Bloomipedia

🌸 State flowers

Maine in bloom

Maine's official flower is the white pine cone and tassel (1895). Meet it, then explore 110 Maine wildflowers and garden favorites by bloom month.

Eastern white pine
★ Official state floral emblem · 1895

White pine cone and tassel

Pinus strobus

Named Maine's official state floral emblem in 1895 (1 M.R.S. § 211). Maine's official "flower" is the cone and tassel of the eastern white pine, a conifer, so it doesn't make true flowers.

Meet the eastern white pine →

Sources: 1 M.R.S. § 211; iNaturalist flowering records.

Maine flower gifts

State flower gifts for anyone who loves Maine.

🌱 Sample spot. Handmade gift picks from independent shops will appear here once our shop partnership is approved. These cards are placeholders, not real products.

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    White pine cone and tassel print

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    Maine wildflower map

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    Maine mug

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    Wildflower seed favors

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Explore 110 Maine flowers

101 wildflowers and flowering shrubs, picked from Maine's most-observed flowering plants on iNaturalist, plus 9 garden favorites. Filter by bloom month or type.

Showing 109 flowers

Roses (genus Rosa) (Rosa)

Roses (genus Rosa)

Rosa

★ NY state flower🌷 Garden flower

🌼 Blooms in ME: June–October

6,374 ME sightings on iNaturalist
Canadian bunchberry (Cornus canadensis)

Canadian bunchberry

Cornus canadensis

Native

🌼 Blooms in ME: May–July

6,071 ME sightings on iNaturalist
Rugosa rose (Rosa rugosa)

Rugosa rose

Rosa rugosa

Introduced

🌼 Blooms in ME: June–October

5,017 ME sightings on iNaturalist
Canada mayflower (Maianthemum canadense)

Canada mayflower

Maianthemum canadense

Native

🌼 Blooms in ME: May–June

4,328 ME sightings on iNaturalist
Ghost pipe (Monotropa uniflora)

Ghost pipe

Monotropa uniflora

Native

🌼 Blooms in ME: July–September

4,157 ME sightings on iNaturalist
White meadowsweet (Spiraea alba)

White meadowsweet

Spiraea alba

Native

🌼 Blooms in ME: June–September

4,151 ME sightings on iNaturalist
Sheep laurel (Kalmia angustifolia)

Sheep laurel

Kalmia angustifolia

Native

🌼 Blooms in ME: June–July

3,972 ME sightings on iNaturalist
Pink lady's slipper (Cypripedium acaule)

Pink lady's slipper

Cypripedium acaule

Native

🌼 Blooms in ME: May–June

3,917 ME sightings on iNaturalist
Northern starflower (Lysimachia borealis)

Northern starflower

Lysimachia borealis

Native

🌼 Blooms in ME: May–June

3,645 ME sightings on iNaturalist
Bluebead lily (Clintonia borealis)

Bluebead lily

Clintonia borealis

Native

🌼 Blooms in ME: May–June

3,054 ME sightings on iNaturalist
Three-toothed cinquefoil (Sibbaldiopsis tridentata)

Three-toothed cinquefoil

Sibbaldiopsis tridentata

Native

🌼 Blooms in ME: June–August

2,839 ME sightings on iNaturalist
Flat-top white aster (Doellingeria umbellata)

Flat-top white aster

Doellingeria umbellata

Native

🌼 Blooms in ME: July–September

2,744 ME sightings on iNaturalist
Purple pitcher plant (Sarracenia purpurea)

Purple pitcher plant

Sarracenia purpurea

Native

🌼 Blooms in ME: June–September

2,669 ME sightings on iNaturalist
Common milkweed (Asclepias syriaca)

Common milkweed

Asclepias syriaca

Native

🌼 Blooms in ME: June–August

2,468 ME sightings on iNaturalist
Eastern teaberry (wintergreen) (Gaultheria procumbens)

Eastern teaberry (wintergreen)

Gaultheria procumbens

Native

🌼 Blooms in ME: July–August

2,416 ME sightings on iNaturalist
Bittersweet nightshade (Solanum dulcamara)

Bittersweet nightshade

Solanum dulcamara

Introduced

🌼 Blooms in ME: June–September

2,391 ME sightings on iNaturalist
Azure bluet (Houstonia caerulea)

