Weed Herbarium – by Family Name

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Polygonaceae - Smartweed or Buckwheat Family
Common Name Scientific Name
knotweed, giant Polygonum sachalinense
knotweed, Japanese Polygonum cuspidatum
knotweed, prostrate Polygonum aviculare
knotweed, Virginia Tovara virginiana
smartweed, hedge Polygonum scandens
smartweed, lady's thumb Polygonum persicaria
smartweed, Pennsylvania Polygonum pensylvanicum
sorrel, red Rumex acetosella
tear-thumb, arrowleaf Polygonum sagittatum
tearthumb, Halberd-leaved Polygonum arifolium
Polypodiaceae - Fern Family
Common Name Scientific Name
bracken fern Pteridium aquilinum
Portulacaceae - Purslane Family
Common Name Scientific Name
purslane, common Portulaca oleracea
spring beauty, narrowleaf Claytonia virginica
Primulaceae - Primrose Family
Common Name Scientific Name
loosestrife, fringed Lysimachia ciliata
moneywort Lysimachia nummularia
pimpernel, scarlet Anagallis arvensis

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