| Nova Scotia's Atlantic Coastal Plain Flora Species and their Status | ||||||||
| Scientific Name (Kartesz 1999 bracketed if diff.) | Common Name (NatureServe bracketed if diff.) | Global Rank | S-Rank | N-Rank | COSEWIC 1 | NS ESA 2 | Canada General Status Rank | NS DNR General Status Rank |
| Agalinis maritima | Salt-Marsh False-Foxglove | G5 | S1 | - | - | May be at-risk | Red | |
| Agalinis neoscotica | Nova Scotia False-Foxglove | G2G3 | S4 | - | - | Secure | Green | |
| Alnus serrulata | Brook-Side Alder | G5 | S2 | - | - | Sensitive | Yellow | |
| Amelanchier nantucketensis | Nantucket Shadbush | GNR | S1 | N1 | - | - | May be at-risk | Red |
| Aronia arbutifolia (Photinia pyrifolia) | Red Chokeberry | G5 | S4S5 | - | - | Green | ||
| Baccharis halimifolia | Groundseltree | GNR | S1 | - | - | May be at-risk | Red | |
| Bartonia paniculata | Screw-stem (Twining Bartonia) | G5T? | S4S5 | - | - | Green | ||
| Bartonia virginica | Yellow Screwstem | G5 | S3 | - | - | Green | ||
| Calamagrostis coarctata | Nuttall's Small-Reedgrass | GNA | SH | - | - | Extirpated | Blue - Historic | |
| Carex atlantica ssp. atlantica | Atlantic Sedge | G5T4 | S4 | - | - | Green | ||
| Carex atlantica ssp. capillacea | Howe Sedge | G5T5 | S2 | - | - | Undetermined | ||
| Carex bullata | Button Sedge | G5 | S4 | - | - | Green | ||
| Carex longii | Greenish-White Sedge | GNR | S1? | N1 | - | - | May be at-risk | Red |
| Cephalanthus occidentalis | Buttonbush (Common Buttonbush) | G5 | S2S3 | - | - | Secure | Yellow | |
| Clethra alnifolia | Sweet Pepperbush (Coast Pepper-Bush) | G5 | S1S2 | N2 | SC | V | Sensitive | Red |
| Coreopsis rosea | Pink Coreopsis | G3 | S1 | E | E | At-risk | Red | |
| Cyperus dentatus | Toothed Sedge | GNA | S3 | - | - | Secure | Green | |
| Decodon verticillatus | Water-willow (Hairy Swamp Loosestrife) | G5 | S2S3 | - | - | Secure | Yellow | |
| Drosera filiformis | Thread-leaved Sundew | G4G5 | S1 | N1 | E | E | At-risk | Red |
| Eleocharis flavescens var. olivacea (Eleocharis olivacea) | Capitate Spikerush | G5 | S2 | - | - | Secure | Yellow | |
| Eleocharis rostellata | Beaked Spikerush | G5 | S2 | N3 | - | - | Sensitive | Yellow |
| Eleocharis tuberculosa | Tubercled Spike-rush (Long-Tubercled Spike-rush) | G5 | S1 | T | T | At-risk | Red | |
| Elymus virginicus var. halophilus | Terrell Grass | G5 | S? | - | - | Undetermined | ||
| Eupatorium dubium | Joe-pye-weed (Joe-Pye Thoroughwort) | G5 | S2 | N1 | - | - | May be at-risk | Red |
| Euthamia galetorum | Narrow-Leaf Fragrant Golden-Rod | G3 | S3S4 | - | - | Green | ||
| Euthamia tenuifolia (Euthamia caroliniana) | Grass-Leaved Goldenrod | G5 | S3 | - | - | Yellow | ||
| Galium obtusum | Large Marsh Bedstraw | G5 | S1 | - | - | Secure | Red | |
| Gaylussacia dumosa | Bog Huckleberry (Dwarf Huckleberry) | G5 | S4 | - | - | Green | ||
