Welcome
to the UMass Extension Weed Herbarium! Weeds in the herbarium
can be sorted by common name, scientific name, or plant family
by using the "Sort list by" links below. Images
and notes to aid in identification are revealed by clicking
on the weed name. For questions and permission to use photos
contact
Randy Prostak; rprostak@umext.umass.edu.
This
online herbarium is a feature of the UMass Extension Landscape,
Nursery, and Urban Forestry Program web site. Take
me to the home page >> |
Sort
list by: Common Name
| Scientific Name | Family
Name
A | B | C | D | E | F | G | H |
I | J | K | L | M | N | O | P |
Q | R |S | T |U |V | W | X | Y | Z
| A |
| Aizoaceae
- Carpetweed Family |
|
carpetweed |
Mollugo
verticillata |
| Amaranthaceae
- Amaranth Family |
| |
amaranth, spiny |
Amaranthus spinosus |
| |
cottonweed
|
Froelichia
gracilis |
|
pigweed,
prostrate |
Amaranthus
lividus |
|
pigweed,
redroot |
Amaranthus
retroflexus |
| Anacardiaceae
- Cashew Family |
|
poison-ivy |
Toxicodendron
radicans |
|
sumac, smooth |
Rhus glabra |
| |
sumac, staghorn |
Rhus typhina |
| Apiaceae
(Umbelliferae) - Carrot Family |
|
bishops goutweed |
Aegopodium podagraria |
|
carrot,
wild |
Daucus
carota |
| |
cowparsnip |
Heracleum
lanatum |
| |
parsnip, wild |
Pastinaca sativa |
| |
waterhemlock, spotted |
Cicuta maculata |
| Apocynaceae
- Dogbane Family |
| |
dogbane,
hemp |
Apocynum
cannabinum |
| |
dogbane, spreading |
Apocynum androsaemifolium |
| Asclepiadaceae
- Milkweed Family |
|
milkweed,
common |
Asclepias
syriaca |
| |
swallowwort,
black |
Cynanchum
nigrum |
| |
swallowwort,
pale |
Cynanchum
rossicum |
| Asteraceae
(Compositae) - Aster or Sunflower Family |
| |
aster,
white wood |
Aster
divaricatus |
| |
beggarticks,
devil's |
Bidens
frondosa |
| |
black-eyed
susan |
Rudbeckia
hirta |
| |
boneset |
Eupatorium
perfoliatum |
| |
burdock,
common |
Arctium
minus |
|
cat's
ear/false dandelion |
Hypochaeris
radicata |
| |
chicory |
Cichorium
intybus |
| |
cocklebur |
Xanthium
strumarium |
| |
coltsfoot |
Tussilago
farfara |
| |
daisy,
oxeye |
Chrysanthemum
leucanthemum |
| |
dandelion |
Taraxacum
officinale |
| |
dandelion,
fall |
Leontodon
autumnalis |
| |
fleabane,
annual |
Erigeron
annuus |
| |
fleabane, poor-robin |
Erigeron pulchellus |
| |
galinsoga,
hairy |
Galinsoga
ciliata |
| |
goldenrod,
Canada |
Solidago
canadensis |
| |
goldenrod,
narrowleaf |
Solidago
graminifolia |
| |
goldenrod,
seashore |
Solidago
sempervirens |
| |
groundsel,
common |
Senecio
vulgaris |
| |
hawksbeard,
narrowleaf |
Crepis
tectorum |
| |
hawkweed |
Hieracium
pratense |
| |
hawkweed, orange |
Hieracium aurantiacum |
| |
horseweed |
Conyza
canadensis |
| |
Jerusalem artichoke |
Helianthus tuberosus |
| |
joe-pye weed, eastern |
Eupatorium dubium |
| |
joe-pye weed, hollow-stemmed |
Eupatorium fistulosum |
| |
joe-pye weed, spotted |
Eupatorium maculatum |
| |
knapweed,
spotted |
Centaurea
maculosa |
| |
lettuce,
biennial |
Lactuca
biennis |
| |
lettuce,
prickly |
Lactuca
serriola |
| |
lettuce,
tall |
Lactuca
canadensis |
| |
mugwort |
Artemisia
vulgaris |
| |
nipplewort |
Lapsana communis |
| |
pearly-everlasting |
Anaphalis
margaritacea |
| |
pilewort |
Erechtites
hieraciifolia |
| |
pineappleweed |
Matricaria
matricariodes |
| |
pussytoes,
field |
Antennaria
neglecta |
| |
ragweed,
common |
Ambrosia
artemisiifolia |
| |
ragweed,
giant |
Ambrosia
trifida |
| |
ragwort, tansy |
Senecio jacobaea |
| |
salsify,
yellow |
Tragopogon
dubius |
| |
