodon dactylon
Digitaria sanguinalis
Panicum capillare
Poa annua
Polygonaceae
Fallopia convolvulus
Polygonum aviculare
Ulmaceae
Ulmus pumila
Developments of SEINet,
Symbiota
, and associated specimen databases have been supported by National Science Foundation Grants (
DBI 9983132
,
BRC 0237418
,
DBI 0743827
,
DBI 0847966
)