Azure bluet

Houstonia caerulea

Native

🌼 Blooms in ME: April–June

2,357 ME sightings on iNaturalist
Hobblebush (Viburnum lantanoides)

Hobblebush

Viburnum lantanoides

Native

🌼 Blooms in ME: May–June

2,354 ME sightings on iNaturalist
Common yarrow (Achillea millefolium)

Common yarrow

Achillea millefolium

Native

🌼 Blooms in ME: June–October

2,218 ME sightings on iNaturalist
Partridgeberry (Mitchella repens)

Partridgeberry

Mitchella repens

Native

🌼 Blooms in ME: June–July

2,188 ME sightings on iNaturalist
Painted trillium (Trillium undulatum)

Painted trillium

Trillium undulatum

Native

🌼 Blooms in ME: May–June

2,180 ME sightings on iNaturalist
Common selfheal (Prunella vulgaris)

Common selfheal

Prunella vulgaris

Native

🌼 Blooms in ME: June–September

2,131 ME sightings on iNaturalist
Queen Anne's lace (wild carrot) (Daucus carota)

Queen Anne's lace (wild carrot)

Daucus carota

Introduced

🌼 Blooms in ME: July–October

2,085 ME sightings on iNaturalist
Red clover (Trifolium pratense)

Red clover

Trifolium pratense

★ VT state flowerIntroduced

🌼 Blooms in ME: May–October

2,038 ME sightings on iNaturalist
Orange hawkweed (Pilosella aurantiaca)

Orange hawkweed

Pilosella aurantiaca

Introduced

🌼 Blooms in ME: June–September

1,929 ME sightings on iNaturalist
Whorled wood aster (Oclemena acuminata)

Whorled wood aster

Oclemena acuminata

Native

🌼 Blooms in ME: July–October

1,926 ME sightings on iNaturalist
Rhodora (Rhododendron canadense)

Rhodora

Rhododendron canadense

Native

🌼 Blooms in ME: May–June

1,881 ME sightings on iNaturalist
Lingonberry (Vaccinium vitis-idaea)

Lingonberry

Vaccinium vitis-idaea

Native

🌼 Blooms in ME: May–July

1,881 ME sightings on iNaturalist
Cucumber root (Medeola virginiana)

Cucumber root

Medeola virginiana

Native

🌼 Blooms in ME: May–July

1,799 ME sightings on iNaturalist
Red trillium (Trillium erectum)

Red trillium

Trillium erectum

Native

🌼 Blooms in ME: April–May

1,730 ME sightings on iNaturalist
Black crowberry (Empetrum nigrum)

Black crowberry

Empetrum nigrum

Native

🌼 Few flowering records in ME

1,642 ME sightings on iNaturalist
Colt's-foot (Tussilago farfara)

Colt's-foot

Tussilago farfara

Introduced

🌼 Blooms in ME: March–May

1,607 ME sightings on iNaturalist
Northern wild raisin (Viburnum cassinoides)

Northern wild raisin

Viburnum cassinoides

Native

🌼 Blooms in ME: June–July

1,555 ME sightings on iNaturalist
Common tansy (Tanacetum vulgare)

Common tansy

Tanacetum vulgare

Introduced

🌼 Blooms in ME: July–September

1,507 ME sightings on iNaturalist
Threeleaf goldthread (Coptis trifolia)

Threeleaf goldthread

Coptis trifolia

Native

🌼 Blooms in ME: May–June

1,504 ME sightings on iNaturalist
Trailing arbutus (mayflower) (Epigaea repens)

Trailing arbutus (mayflower)

Epigaea repens

★ MA state flowerNative

🌼 Blooms in ME: April–May

1,475 ME sightings on iNaturalist
Eastern skunk cabbage (Symplocarpus foetidus)

Eastern skunk cabbage

Symplocarpus foetidus

Native

🌼 Blooms in ME: March–May

1,473 ME sightings on iNaturalist
Seaside pea (Lathyrus japonicus)

Seaside pea

Lathyrus japonicus

Native

🌼 Blooms in ME: May–September

1,465 ME sightings on iNaturalist
Pearly everlasting (Anaphalis margaritacea)

Pearly everlasting

Anaphalis margaritacea

Native

🌼 Blooms in ME: July–October

1,458 ME sightings on iNaturalist
Lupine (large-leaved lupine) (Lupinus polyphyllus)