snakeroot,
white |
Eupatorium
rugosum |
| |
sowthistle,
annual |
Sonchus
oleraceus |
| |
sowthistle,
perennial |
Sonchus
arvensis |
| |
sowthistle,
spiny |
Sonchus
asper |
| |
tansy
|
Tanacetum
vulgare |
| |
thistle,
bull |
Cirsium
vulgare |
| |
thistle,
Canada |
Cirsium
arvense |
| |
yarrow |
Achillea
millefolium |
| B |
| Balsaminaceae
- Touch-me-not Family |
| |
balsam,
Himalaya |
Impatiens
glandulifera |
| |
touch-me-not,
pale |
Impatiens
pallida |
| |
touch-me-not,
spotted |
Impatiens
capensis |
| Boraginaceae
- Borage Family |
| |
blueweed |
Echium
vulgare |
| Brassicaceae
(Cruciferae) - Mustard Family |
| |
alyssum,
hoary |
Berteroa
incana |
| |
bittercress |
Cardamine
hirsuta |
| |
bittercress, cuckoo |
Cardamine pratensis |
| |
cress, mouse-ear |
Arabidopsis thaliana |
| |
damesrocket |
Hesperis matronalis |
| |
fieldcress, prostrate |
Rorippa x prostrata |
| |
mustard,
garlic |
Alliaria
petiolata |
| |
mustard,
tower |
Arabis
glabra |
| |
mustard, wild |
Brassica kaber |
| |
pennycress,
field |
Thlaspi
arvense |
| |
pepperweed,
field |
Lepidium
campestre |
| |
pepperweed,
Virginia |
Lepidium
virginicum |
| |
radish,
wild |
Raphanus
raphanistrum |
| |
rocket,
yellow |
Barbarea
vulgaris |
| |
shepherd's-purse |
Capsella
bursa-pastoris |
| |
whitlowgrass,
spring |
Draba
verna |
| C |
| Campanulaceae
- Bluebell Family |
| |
Venus
lookingglass |
Triodanis
perfoliata |
| Caryophyllaceae
- Pink Family |
| |
bouncingbet |
Saponaria officinalis |
| |
bladder campion |
Silene vulgaris |
| |
chickweed,
common |
Stellaria
media |
| |
chickweed,
mouseear |
Cerastium
vulgatum |
| |
cockle,
white |
Silene
alba |
| |
knawel |
Scleranthus
annuus |
| |
little starwort |
Stellaria graminea |
| |
maiden pink |
Dianthus deltoides |
| |
ragged
robin |
Lychnis
flos-cuculi |
| |
sandspurry,
red |
Spergularia
rubra |
| Celastraceae
- Stafftree Family |
| |
bittersweet,
oriental |
Celastrus
orbiculatus |
| Chenopodiaceae
- Goosefoot Family |
| |
lambsquarters,
common |
Chenopodium
album |
| |
mexicantea |
Chenopodium ambrosioides |
| Commelinaceae
- Spiderwort Family |
| |
dayflower,
Asiatic |
Commelina
communis |
| Convolvulaceae
- Morningglory Family |
| |
bindweed,
field |
Convolvulus
arvensis |
| |
bindweed,
hedge |
Calystegia
sepium |
| |
dodder |
Cuscuta
spp. |
| Cucurbitaceae
- Gourd Family |
| |
burcucumber |
Sicyos
angulatus |
| |
cucumber,
wild |
Echinocystis
lobata |
| Cyperaceae
- Sedge Family |
| |
nutsedge,
yellow |
Cyperus
esculentus |
| D |
| Dipsacaceae
- Teasel Family |
| |
teasel |
Dipsacus
fullonum |
| E |
| Equisetaceae
- Horsetail Family |
| |
horsetail,
field |
Equisetum
arvense |
| Euphorbiaceae
- Spurge Family |
| |
copper-leaf,
Virginia |
Acalypha
virginica |
| |
spurge, cypress |
Euphorbia cyparissias |
| |
spurge,
spotted |
Euphorbia
maculata |
| F |
| Fabaceae
(Leguminosae) - Pea or Bean Family |
| |
clover,
rabbitfoot |
Trifolium
arvense |
| |
clover,
red |
Trifolium
pratense |
| |
clover,
white |
Trifolium
repens |
| |
crownvetch, trailing |
Coronilla varia |
| |
groundnut |
Apios americana |
| |
medic,
black |
Medicago
lupulina |
| |
sweetclover,
white |
Melilotus
alba |
| |
sweetclover,
yellow |
Melilotus
offincinalis |
| |
trefoil,
birdfoot |
Lotus
corniculatus |
| |
vetch,
bird |
Vicia
cracca |
| G |
| Geranium
- Geranium Family |
| |
filaree,
redstem |
Erodium
cicutarium |
| H |
| Hepatophyta
(Phylum) |
| |
liverwort |
Marchantia polymorpha |
| Hyperiacaceae
- St. Johnswort Family |
| |
St.
