2001 BLOOMING WILDFLOWERS 

Found blooming in Cook County by Lorraine Anderson - lorraine@bwca.cc (See the individual reports linked by date at the right for more details)

Click here for the 2001 Blooming Tree and Shrub List

Click Here for the 2000 List

Agrimony, Common - Agrimonia gryposepala - 8/1

Alyssum, Hoary - Berteroa incana - 8/15

Anemone, Wood- Anemone quinquefolia - 5/9 - 6/13

Anemone, Canada - Anemone canadensis

Arbutus Trailing - Epigaea repens - 5/2

Aster, Alpine (we think) 8/1

Aster, Large Leafed - Aster macrophyllus

Aster, Purple Stemmed - Aster punicceus

Aster, Purple or White - 8/1-8/29

Aster, Small White - 8/29

Avens, Yellow - Geum aleppicum - 7/4 -8/1

Avens, White - Geum canadense - 6/20

Baneberry, Red - Actaea rubra - 5/23 - 6/13

Bedstraw, Northern - Galium boreale - 7/11-8/8

Bedstraw, Rough - Galium asprellum - 8/1-8/15

Bellflower, Creeping - Campanula rapunculoides - 7/11-8/22

Bellwort, Sessile - leaved - Uvularia sessilfolia - 5/16 - 5/23

Bindweed (see Buckwheat, Climbing False)

