Plants of Lowell National Historical Park
The plants most often spotted in Lowell, ranked by recent research-grade observations.
Most-observed plants in Lowell
tree-of-heaven
Ailanthus altissima
24 observations · iNaturalist
common mugwort
Artemisia vulgaris
15 observations · iNaturalist
American pokeweed
Phytolacca americana
14 observations
box elder
Acer negundo
12 observations
purple crownvetch
Securigera varia
12 observations · iNaturalist
Norway maple
Acer platanoides
11 observations · iNaturalist
great mullein
Verbascum thapsus
11 observations
black swallow-wort
Vincetoxicum nigrum
11 observations · iNaturalist
common toadflax
Linaria vulgaris
10 observations
garlic mustard
Alliaria petiolata
10 observations
striped wintergreen
Chimaphila maculata
10 observations
common milkweed
Asclepias syriaca
9 observations
white clover
Trifolium repens
9 observations
Red Clover
Trifolium pratense
8 observations
bladder campion
Silene vulgaris
8 observations · iNaturalist
Japanese knotweed
Reynoutria japonica
8 observations
Bull Thistle
Cirsium vulgare
7 observations
black locust
Robinia pseudoacacia
7 observations
eastern poison ivy
Toxicodendron radicans
7 observations
wild carrot
Daucus carota
7 observations
river birch
Betula nigra
7 observations
common dandelion
Taraxacum officinale
6 observations
chicory
Cichorium intybus
6 observations
silver maple
Acer saccharinum
6 observations
bittersweet nightshade
Solanum dulcamara
6 observations
ground-ivy
Glechoma hederacea
6 observations · iNaturalist
lesser periwinkle
Vinca minor
6 observations · iNaturalist
jimsonweed
Datura stramonium
6 observations · iNaturalist
Asian bittersweet
Celastrus orbiculatus
6 observations
white campion
Silene latifolia
6 observations · iNaturalist
princess tree
Paulownia tomentosa
6 observations · iNaturalist
bird's-foot trefoil
Lotus corniculatus
5 observations · iNaturalist
red maple
Acer rubrum
5 observations
American sycamore
Platanus occidentalis
5 observations
common yarrow
Achillea millefolium
5 observations
Asiatic dayflower
Commelina communis
5 observations · iNaturalist
common soapwort
Saponaria officinalis
5 observations · iNaturalist
Black Medick
Medicago lupulina
5 observations · iNaturalist
Japanese barberry
Berberis thunbergii
5 observations · iNaturalist
White Sweetclover
Melilotus albus
5 observations
Wild Four o'Clock
Mirabilis nyctaginea
5 observations · iNaturalist
wild bergamot
Monarda fistulosa
5 observations
fortune's spindle
Euonymus fortunei
5 observations · iNaturalist
Common St. John's Wort
Hypericum perforatum
4 observations
Common Lambsquarters
Chenopodium album
4 observations · iNaturalist
black-eyed Susan
Rudbeckia hirta
4 observations
azure bluet
Houstonia caerulea
4 observations · iNaturalist
rabbitfoot clover
Trifolium arvense
4 observations · iNaturalist
silverrod
Solidago bicolor
4 observations · iNaturalist
Engelmann's Flatsedge
Cyperus engelmannii
4 observations · iNaturalist
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