| Glyceria obtuse | Blunt Manna-Grass | G5 | S4 | - | - | Green | ||
| Gratiola aurea | Golden-pert (Golden Hedge-Hyssop) | G5 | S5 | - | - | Green | ||
| Hudsonia ericoides | Hudsonia (Golden-Heather) | G4 | S2 | N2N3 | - | - | Sensitive | Yellow |
| Hydrocotyle umbellata | Water-pennywort (Many-Flowered Pennywort) | G5 | S1 | N2 | T | E | At-risk | Red |
| Ilex glabra | Inkberry | G5 | S5 | - | - | Green | ||
| Iris prismatica | Slender Blue Flag | G5 | S1 | - | - | May be at-risk | Red | |
| Iva frutescens ssp. oraria | Marsh Elder | G5 | S2SE | - | - | Undetermined | Undetermined | |
| Juncus caesariensis | New Jersey Rush | G2 | S1S2 | SC | V | Sensitive | Red | |
| Juncus marginatus | Grassleaf Rush | G5 | S2S3 | - | - | Sensitive | Yellow | |
| Juncus militaris | Bayonet Rush | G5 | S5 | - | - | Green | ||
| Juncus subcaudatus | Rush (Woods-Rush) | G5T? | S3 | - | - | May be at-risk | Undetermined | |
| Lachnanthes caroliana | Redroot (Carolina Redroot) | G4 | S1 | T | T | At-risk | Red | |
| Lilaeopsis chinensis | Eastern Lilaeopsis | G5 | S1 | SC | V | Sensitive | Red | |
| Lophiola aurea | Golden Crest | G4 | S2 | T | T | At-risk | Red | |
| Lycopodiella appressa | Southern Bog Clubmoss | G5 | S3 | - | - | Green | ||
| Myrica pensylvanica (Morella pensylvanica) | Northern Bayberry | G5 | S5 | - | - | Green | ||
| Myriophyllum humile | Low Water-Milfoil | G5 | S3? | - | - | Green | ||
| Najas gracillima | Thread-Like Naiad | GNR | S1S2 | N2 | - | - | May be at-risk | Undetermined |
| Panicum clandestinum (Dichanthelium clandestinum) | Deer-Tongue Witchgrass | GNA | S3 | - | - | Secure | Green | |
| Panicum dichotomiflorum var. puritanorum | Spreading Panic-Grass | G5T4 | S1 | - | - | Red | ||
| Panicum leucothrix (Dichanthelium meridionale) | Matting Witchgrass | G5 | SH | - | - | Blue - Historic | ||
| Panicum longifolium (Panicum rigidulum var. pubescens) | Redtop Panic Grass | G5T5? | S2 | - | - | Yellow | ||
| Panicum spretum (Dichanthelium spretum) | Eaton's Witchgrass | G5 | S3S4 | - | - | Green | ||
| Panicum virgatum var. spissum | Old Switch Panic Grass | G5T? | S3S4 | - | - | Green | ||
| Platanthera blephariglottis | White Fringed Orchid | G4G5 | S4 | - | - | Green | ||
| Platanthera flava var. flava | Fringed Orchid (Southern Rein Orchid) | G4T4? | S2 | N1 | - | - | Yellow | |
| Polygonum hydropiperoides | Mild Water-pepper | G5 | S5 | - | - | Green | ||
| Polygonum robustius | Water Smartweed (Stout Smartweed) | G5T5 | S3S4 | - | - | Green | ||
| Potamogeton confervoides | Algae-Like Pondweed | G5T5 | S3S4 | N3N4 | - | - | Secure | Green |
| Potamogeton pulcher | Spotted Pondweed | G5 | S1 | - | - | May be at-risk | Undetermined | |
| Proserpinaca intermedia | Intermediate Mermaid-Weed | G5T5 | S1S2 | - | - | May be at-risk | Red | |
