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Thumbnail photos of Plants
Eloise Butler Wildflower Garden
Alphabetical T to Z
By common Name


Other thumbnail selections to choose from:

Thumbnails of flowering plants by Common Name
Thumbnails A to D


Thumbnails E to M

Thumbnails N to S

Thumbnails T to Z

Grasses/Sedges (Sci Name)
Ferns
Thumbnails sorted by color
Spring

Late Spring

Early Summer -All colors
Thumbnails sorted by color
Late Summer

Late Summer Seeds and fruits

Autumn

Autumn Seeds

Botanical classification: In recent years Botanists have reclassified many plants from previous classifications. In some cases consolidating species and varieties and in some cases reclassifying to a different genus. Our prime source is Flora of North America, and in Minnesota the Annotated Checklist of the Vascular Flora of Minnesota. Reference books in print will not reflect these recent updates until revised editions are published. While many plants may be known by a previous botanical name and, in many cases by a variety of common names, we have updated the listings on this website to the newest nomenclature.

*Bloom time: For flowering plants, the approximate time for first blooms; for other plants - when first fully formed or in leaf. Some plants bloom for long periods. " Spring" = April to May 31; "Early Summer" = June 1 to July 15; "Late Summer" = July 16 to August 31; "Autumn" = Sept. 1 to Oct. 31.

Links on the Common name are to a page of photos and plant information.
Historical (once present) and other Minnesota plants not found in the Garden are so noted.