Johnswort |
Hypericum
perforatum |
| J |
| Juncaceae
- Rush Family |
| |
rush,
path |
Juncus
tenuis |
| L |
| Lamiaceae
(Labiatae) - Mint Family |
| |
deadnettle,
red |
Lamium
purpureum |
| |
ground
ivy |
Glechoma
hederacea |
| |
healall |
Prunella
vulgaris |
| |
henbit |
Lamium
amplexicaule |
| |
motherwort |
Leonurus cardiaca |
| Liliaceae
- Lily Family |
| |
garlic,
wild |
Allium
vineale |
| Lobeliaceae
- Bluebell Family |
| |
tobacco,
indian |
Lobelia
inflata |
| Lythraceae
- Loosestrife Family |
| |
loosestrife,
purple |
Lythrum
salicaria |
| M |
| Malvaceae
- Mallow Family |
| |
mallow,
common |
Malva
neglecta |
| |
mallow,
venice |
Hibicus
trionum |
| |
velvetleaf |
Abutilon
theophrasti |
| N |
| Nyctaginaceae
- Four-O'clock Family |
| |
four-o'clock,
wild |
Mirabilis
nyctaginea |
| O |
| Onagraceae
- Evening Primrose Family |
| |
eveningprimrose,
common |
Oenothera
biennis |
| |
fireweed |
Epilobium angustifolium |
| Oxalidaceae
- Woodsorrel Family |
| |
woodsorrel,
creeping |
Oxalis
corniculata |
| |
woodsorrel,
yellow |
Oxalis
stricta |
| P |
Papaveraceae - Poppy Family |
| |
celandine, greater |
Chelidonium majus |
| Phytolaccaceae
- Pokeweed Family |
| |
pokeweed,
common |
Phytolacca
americana |
| Plantaginaceae
- Plantain Family |
| |
plantain,
broadleaf |
Plantago
major |
| |
plantain,
narrowleaf |
Plantago
lanceolata |
| Poaceae
(Graminae) - Grass Family |
| |
barnyardgrass |
Echinochloa
crus-galli |
| |
bluegrass,
annual |
Poa
annua |
| |
bluegrass,
bulbous |
Poa
bulbosa |
| |
bluestem, big |
Andropogon gerardii |
| |
bluestem,
little |
Andropogon
scoparius |
| |
brome,
downy |
Bromus
tectorum |
| |
brome, smooth |
Bromus inermis |
| |
canarygrass,
reed |
Phalaris
arundinacea |
| |
crabgrass,
large |
Digitaria
sanguinalis |
| |
crabgrass,
smooth |
Digitaria
ischaemum |
| |
creeping bentgrass |
Agrostis stonifera, Agrostis palustris |
| |
deertonguegrass |
Dicanthelium clandestinum |
| |
fescue, tall |
Festuca arundinacea |
| |
foxtail,
giant |
Setaria
faberi |
| |
foxtail,
yellow |
Setaria
glauca |
| |
goosegrass |
Eleusine
indica |
| |
indiangrass, yellow |
Sorghastrum nutans |
| |
lawngrass,
Japanese |
Zoysia
japonica |
| |
lovegrass, purple |
Eragrotis spectabilis |
| |
nimblewill |
Muhlenbergia schreberi |
| |
orchardgrass |
Dactylis
glomerata |
| |
panicgrass, round fruited |
Dicanthelium sphaerocarpon |
| |
panicum,
fall |
Panicum
dichotomiflorum |
| |
paspalum |
Paspalum
setaceum |
| |
purpletop |
Tridens flavus |
| |
quackgrass |
Elytrigia
repens |
| |
stiltgrass,
Japanese |
Microstegium
vimineum |
| |
stinkgrass |
Eragrostis
cilianensis |
| |
timothy |
Phleum pratense |
| |
vernalgrass, sweet |
Anthoxanthum odoratum |
| |
witchgrass |
Panicum
capillare |
| Polygonaceae
- Smartweed or Buckwheat Family |
| |
buckwheat,
wild |
Polygonum