Lupine (large-leaved lupine)

Lupinus polyphyllus

Introduced

🌼 Blooms in ME: May–July

1,445 ME sightings on iNaturalist
Northern bush honeysuckle (Diervilla lonicera)

Northern bush honeysuckle

Diervilla lonicera

Native

🌼 Blooms in ME: June–July

1,410 ME sightings on iNaturalist
Purple loosestrife (Lythrum salicaria)

Purple loosestrife

Lythrum salicaria

Introduced

🌼 Blooms in ME: July–September

1,372 ME sightings on iNaturalist
Rabbitfoot clover (Trifolium arvense)

Rabbitfoot clover

Trifolium arvense

Introduced

🌼 Blooms in ME: July–September

1,371 ME sightings on iNaturalist
Northern seaside goldenrod (Solidago sempervirens)

Northern seaside goldenrod

Solidago sempervirens

Native

🌼 Blooms in ME: July–October

1,360 ME sightings on iNaturalist
Spreading dogbane (Apocynum androsaemifolium)

Spreading dogbane

Apocynum androsaemifolium

Native

🌼 Blooms in ME: June–August

1,321 ME sightings on iNaturalist
Steeplebush (Spiraea tomentosa)

Steeplebush

Spiraea tomentosa

Native

🌼 Blooms in ME: July–August

1,303 ME sightings on iNaturalist
Pickerelweed (Pontederia cordata)

Pickerelweed

Pontederia cordata

Native

🌼 Blooms in ME: July–August

1,290 ME sightings on iNaturalist
Fireweed (Chamaenerion angustifolium)

Fireweed

Chamaenerion angustifolium

Native

🌼 Blooms in ME: July–August

1,283 ME sightings on iNaturalist
Northern blue flag iris (Iris versicolor)

Northern blue flag iris

Iris versicolor

Native

🌼 Blooms in ME: June–July

1,269 ME sightings on iNaturalist
Himalayan balsam (Impatiens glandulifera)

Himalayan balsam

Impatiens glandulifera

Introduced

🌼 Blooms in ME: July–October

1,243 ME sightings on iNaturalist
Purple crownvetch (Securigera varia)

Purple crownvetch

Securigera varia

★ PA state beautification and conservation plantIntroduced

🌼 Blooms in ME: June–October

1,233 ME sightings on iNaturalist
Chokecherry (Prunus virginiana)

Chokecherry

Prunus virginiana

Native

🌼 Blooms in ME: May–June

1,200 ME sightings on iNaturalist
Butter-and-eggs (common toadflax) (Linaria vulgaris)

Butter-and-eggs (common toadflax)

Linaria vulgaris

Introduced

🌼 Blooms in ME: June–October

1,196 ME sightings on iNaturalist
Solomon's plume (false Solomon's seal) (Maianthemum racemosum)

Solomon's plume (false Solomon's seal)

Maianthemum racemosum

Native

🌼 Blooms in ME: May–June

1,193 ME sightings on iNaturalist
Great mullein (Verbascum thapsus)

Great mullein

Verbascum thapsus

Introduced

🌼 Blooms in ME: June–September

1,176 ME sightings on iNaturalist
Yellow trout lily (Erythronium americanum)

Yellow trout lily

Erythronium americanum

Native

🌼 Blooms in ME: April–May

1,165 ME sightings on iNaturalist
Jack-in-the-pulpit (Arisaema triphyllum)

Jack-in-the-pulpit

Arisaema triphyllum

Native

🌼 Blooms in ME: May–June

1,144 ME sightings on iNaturalist
Multiflora rose (Rosa multiflora)

Multiflora rose

Rosa multiflora

Introduced

🌼 Blooms in ME: June–July

1,130 ME sightings on iNaturalist
Heath speedwell (Veronica officinalis)

Heath speedwell

Veronica officinalis

Native

🌼 Blooms in ME: June–July

1,127 ME sightings on iNaturalist
Round-leaved sundew (Drosera rotundifolia)

Round-leaved sundew

Drosera rotundifolia

Native

🌼 Blooms in ME: June–August

1,110 ME sightings on iNaturalist
Bird's-foot trefoil (Lotus corniculatus)

Bird's-foot trefoil

Lotus corniculatus

Introduced

🌼 Blooms in ME: June–September

1,109 ME sightings on iNaturalist
Mapleleaf viburnum (Viburnum acerifolium)

