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Species within checklist:
Boston Harbor Islands National Recreation Area
Achillea millefolium
Ambrosia artemisiifolia
Arctium lappa
Arctium minus
Artemisia vulgaris
Bidens frondosa
Chrysanthemum leucanthemum
Cichorium intybus
Cirsium arvense
Cirsium vulgare
Conyza canadensis
Erechtites hieraciifolia
Erigeron annuus
Erigeron canadensis
Erigeron philadelphicus
Erigeron strigosus
Euthamia graminifolia
Hieracium canadense
Hieracium pratense
Iva frutescens
Lactuca canadensis
Lactuca serriola
Leontodon autumnalis
Matricaria discoidea
Onopordum acanthium
Pseudognaphalium obtusifolium
Senecio jacobaea
Solidago juncea
Solidago nemoralis
Solidago rugosa
Solidago sempervirens
Sonchus arvensis
Sonchus asper
Tanacetum vulgare
Taraxacum officinale
Tragopogon pratensis
Tussilago farfara
Xanthium strumarium
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CNH data usage policy
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