Tall Bellflower
Tall Bellflower (American Bellflower)
Campanulastrum americanum (L.) Small
Mid to Late Summer
Tall buttercup
Tall Buttercup
Ranunculus acris L.
Late Spring to Early Summer
Late Goldenrod
Tall (Late) Goldenrod
Solidago altissima L.
Late Summer to Autumn
Tall Larkspur
Tall Larkspur
[not in Garden]
Delphinium exaltatum Aiton
Late Summer
Tall Meadow Rue
Tall Meadow Rue
(Purple Meadow Rue)
Thalictrum dasycarpum Fisch & Ave-Lall.
Early to Late Summer
Giant Sunflower
Tall Sunflower (Giant Sunflower)
Helianthus giganteus L.
Mid to Late Summer
Thumbnail
Tall Thimbleweed
Anemone Virginiana L.
Early Spring to Early Summer
Tall Blue Lettuce
Tall Blue Lettuce
[not in the Garden]
Lactuca biennis (Moench) Fernald
Late Summer
Talus Slope Penstemon
Talus Slope Penstemon -see- Foxglove Beardtongue
Penstemon digitalis Nutt. ex Sims
Late Spring to Early summer
Tansy
Tansy
historical, not extant
Tanacetum vulgare L.
Late Summer
Tatarian Honeysuckle
Tatarian Honeysuckle*
Lonicera tatarica L.
Spring
Thimbleberry
Thimbleberry (Flowering Raspberry)
Rubus parviflorus Nutt.
Early Summer
Thimbleweed
Thimbleweed
Anemone cylindrica A.Gray
Late Spring to Early Summer
Thin-leaved Coneflower
Thin-leaved Coneflower
Rudbeckia triloba L.
Late Summer to Autumn
Threepetal Bedstraw
Threepetal Bedstraw
Galium trifidum L.
Early to Late Summer. Photo ©Robert Bierman, Wisconsin Flora
Thyme-leaf Speedwell
Thyme-leaf Speedwell
[Historical, not extant]
Veronica serpyllifolia L.
Late Spring to Early Summer
Thumbnail
Toadflax, Bastard
Comandra umbellata (L.) Nutt.
Late Spring to Early Summer
Toadshade
Toadshade (Sessile Trillium)
Trillium sessile L.
Spring
Trailing Wild Bean
Trailing Wild Bean (Amberique Bean)##
Strophostyles helvola (L.) Elliott
Mid - late Summer
True Forget me not
True Forget-me-not
Myosotis scorpioides L.
Early Spring to Autumn
Tufted Loosestrife
Tufted Loosestrife (Swamp Loosestrife)
Lysimachia thyrsiflora L.
Late Spring to Early Summer
Turk's Cap lily
Turk's-cap Lily
Lilium superbum L.
Early to Late Summer
White Turtlehead
Turtlehead (White Turtlehead)
Chelone glabra L.
Late Summer to Autumn
Twinleaf
Twinleaf
Jeffersonia diphylla (L.) Pers.
Spring
Twoleaf Mitrewort
Twoleaf Mitrewort
Mitella diphylla L.
Mid-spring
Two-Leaved toothwort
Two-leaved Toothwort (Crinkleroot)
Cardamine diphylla (Michx.) Alph. Wood
Spring
Veiny Vetchling
Veiny Pea
Lathyrus venosus Muhl. ex Willd.
Late Spring - Early Summer
Virgin's Bower
Virgin's Bower
Clematis virginiana L.
Early Summer to Early Autumn
Virginia Bluebells
Virginia Bluebells
Mertensia virginica (L.) Pers. ex Link
Spring
Virginia Creeper - see Woodbine below
Parthenocissus quinquefolia
Spring
Virginia Ground Cherry
Virginia Groundcherry
Historical, not extant
Physalis virginiana Mill.
Early Summer to Autumn
Virginia Mountain Mint
Virginia Mountain Mint
Pycnanthemum virginianum (L.) T. Dur. & B.D.Jackson ex B.L. Robins & Fernald.
Early Summer - Late Summer
Virginia Spring Beauty
Virginia Spring Beauty
Claytonia virginica L.
Spring
Virginia Stickseed
Virginia Stickseed (Beggar's Lice)
Hackelia virginiana (L.) I. M. Johnst.
Late Summer to Autumn
Common Virginia Strawberry
Virginia Strawberry
Fragaria virginiana Duchesne
Spring to early summer
Virginia Waterleaf
Virginia Waterleaf
Hydrophyllum virginianum L.
Spring to Early Summer
Eastern Yahoo
Wahoo (Eastern Wahoo)
Euonymus atropurpurea Jacq. var. atropurpurea
Late Spring
Water Arum -see- Wild Calla
below
Calla palustris L.
Spring
waterhemlock
Water Hemlock
Historical, not extant
Cicuta maculata L.
Early to Late Summer
Water Horehound
Water Horehound
Lycopus americanus Muhl. ex W.P.C. Barton
Early to Late Summer. ©Kitty Kohout, Wisconsin Flora
Water Horsetail
Water Horsetail
Equisetum fluviatile L.