Mapleleaf viburnum

Viburnum acerifolium

Native

🌼 Blooms in ME: June

1,106 ME sightings on iNaturalist
Japanese barberry (Berberis thunbergii)

Japanese barberry

Berberis thunbergii

Introduced

🌼 Blooms in ME: May

1,100 ME sightings on iNaturalist
Silverrod (Solidago bicolor)

Silverrod

Solidago bicolor

Native

🌼 Blooms in ME: August–September

1,098 ME sightings on iNaturalist
Wood anemone (Anemonoides quinquefolia)

Wood anemone

Anemonoides quinquefolia

Native

🌼 Blooms in ME: May

1,090 ME sightings on iNaturalist
Red-berried elder (Sambucus racemosa)

Red-berried elder

Sambucus racemosa

Native

🌼 Blooms in ME: May–June

1,060 ME sightings on iNaturalist
Black huckleberry (Gaylussacia baccata)

Black huckleberry

Gaylussacia baccata

Native

🌼 Blooms in ME: May–June

1,054 ME sightings on iNaturalist
Black cherry (Prunus serotina)

Black cherry

Prunus serotina

Native

🌼 Blooms in ME: May–June

1,050 ME sightings on iNaturalist
Carolina sea lavender (Limonium carolinianum)

Carolina sea lavender

Limonium carolinianum

Native

🌼 Blooms in ME: July–September

1,034 ME sightings on iNaturalist
Sessile bellwort (Uvularia sessilifolia)

Sessile bellwort

Uvularia sessilifolia

Native

🌼 Blooms in ME: April–May

1,033 ME sightings on iNaturalist
Japanese knotweed (Reynoutria japonica)

Japanese knotweed

Reynoutria japonica

Introduced

🌼 Blooms in ME: August–September

1,032 ME sightings on iNaturalist
American witch-hazel (Hamamelis virginiana)

American witch-hazel

Hamamelis virginiana

Native

🌼 Blooms in ME: September–November

1,026 ME sightings on iNaturalist
Swamp candles (Lysimachia terrestris)

Swamp candles

Lysimachia terrestris

Native

🌼 Blooms in ME: June–August

1,024 ME sightings on iNaturalist
Black-eyed Susan (Rudbeckia hirta)

Black-eyed Susan

Rudbeckia hirta

★ MD state flowerNative

🌼 Blooms in ME: June–October

1,017 ME sightings on iNaturalist
Bull thistle (Cirsium vulgare)

Bull thistle

Cirsium vulgare

Introduced

🌼 Blooms in ME: July–September

1,015 ME sightings on iNaturalist
White clover (Trifolium repens)

White clover

Trifolium repens

Introduced

🌼 Blooms in ME: June–September

1,014 ME sightings on iNaturalist
Whorled loosestrife (Lysimachia quadrifolia)

Whorled loosestrife

Lysimachia quadrifolia

Native

🌼 Blooms in ME: June–July

1,012 ME sightings on iNaturalist
Broad-leaved helleborine (Epipactis helleborine)

Broad-leaved helleborine

Epipactis helleborine

Introduced

🌼 Blooms in ME: July–August

1,007 ME sightings on iNaturalist
New England aster (Symphyotrichum novae-angliae)