| Proserpinaca palustris var. palustris | Marsh Mermaid-Weed | G5T5 | S1? | - | - | Red | ||
| Proserpinaca pectinata | Comb-Leaved Mermaid-Weed | G5 | S3 | - | - | Secure | Yellow | |
| Rhexia virginica | Virginian Meadow-beauty | G5 | S3 | - | - | Green | ||
| Rhynchospora capitellata | Brownish Beakrush | G5 | S4 | - | - | Green | ||
| Rosa palustris | Swamp Rose | G5 | S3 | - | - | Green | ||
| Sabatia kennedyana | Plymouth Gentian | G3 | S1 | N3 | T | E | At-risk | Red |
| Salix sericea | Silky Willow | G5T5 | S2 | - | - | Secure | Yellow | |
| Schoenoplectus americanus | Three-Square Bulrush | G5 | S2 | - | - | Sensitive | Yellow | |
| Scirpus expansus | Woodland Bulrush | G4 | SH | - | - | May be at-risk | Blue - Historic | |
| Scirpus longii | Long's Bulrush | G2 | S2 | N1 | SC | V | Sensitive | Red |
| Sisyrinchium angustifolium | Pointed Blue-Eyed-Grass | GNR | S3S4 | N4? | - | - | Secure | Green |
| Sisyrinchium atlanticum | Eastern Blue-Eyed-Grass | G5 | S3 | - | - | Green | ||
| Sisyrinchium fuscatum | Coastal-Plain Blue-Eyed-Grass | GNR | S1 | - | - | Undetermined | Undetermined | |
| Smilax rotundifolia | Catbrier (Common Greenbrier) | G5 | S4 | - | - | Green | ||
| Spiranthes casei var. novaescotiae | Case's Ladies'-Tresses | G4 | S2 | - | - | Yellow | ||
| Suaeda maritima ssp. richii | Rich's Sea-blite | G4 | S1 | N1 | - | - | Undetermined | |
| Symphyotrichum tradescantii | Tradescant Aster | G4 | S3 | - | - | Secure | Green | |
| Symplocarpus foetidus | Skunk Cabbage | G4 | S3 | N5 | - | - | Secure | Green |
| Thelypteris simulata | Massachusetts Fern (Bog Fern) | G4G5 | S4S5 | - | - | Green | ||
| Torreyochloa pallida var. pallida | Pale Manna Grass | G5T5 | S1 | - | - | Blue - Historic | ||
| Toxicodendron radicans | Poison-ivy | G5 | S4 | - | - | Green | ||
| Toxicodendron vernix | Poison Sumac | G5T5 | S1 | N4 | - | - | Secure | Red |
| Triadenum virginicum | Marsh St. John's-wort | G5 | S4S5 | - | - | Green | ||
| Utricularia purpurea | Purple Bladderwort | G5 | S4 | - | - | Green | ||
| Utricularia radiata | Small Swollen Bladderwort | G4 | S3 | - | - | Green | ||
| Utricularia resupinata | Northeastern Bladderwort | G4 | S1 | - | - | Secure | Red | |
| Utricularia subulata | Zigzag Bladderwort | G5 | S3 | - | - | Green | ||
| Vaccinium corymbosum | Highbush Blueberry | GNR | S3 | - | - | Secure | Green | |
| Viola lanceolata | Lance-leaved Violet | G5 | S5 | - | - | Green | ||
| Woodwardia areolata | Dwarf Chain Fern (Netted Chainfern) | G5 | S2 | N2 | - | - | Sensitive | Yellow |
| Xyris difformis | Yellow-eyed Grass | G5 | S4 | - | - | Green | ||
| 1 COSEWIC Status: E = Endangered, T = Threatened, SC = Special Concern | ||||||||
| 2 NS Endangered Species Act Status: E = Endangered, T = Threatened, V = Vulnerable | ||||||||