Late Spring to Early Summer
Water Smartweed
Water Smartweed
Not in the Garden
Persicaria amphibia (L.) Gray
Mid-summer to Autumn
Western Poison Ivy
Western Poison Ivy
Toxicodendron rydbergii (Small ex Rydb.) Greene
Early Summer flowering
Western Sand Cherry
Western Sand Cherry
historical, not extant
Prunus pumila L. var. besseyi (L.H. Bailey) Gleason
Spring
Western Silver Aster
Western Silver Aster (Silky Aster)
Symphyotrichum sericeum (Vent.) G.L. Nesom
Late Summer to Autumn
Western Sunflower
Western Sunflower (Few-leaved Sunflower)
Historical, not extant
Helianthus occidentalis Riddell
Late Summer
White Arrowleaf Aster
White Arrowleaf Aster
Symphyotrichum urophyllum (Lindl.) G.L. Nesom
Late Summer to Autumn
White Avens
White Avens
Geum canadense Jacq.
Early Summer
White Baneberry
White Baneberry
Actaea pachypoda Elliot
Spring to Early Summer
White Campion
White Campion
Historic, not extant
Silene latifolia Poir.
Early to Late Summer
White Clover
White Clover
Trifolium repens L.
Early Summer to Late Summer
False White Indigo
White False Indigo
Baptisia alba (L) Vent. var. macrophylla
Early Summer
thumbnail
White Heath Aster
Symphyotrichum ericoides (L.) G.L. Nesom
Late Summer to Autumn
White Panicle Aster
White Panicle Aster
Symphyotrichum lanceolatum var. lanceolatum (Willd.) Nesom
Late Summer to Autumn
White Prairie Clover
White Prairie Clover
Dalea candida Michx. ex Willd
Early to Late Summer
Rattlesnake Root
White Rattlesnake Root
Prenanthes alba L.
Late Summer to Autumn
thumbnail
White Sage (Prairie Sage)
Artemisia ludoviciana Nutt. subsp. ludoviciana
Late summer to Autumn
White Snakeroot
White Snakeroot
Ageratina altissima L.
Late Summer to Early Autumn
White Sweet Clover
White Sweet Clover
Melilotus alba Medikus
Early to Late Summer
White Trillium
White Trillium -see- Large-flowered Trillium
Trillium grandiflorum (Michx) Salisb.
Spring
White Trout Lily
White Trout-lily (White Fawn lily)
Erythronium albidum Nutt.
Spring
White Vervain
White Vervain
Verbena urticifolia L.
Early Summer to Late Summer
White Wood Aster
White Wood Aster
Eurybia divaricata (L.) G. L. Nesom
Late summer to Autumn
Wholeleaf Rosinweed
Wholeleaf Rosinweed
Silphium integrifolium Michx.
Early to Late Summer
Whorled Loosestrife
Whorled Loosestrife
Lysimachia quadrifolia L.
Early to Late Summer
Whorled Milkweed
Whorled Milkweed
Asclepias verticillata L.
Early Summer to Late Summer
Wild Bean
Wild Bean see:Groundnut
Apios americana Medik.
Late Summer to Early Autumn
Wild Bergamot
Wild Bergamont
Monarda fistulosa L.
Late Summer to Early Autumn
Thumbnail
Wild Black Currant (American Black Currant)
Ribes americanum Mill.
Spring
Blue Wild Indigo
Wild Blue Indigo: See False Blue Indigo
Baptisia australis (L.) R. Br.
Late Spring to Early Summer
Thumbnail
Wild Blue Phlox
Phlox divaricata L.
Spring to Early Summer
Wild White Indigo: See White False Indigo above
Wild Calla
Wild Calla (Water Arum)
Calla palustris L.
Spring
thumbnail
Wild Columbine
Aquilegia canadensis L.
Spring to Late Summer
Wild Cucumber
Wild Cucumber
(Historic, not extant)
Echinocystis lobata (Michx.) Torr. & A. Gray
Late Summer
Wild Four O'clock
Wild Four O-Clock: See Heartleaf Four O'clock
Mirabilis nyctaginea (Michx.) MacMill.
Early Summer
Wild Garlic
Wild Garlic
Allium canadense L.
Early to Late summer
Wild Geranium
Wild Geranium (Spotted Geranium)
Geranium maculatum L.
Spring to Early Summer
Wild Ginger
Wild Ginger (Canadian Wild Ginger)
Asarum canadense L.
Spring to Early Summer
Wild Hyacinth
Wild Hyacinth (Atlantic Camas) Historical - not extant
Camassia scilloides (Raf.) Cory
Late Spring
Wild Leek
Wild Leek (Ramp)
Allium tricoccum Sol.
Early Summer
Wild Lettuce
Wild Lettuce
Lactuca canadensis L.
Early Summer to Autumn