New England aster

Symphyotrichum novae-angliae

Native

🌼 Blooms in ME: September–October

998 ME sightings on iNaturalist
Common valerian (Valeriana officinalis)

Common valerian

Valeriana officinalis

Introduced

🌼 Blooms in ME: June–August

988 ME sightings on iNaturalist
White turtlehead (Chelone glabra)

White turtlehead

Chelone glabra

Native

🌼 Blooms in ME: August–September

983 ME sightings on iNaturalist
Cardinal flower (Lobelia cardinalis)

Cardinal flower

Lobelia cardinalis

Native

🌼 Blooms in ME: July–September

940 ME sightings on iNaturalist
Twinflower (Linnaea borealis)

Twinflower

Linnaea borealis

Native

🌼 Blooms in ME: June–July

925 ME sightings on iNaturalist
Fringed polygala (Polygaloides paucifolia)

Fringed polygala

Polygaloides paucifolia

Native

🌼 Blooms in ME: May–June

900 ME sightings on iNaturalist
Large cranberry (Vaccinium macrocarpon)

Large cranberry

Vaccinium macrocarpon

Native

🌼 Blooms in ME: June–August

878 ME sightings on iNaturalist
Creeping thistle (Cirsium arvense)

Creeping thistle

Cirsium arvense

Introduced

🌼 Blooms in ME: July–October

857 ME sightings on iNaturalist
Pinesap (Monotropa hypopitys)

Pinesap

Monotropa hypopitys

Native

🌼 Blooms in ME: June–August

848 ME sightings on iNaturalist
Mountain woodsorrel (Oxalis montana)

Mountain woodsorrel

Oxalis montana

Native

🌼 Blooms in ME: June–July

836 ME sightings on iNaturalist
Virginia strawberry (Fragaria virginiana)

Virginia strawberry

Fragaria virginiana

Native

🌼 Blooms in ME: May–June

827 ME sightings on iNaturalist
Creeping snowberry (Gaultheria hispidula)

Creeping snowberry

Gaultheria hispidula

Native

🌼 Few flowering records in ME

813 ME sightings on iNaturalist
Chicory (Cichorium intybus)

Chicory

Cichorium intybus

Introduced

🌼 Blooms in ME: June–October

803 ME sightings on iNaturalist
Canada toadflax (Linaria canadensis)

Canada toadflax

Linaria canadensis

Native

🌼 Blooms in ME: June–September

756 ME sightings on iNaturalist
Tall meadow-rue (Thalictrum pubescens)

Tall meadow-rue

Thalictrum pubescens

Native

🌼 Blooms in ME: June–August

749 ME sightings on iNaturalist
Rose pogonia (Pogonia ophioglossoides)

Rose pogonia

Pogonia ophioglossoides

Native

🌼 Blooms in ME: June–July

748 ME sightings on iNaturalist
Dame's rocket (Hesperis matronalis)

Dame's rocket

Hesperis matronalis

Introduced

🌼 Blooms in ME: May–July

735 ME sightings on iNaturalist
White campion (Silene latifolia)

White campion

Silene latifolia

Introduced

🌼 Blooms in ME: May–October

734 ME sightings on iNaturalist
Wood lily (Lilium philadelphicum)

Wood lily

Lilium philadelphicum

Native

🌼 Blooms in ME: July

721 ME sightings on iNaturalist
Spoonleaf sundew (Drosera intermedia)

Spoonleaf sundew

Drosera intermedia

Native

🌼 Blooms in ME: June–July

706 ME sightings on iNaturalist
Indian tobacco (Lobelia inflata)

Indian tobacco

Lobelia inflata

Native

🌼 Blooms in ME: July–October

700 ME sightings on iNaturalist
American white water lily (Nymphaea odorata)

American white water lily

Nymphaea odorata

Native

🌼 Blooms in ME: June–September

699 ME sightings on iNaturalist
Fire cherry (Prunus pensylvanica)

Fire cherry

Prunus pensylvanica

Native

🌼 Blooms in ME: May–June

693 ME sightings on iNaturalist
Orange daylily (Hemerocallis fulva)

Orange daylily

Hemerocallis fulva

🌷 Garden flower

🌼 Blooms in ME: June–August

148 ME sightings on iNaturalist
Purple coneflower (Echinacea purpurea)

Purple coneflower

Echinacea purpurea

🌷 Garden flower

🌷 Grown in Maine gardens

45 ME sightings on iNaturalist
Common sunflower (Helianthus annuus)

Common sunflower

Helianthus annuus

🌷 Garden flower

🌷 Grown in Maine gardens

26 ME sightings on iNaturalist
Purple lilac (Syringa vulgaris)

Purple lilac

Syringa vulgaris

★ NH state flower🌷 Garden flower

🌷 Grown in Maine gardens

24 ME sightings on iNaturalist
Garden peony (Paeonia lactiflora)

Garden peony

Paeonia lactiflora

🌷 Garden flower

🌷 Grown in Maine gardens

7 ME sightings on iNaturalist
Daffodil (Narcissus pseudonarcissus)

Daffodil

Narcissus pseudonarcissus

🌷 Garden flower

🌷 Grown in Maine gardens

2 ME sightings on iNaturalist
