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Ontario Botany
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Welcome to the Ontario Botany website!
Your "online field guide" to Ontario's plants
This website is all about vascular plants that grow
in Ontario (Canada).
If you're not from Ontario, don't go away! Most of the plants featured on this
website grow elsewhere in eastern North America, and many grow elsewhere in the
world.
For wildflowers, pleae visit the Ontario Wildflowerswebsite.
For trees & shrubs, please visit the
Ontario Trees & Shrubs website. For ferns, please visit the
Ontario Ferns website. And for
grasses, sedges, and rushes, please visit the
Ontario Grasses website.Please note
that this website is not complete. |
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What's New
(747 species now on this site, 700 species still to come)
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Jun 21/15: Ragged Robin (Silene flos-cuculi)
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Jan 29/15: Common Burdock (Arctium minus), Japanese Knotweed (Fallopia japonica), Northern Bluebells (Mertensia paniculata), Lesser Duckweed (Lemna minor), Round Leaf Orchid (Platanthera orbiculata) (updated)
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Dec 21/14: Viper's Bugloss (Echium vulgare), Butterbur (Petasites japonicus), Butterwort (Pinguicula vulgaris), Elecampane (Inula helenium), Birdsfoot Trefoil (Lotus corniculatus), Small Burnet (Poterium sanguisorba), Ground Ivy (Glechoma hederacea), Jumpseed (Persicaria virginiana), Nipplewort (Lapsana communis), Oswego Tea (Monarda didyma), Rose Twisted Stalk (Streptopus lanceolatus), Sneezeweed (Helenium autumnale), Sticky Tofieldia (Triantha glutinosa), Common Saltwort (Salsola tragus), Cowslip (Primula veris), Low Calamint (Clinopodium arkansanum), Tulip (Tulipa sylvestris), Green-flowered Pyrola (Pyrola chlorantha), Small-flowered Anemone (Anemone parviflora), River Beauty (Chamerion latifolium), Yellow Vetchling (Lathyrus pratensis), Marsh Arrowgrass (Triglochin palustris)
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Nov 19/14: Purple Twayblade (Liparis liliifolia)
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Mar 22/14: Sweet Coltsfoot (Petasites frigidus) (updated), Jack-in-the-Pulpit (Arisaema triphyllum) (updated), Early Meadow Rue (Thalictrum dioicum) (updated), Parlin's Pussytoes (Antennaria parlinii) (updated), Robin's Plantain (Erigeron pulchellus) (updated), False Solomon's Seal (Maianthemum racemosum) (updated), Star-flowered Solomon's Seal (Maianthemum stellatum) (updated), Leatherleaf (Chamaedaphne calyculata) (updated), Poison Ivy (Toxicodendron rydbergii) (updated)
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Mar 07/14: Downy Yellow Violet (Viola pubescens), Cylindric Blazing Star (Liatris cylindracea) (updated), Cardinal Flower (Lobelia cardinalis) (updated), Star-of-Bethlehem (Ornithogalum umbellatum), Virginia Waterleaf (Hydrophyllum virginianum) (updated), Wild Ginger (Asarum canadense) (updated), Thyme-leaved Sandwort (Arenaria serpyllifolia), Snowdrops (Galanthus nivalis), White Mountain Avens (Dryas integrifolia), Purple Bedstraw (Galium latifolium), Spring Cress (Cardamine bulbosa)
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Feb 08/14: Common Blue-eyed Grass (Sisyrinchium montanum) (updated), Slender Blue-eyed Grass (Sisyrinchium mucronatum) (updated), Scilla (Scilla siberica), Hairy Puccoon (Lithospermum caroliniense), Spring Avens (Geum vernum), Pale Vetchling (Lathyrus ochroleucus), False Heather (Hudsonia tomentosa)
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Apr 01/13: Wild Senna (Senna hebecarpa), Pale Purple Coneflower (Echinacea pallida)
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Mar 29/13: Horsemint (Monarda punctata), Hairy Solomon's Seal (Polygonatum pubescens), Wild Strawberry (Fragaria virginiana), Woolly Blue Violet (Viola sororia), Nodding Wild Onion (Allium cernuum), Red-berried Elderberry (Sambucus racemosa), Shrubby St Johnswort (Hypericum prolificum), Switch Grass (Panicum virgatum)
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Mar 28/13: Spiked Blazing Star (Liatris spicata), Yellow Giant Hyssop (Agastache nepetoides)
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