Wild Lupine
Wild Lupine
Lupinus perennis L.
Late Spring to Early Summer
Wild Mint
Wild Mint
Mentha arvensis L. var. canadensis
Early Summer to Late Summer
Wild Oats
Wild Oats
(Sissileleaf Bellwort)
Uvularia sessilifolia L.
Spring
Wild Onion
Wild Onion
(Autumn Onion)
Allium stellatum Fraser ex Ker Gawl.
Late Summer to Early Autumn
thumbnail
Wild Plum
Prunus americana Marsh.
Late Spring
Wild Poinsettia
Wild Poinsettia
Euphorbia cyathophora Murray
Late Summer to Autumn
Thumbnail
Wild Quinine
Parthenium integrifolium L.
Early Summer
Thumbnail
Wild Red Raspberry
Rubus idaeus L. var. strigosus (Michx.) Focke
Early Summer flower, late summer fruit
Wild Rose
Wild Roses Comparison Sheet
Rosa
Six separate species in the Garden
Early Summer to late Summer
Wild Sarsaparilla
Wild Sarsaparilla
Aralia nudicaulis L.
Late Spring to Early Summer
Wild Senna
Wild Senna
Senna hebecarpa (Fernald) Irwin & Barneby
Late Summer
Wild Sweet William
Wild Sweet William
Historical, not extant
Phlox maculata L.
Early to late summer
Wild  Yamroot
Wild Yamroot
Dioscorea villosa L.
Early to Late Summer
Willowherb
Willowherb
Epilobium coloratum Biehler
Late Summer to Autumn
Wingstem
Wingstem
not in the Garden
Verbesina alternifolia (L.) Britton ex Kearney
Late Summer
Thumbnail
Winterberry
Ilex verticillata (L.) A. Gray
Early Summer
Witch Hazel
Witch Hazel
Hamamelis virginiana L.
Autumn, late, sometimes after the Garden closes
Witch's Moneybags
Witch's Moneybags -see- Live Forever
Hylotelephium telephium (L.) H. Ohba.
Late Summer to Early Autumn
Wolf berry
Wolfberry
Symphoricarpos occidentalis Hook.
Early Summer to Late Summer
Thumbnail
Wood Anemone
Anemone quinquefolia L.
Spring
Wood Lily
Wood Lily
Lilium philadelphicum L.
Early Summer. Photo Martha Crone
Thumbnail
Wood Nettle
(Canadian Wood Nettle)
Laportea canadensis (L.) Weddell
Early to Late Summer
Wood Poppy
Wood Poppy
Stylophorum diphyllum (Michx.) Nutt.
Spring
woods' Rose
Woods' Rose
Rosa woodsii Lindl.
Early summer to late summer
Woodbine
Woodbine (Grape Woodbine)
Parthenocissus vitacea (Knerr) Hitchc.
Spring
Woodland Strawberry
Woodland Strawberry
Fragaria vesca L.
Spring to Early Summer
Yarrow
Yarrow
Achillea millefolium L.
Early to Late Summer
Yellow Avens
Yellow Avens
Geum aleppicum Jacq.
Early Summer
Yellow Daylily
Yellow Day Lily
Hemerocallis lilioasphodelus L.
Late Spring to Early Summer
Yellow Flag
Yellow Flag Iris
(Paleyellow Iris)
Iris pseudacorus L.
Early Summer
Yellow Hawkweed
Yellow Hawkweed: See Rough Hawkweed
Hieracium umbellatum L.
Late Summer to Autumn
Yellow Lady's-slipper
Yellow Lady's-slipper (Greater - large flowered)
Cypripedium parviflorum Salisb. var. pubescens (Willd.) Knight
Late Spring, usually last half of May
Lesser Yellow Lady's-slipper
Yellow Lady's-slipper (Greater - small flowered)
Historical Garden Plant - not extant.
Cypripedium parviflorum Salisb. var. makasin
Late Spring, usually last half of May
Yellow Rocket
Yellow Rocket (Winter Cress)
Not in the Garden
Barbarea vulgaris R.Br.
Late Spring
Yellow Salsify
Yellow Salsify
Tragopogon dubius L.
Late Spring to Early Summer
Yellow Sweet Clover
Yellow Sweet Clover
Meliotus officinalis (L.) Lam.
Early to Late Summer
Yellow trillium
Yellow Trillium (Yellow Wakerobin)
Trillium luteum (Muhl.) Harbison
Spring
Yellow Trout Lily
Yellow Trout-lily (Dog-tooth Violet)
Erythronium americanum Ker Gawl.
Spring
Yellow Violet
Yellow Violet -see:(Downy Yellow Violet)
Viola pubescens Aiton
Spring
Yellow Wakerobin - see- Yellow Trillium above
Trillium luteum (Muhl.) Harbison
Spring
Yellow Wood Sorrel
Yellow Wood Sorrel
Oxalis stricta L.
Early to Late Summer
Zig-Zag goldenrod
Zigzag Goldenrod
Solidago flexicaulis L.
Late Summer to Autumn

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