Bigleaf hydrangea (Hydrangea macrophylla)

Bigleaf hydrangea

Hydrangea macrophylla

🌷 Garden flower

🌷 Grown in Maine gardens

0 ME sightings on iNaturalist
Garden tulip (Tulipa gesneriana)

Garden tulip

Tulipa gesneriana

🌷 Garden flower

🌷 Grown in Maine gardens

0 ME sightings on iNaturalist

Maine bloom calendar

Show the full bloom calendar (flowers with 15+ Maine flowering records, earliest bloomers first)
JJanFFebMMarAAprMMayJJunJJulAAugSSepOOctNNovDDec
Colt's-foot249 records
Eastern skunk cabbage90 records
Azure bluet1,074 records
Red trillium847 records
Trailing arbutus (mayflower)603 records
Yellow trout lily307 records
Sessile bellwort293 records
Canadian bunchberry573 records
Canada mayflower362 records
Pink lady's slipper1,647 records
Northern starflower1,098 records
Bluebead lily412 records
Hobblebush165 records
Painted trillium580 records
Red clover261 records
Rhodora498 records
Lingonberry94 records
Cucumber root165 records
Threeleaf goldthread248 records
Seaside pea158 records
Lupine (large-leaved lupine)166 records
Chokecherry129 records
Solomon's plume (false Solomon's seal)89 records
Jack-in-the-pulpit151 records
Japanese barberry24 records
Wood anemone248 records
Red-berried elder126 records
Black huckleberry93 records
Black cherry73 records
Fringed polygala304 records
Virginia strawberry267 records
Dame's rocket100 records
White campion59 records
Fire cherry177 records
Roses (genus Rosa)505 records
Rugosa rose366 records
White meadowsweet407 records
Sheep laurel963 records
Three-toothed cinquefoil486 records
Purple pitcher plant237 records
Common milkweed175 records
Bittersweet nightshade131 records
Common yarrow254 records
Partridgeberry393 records
Common selfheal354 records
Orange hawkweed357 records
Northern wild raisin83 records
Northern bush honeysuckle372 records
Spreading dogbane274 records
Northern blue flag iris282 records
Purple crownvetch199 records
Butter-and-eggs (common toadflax)254 records
Great mullein31 records
Multiflora rose93 records
Heath speedwell82 records
Round-leaved sundew27 records
Bird's-foot trefoil233 records
Mapleleaf viburnum80 records
Swamp candles207 records
Black-eyed Susan478 records
White clover97 records
Whorled loosestrife197 records
Common valerian124 records
Twinflower168 records
Large cranberry70 records
Pinesap95 records
Mountain woodsorrel165 records
Chicory142 records
Canada toadflax213 records
Tall meadow-rue144 records
Rose pogonia173 records
Spoonleaf sundew21 records
American white water lily142 records
Orange daylily28 records
Ghost pipe215 records
Flat-top white aster834 records
Eastern teaberry (wintergreen)96 records
Queen Anne's lace (wild carrot)203 records
Whorled wood aster307 records
Common tansy185 records
Pearly everlasting473 records
Purple loosestrife252 records
Rabbitfoot clover121 records
Northern seaside goldenrod272 records
Steeplebush200 records
Pickerelweed305 records
Fireweed361 records
Himalayan balsam198 records
Carolina sea lavender147 records
Bull thistle62 records
Broad-leaved helleborine78 records
Cardinal flower277 records
Creeping thistle54 records
Wood lily459 records
Indian tobacco129 records
Silverrod356 records
Japanese knotweed97 records
White turtlehead182 records
American witch-hazel123 records
New England aster217 records

Darker = more flowering sightings that month. Based on iNaturalist research-grade observations in Maine marked “Flowering,” as of October 17, 2026. Garden flowers have few records because research-grade data leaves out planted ones.

How we picked these flowers

We started from iNaturalist's research-grade sightings in Maine, most-observed first, left out grasses, sedges, trees and other plants with tiny or wind-pollinated flowers (plus poison ivy), kept at most three species per genus, and added Maine's official flowers and popular garden flowers that iNaturalist users record growing in Maine. Every flower needs a CC0 or CC BY photo.

Rare plant list: Maine Rare Plant List (Maine Natural Areas Program, 2021). E and T are Maine's official endangered and threatened plants (12 M.R.S.); SC and PE are tracking categories
Invasive plant list: Maine Do Not Sell invasive plant list (01-001 C.M.R. ch. 273)