Table 1. Flowering plant taxa observed flowering in Maine blueberry fields (2014-2015).

Year and Region Early May Late May – June July
2014

Hancock Co.

bluets (Houstonia caerulea)1 bladder campionE (Silene vulgaris)
bunchberry (Cornus canadensis) bluets
cherry (Prunus spp.) buttercupE&N  (Ranunculus spp.)
dandelionE  (Taraxacum officinale) Canada toadflax (Nuttallanthus canadensis)
forsythiaE (Forsythia spp.) chickweedE (Stellaria media)
strawberry (Fragaria vesca) cinquefoilE&N (Potentilla spp.)
violets (Viola spp.) cloverE (Trifolium spp.)
cow vetchE (Vicia cracca)
crown vetchE (Securigera varia)
daisyE
Asteraceae
fall dandelionE (Scorzoneroides autumnalis)
hawkweedE&N (Hieracium spp.)
iris (Iris spp.)
lupineE (Lupinus polyphyllus)
maiden pink (Dianthus deltoides)
raspberry (Rubus spp.)
wild roseE&N (Rosa spp.)
sheep laurel (Kalmia angustifolia)
wild mustardE&N (Brassica spp.)
yarrowE&N (Achillea millefolium)
2014
Knox & Waldo Co. bluet bluet blackberry (Rubus occidentalis)
dandelionE bunchberry bluet
serviceberry (Amelanchia spp.) Canadian mayflower (Maianthemum canadense) bluntleaf sandwort (Moehringia lateriflora)
strawberry cherry bunchberry
violet chickweedE chickweedE
dandelionE cinquefoilE&N
hawkweedE&N cloverE
Japanese honey-suckleE (Lonicera japonica) daisyE
lilacE (Syringa spp.) fall dandelionE
onion (Allium spp.) false baby’s breathE (Gallium mollugo)
sheep laurel terrestrial-water-starwort (Calitriche terrestris)
strawberry dogwood (Cornus spp.)
violet hawkweedE&N
wild pansyE&N (Viola bicolor) narrow leaf plantainE (Plantago lanceolata)
beach pea (Lathyrus maritimus)
smooth sandwort (Minuartia glabra)
yarrowE&N
2015
Hancock & Washington Co. bluets black chokeberry (Aronia melanocarpa) blackberry
bunchberry blackberry blue-eyed grassE&N (Sisryrinchium montanum)
cherry bunchberry bristly sarsaparilla (Aralia hispida)
Japanese honeysuckleE violets cinquefoil bunchberry
dandelionE cinquefoilE&N
smooth Solomon’s seal (Polygonatum biflorum) cloverE
hawkweedE&N cow wheat (Melampyrum lineare)
sheep laurel fall dandelionE
red sorrelE (Rumex acetosella) dewberry
dogbane (Apocynum cannabinum)
goldenrod (Solidago spp. & Euthamia spp.)
hawkweedE&N
meadowsweet (Spirea alba)
wild roseE&N
sheep laurel
St john’s wortE (Hypericum perforatum)
winterberry (Ilex verticillata)
whorled loosestrife (Lysimachia quadrifolia)
2015
Knox & Waldo Co. bluets Autumn oliveE (Elaeagnus umbellata) Aster (Aster spp. & Symphyotric spp.)
cherry black chokeberry blackberry black-eyed Susan (Rudbeckia hirta)
dandelionE blue-eyed grassE&N blue-eyed grassE&N
strawberry bluets bluets
violets bunchberry bristly sarsaparilla
Willow (Salix spp.) buttercupE&N bunchberry
Canada toadflax chickweedE common bladderwort (Ultricularia macrorhiza)
wild chives (Allium schoenoprasum) chickweedE
cinquefoilE&N cinquefoilE&N
cloverE cloverE
crown vetchE daisyE
dandelionE dewberry (Rubus spp.)
hawkweedE&N dogbane (Apocynum cannabinum)
Japanese honeysuckleE goldenrod
iris goldmoss stonecrop (Sedum acre)
lady’s bedstrawE  (Galium verum) gray dogwood (Cornus racemosa)
lilacE hawkweedE&N
pin cherry (Prunus pensylvanica) common milkweed (Asclepias syriaca)
raspberry bush honeysuckle (Diervilla lonicera)
red sorrelE lady’s bedstrawE
strawberry queen anne’s laceE (Daucus carota)
Trillium (Trillium erectum) rabbit foot cloverE (Trifolium arvense)
yarrowE&N wild roseE&N
smartweedE (Polygonum spp.)
meadowsweet
St john’s wortE
sulfur cinquefoilE (Potentilla recta)
Canada thistleE (Cirsium arvense)
day liliesE (Hemerocallis spp.)
cow vetchE
whorled loosestrife
wild roseE&N
yarrowE&N
yellow hop-cloverE (Trifolium campestre)

1 scientific Latin binomials only given once at first occurrence of species
E exotic introductions
E&N species / biotype complex represented by both native and exotic introductions