scandens |
| |
dock,
broadleaf |
Rumex
obtusifolius |
| |
dock,
curly |
Rumex
crispus |
| |
knotweed, black fringed |
Polygonum cilinode |
| |
knotweed, giant |
Polygonum sachalinense |
| |
knotweed,
Japanese |
Polygonum
cuspidatum |
| |
knotweed,
prostrate |
Polygonum
aviculare |
| |
knotweed,
Virginia |
Tovara
virginiana |
| |
sorrel,
red/sheep sorrel |
Rumex
acetosella |
| |
smartweed,
ladysthumb |
Polygonum
persicaria |
| |
smartweed,
Pennsylvania |
Polygonum
pensylvanicum |
| Polypodiaceae – Fern
Family |
| |
brackenfern |
Pteridium aquilinum |
| Portulacaceae
- Purslane Family |
| |
purslane,
common |
Portulaca
oleracea |
| Primulaceae
- Primrose Family |
| |
moneywort |
Lysimachia nummularia |
| |
pimpernel,
scarlet |
Anagallis
arvensis |
| R |
| Ranunculaceae
- Buttercup Family |
| |
buttercup,
bulbous |
Ranunculus
bulbosus |
| |
buttercup,
tall |
Ranunculus
acris |
| |
meadowrue,
tall |
Thalictrum polygamum |
| |
virgin's
bower |
Clematis
virginiana |
| Rosaceae
- Rose Family |
| |
cinquefoil,
old field |
Potentilla
simplex |
| |
cinquefoil,
rough |
Potentilla
norvegica |
| |
cinquefoil,
silvery |
Potentilla
argentea |
| |
cinquefoil,
sulfur |
Potentilla
recta |
| |
rose, multiflora |
Rosa multiflora |
| |
strawberry,
wild |
Fragaria
virginiana |
| Rubiaceae
- Madder Family |
| |
bedstraw,
catchweed |
Galium
aparine |
| |
bedstraw,
smooth |
Galium
mollugo |
| |
bluets |
Houstonia
caerulea |
| S |
| Scrophulariaceae
- Figwort Family |
| |
kenilworth ivy |
Cymbalaria muralis |
| |
mullein,
common |
Verbascum
thapsus |
| |
mullein,
moth |
Verbascum
blattaria |
| |
speedwell,
common |
Veronica
officinalis |
| |
speedwell,
corn |
Veronica
arvensis |
| |
speedwell, ivyleaf |
Veronica hederifolia |
| |
speedwell,
purslane |
Veronica
peregrina |
| |
speedwell,
thymeleaf |
Veronica
serpyllifolia |
| |
toadflax, oldfield |
Scrophulariaceae - Figwort Family |
| |
toadflax,
yellow |
Linaria
vulgaris |
Simaroubaceae - Quassia
Family |
| |
tree-of-heaven |
Ailanthus altissima |
| Solanaceae
- Nightshade Family |
| |
horsenettle |
Solanum
carolinense |
| |
jimsonweed |
Datura
stramonium |
| |
nightshade,
bittersweet |
Solanum
dulcamara |
| |
nightshade,
eastern black |
Solanum
ptycanthum |
| U |
| Urticaceae
- Nettle Family |
| |
clearweed |
Pilea
pumila |
| |
nettle, stinging |
Urtica dioica |
| V |
| Violaceae
- Violet Family |
| |
violet,
common blue |
Viola
papilionacea |
| |
violet,
field |
Viola
arvensis |
Vitaceae - Grape Family |
| |
grape, wild |
Vitis spp. |
| |
porcelainberry |
Ampelopsis brevipedunculata |
Sort
list by: Common Name
| Scientific Name | Family
Name
A | B | C | D | E | F | G | H |
I | J | K | L | M | N | O | P |
Q | R |S | T |U |V |
W | X | Y | Z
Number
of weeds currently in herbarium: 228
Number of images currently in herbarium: 1416 |