Bindweed, Upright - Convolvulus spithamaeus - 6/13

Black-eyed Susan - Rudbeckia serotina - 7/4-9/1

Bloodroot -Sanguinaria canadensis 5/2 - 5/9

Blue-eyed Grass -Sisyrinchium - 6/13-8/1

Buckbean, bog - Menyanthes trifoliata - 6/13

Buckwheat, Climbing False - Polygonum scanclens - 6/20-8/29

Bugloss, Vipers - Echium vulgare - 7/4-8/1

Bunchberry - Cornus canadensis - 5/30 - 7/4

Buckbean, Bog - Menyanthes trifoliata - 5/30

Butter & Eggs - Linaria vulgaris - 6/27-9/1

Buttercup, Tall or Common - Ranunculus acris - 6/6 - 8/15

Buttercup, Swamp - Ranunculus septentrionalis - 6/6-6/27

Butterwort - Pinguicula vulgaris - 5/30 - 6/20

Calla, Wild or Water Arum - Calla palustris - 6/13 - 6/27

Chamomile, Scentless - Matricaria maritima - 8/15

Campion or Lychnis, Evening - Lychnis alba - 7/4-8/29

Caraway - Carum carvi - 6/6-6/27

Chamomile, Scentless - Matricaria maritima - 8/1-9/1

Chickweed, Field - Cerastium arvense - 6/20-7/11

Chickweed, Mouse-ear - Cerastium vulgatum - 8/15

Chicory - Cichorium intybus - 8/1-8/8

Cicely, Sweet - Odmothiza clatoni 6/20

Cinquefoil, Rough - Potentilla norvegica - 8/1-8/15

Cinquefoil, Rough-fruited - Potentilla recta - 8/1

Cinquefoil, Shrubby - Potentilla fruticosa - 6/20-8/15

Cinquefoil, Three tooth - Potentilla tridentata - 6/20 - 8/1

Clematis, Rock, Purple - Clematis verticillari - 5/30 - 6/13

Clintonia (Blue Bead Lily) - Clintonia borealis - 5/30 - 6/27

Clover, Sweet, Purple White or Yellow - 8/1

Clover, Purple, Red, White or Pink etc. - 6/20 - 8/29

Clover, Hop - Trifolium agrarium - 7/4-8/22

Clover, Least Hop - Trifolium debium - 7/11

Clover, Yellow Sweet - Melilotus officinalis

Clover, Rabbitsfoot - Trifolium arvense - 7/4 -9/1

Coltsfoot, Early - Petasites palmatus 5/9 - 5/23

Columbine (Honeysuckle) - Aquilegia canadensis 6/6 - 7/11

Commandra Northern - Geocauion liviclum -(berry) 8/22

Coralroot, Northern or Early - Corallorhiza maculata - 5/30 - 6/6

Coralroot, Spotted - Corallorhiza maculata - 6/20

Coralroot, Yellow - Corallorhiza ochrokuca - 7/4

Corydalis, Pale or Pink - Corydalis sempervirens - 6/6

Cotton Grass- 6/6 - 6/13

Cow-Parsnip - Heracleum maximum - 6/27 - 8/1

Cranberry, Small - Vaccinium oxycoccos - 6/13 - 6/27

Cress, Common Winter (mustard) - 5/23 - 7/4

Cress, Smooth Rock - Arabis hirsuta - 6/13

Cuckoo-flower - Cardimine bulbosa 5/23 - 5/30

Daisy, Ox-eye - Chrysanthemum leucanthemum 5/16- 8/29

Dandelion, Common - Taraxacum officinale 5/16 - 7/4

Dock, Indian Tobacco- Rumex - 6/27-7/11

Dogbane, Spreading - Apocynum androsaemifolium - 6/27 -8/1

Dutchman’s-breeches - Dicentra cucullaria 5/9 - 5/16

Everlasting, Pearly - Anaphalis margaritacea - 8/1- 9/1

Eyebrite - Euphrasia americana - 8/15-9/1

Fireweed -Epilobium angustifolium - 7/4-8/22

Fleabane, Daisy - Erigeron annuus - 8/8 -8/29

Forget-me-not, Smaller - Myosotis laxa - 6/27

Forget-me-not, True - Myosotis scorpioides - 5/30 - 7/11

Gaywings (Polygala, Fringed) - Polygala paucifolia - 6/6 -6/13

Gentian, Closed or Bottle - Gentiana clausa - 8/15

Gentian, Spurred - Halenia deflexa - 8/1-8/22

Ginger, Wild - Asarum canadense 5/23 - 6/6

Goat’s-beard, yellow - Tragopogon pratensis - 6/27

Goldenrod - Solidago - 8/1-9/1

Goldenrod, Bog - Solidago purshii - 8/15

Goldenrod, Canada - Solidago canadensis - 8/15-8/22

Goldthread - Coptis groenlandica - 6/6

Grass-of-Parnassus - Parnassia glauca - 8/1

Harebell - Campanula rotundifolia - 8/1-8/22

Hawkweed, Canada - Hieracium vulgatum - 8/8

Hawkweed, Yellow - Hieracium scabrum - 6/27-8/22

Hawkweed, Orange - Hieracium aurantiacum - 6/6 - 8/15

Hawkweed, Yellow - Hieracium scabrum - 6/20

Heal-all - Prunella vulgaris - 7/4-8/22

Herb-Robert - Geranium robertianum - 8/15

Honeysuckle, Glaucous (vine) -Lonicera dioica - 6/13

Indian pipes - Monotropa uniflora (seed) 8/22

Iris, Blue Flag - Iris versicolor - 6/27-7/11

Jack-in-the-Pulpit- Arisaema atrorubens 5/23 - 6/27

Jewelweed, Spotted - Impatiens capensis - 8/8-9/1

Joe Pye Weed ssp.- 7/4 -8/29

Knapweed, Spotted - Centaurea maculosa - 8/1

Labrador-Tea - Ledum groenlandicum - 6/20

Lady’s-Slipper, Yellow - Cypripedium calceolus - 6/27-7/4

Lady’s-Slipper, Pink - Cypripedium acaule - 5/30

Laurel, Pale (Bog) - Kalmia polifolia - 5/30

Leatherleaf- Chamaedaphne calyculata - 5/30

Lettuce, White - Prenanthes alba - 8/15-9/1

Lily, Bullhead (Yellow Waterlily) - Nuphar variegatum

Lily-of-the-Valley, Wild - Maianthemum canadense - 5/30 -6/20

Lily, Trout - Erythroniym americanum 5/9 -

Lily, Small Yellow Pond - Nuphar microphyllum - 7/4-8/29

Lily, Water, white - Nymphaea odorata - 8/15-8/29

Lily, Wood - Lilium andinum - 7/11

Lobelia, Brook or Kalm’s - Lobelia kalmii - 8/1-8/15

Loostrife, Yellow - Lysimachia terrestris

Lupine - Lupinus polyphylus - 6/13 - 7/11

Lychnis, Evening - Lychnis alba - 6/13 - 6/20

Marsh-marigold - Cowslip - Caltha palustris 5/16 - 6/13

Meadow-rue, Early - Thalictrum dioicum - 6/20 - 7/11

Meadowsweet - Spiraea latifolia - 8/1-8/15

Mertensia - Mertensia virginica 5/23 - 7/4

Miterwort. Naked - Mitella nuda - 6/6 - 6/13

Moccasin-flower, Pink - Cypripedium acaule 5/30 - 6/13

Mullein, Common - Verbascum thapsus - 8/1-8/8

Mustard, Wormseed - Erysimum cheiranthoides - 8/1

Nettle, Hemp - Galeopsis tetrahit - 8/15

Nettle, White Dead - Lamium album - 8/1

Orchid, Long-bracted - Habenaria viridis - 7/11

Orchis, Northern Green(bog) - Habenaria hyperborea 7/11

Orchis, Ragged Fringed - Habenaria lacera - 7/11-8/1

Orchis, Round-leaved - Habenaria orbiculata - 6/13

Parsnip, Cow - Heracleum maximum - 6/20

Pea, Beach - Lathyrus japonicus - 8/1-8/15

Penstemon - Beardtongue - Penstemon digitalis - 6/27

Pineapple weed - Matricaria matricarioides - 8/1-8/15

Pink, Deptford - Dianthus deltoides - 8/1-8/29

Pitcher-plant - Sarracenia purpurea 6/20 - 6/27

Plantain, Dwarf Rattlesnake - Goodyera repens

Primrose, Evening - Oenothera biennis - 7/11 - 8/19

Primula laurentiana - 5/16 - 5/30

Pussytoes, Field- Antennaria neglecta 5/16 - 6/20

Pyrola, Lesser - Pyrola minor - 6/13-7/11

Pyrola, One-sided - Pyrola secunda - 7/4-7/11

Pyrola, Pink - Pyrola asarifolia - 6/27- 7/11

Ragwort, Round leaf - Senecio obovatus - 8/1-8/8

Rattlesnake Root - Prenanthes trifoliata 8/8-9/1

Rose, Wild - Rosa - 6/13 - 8/8

Sarsaparilla, Wild - Aralia nudicaulis - 5/30 - 6/13

Saxifrage, Early - Saxofraga vorgomoca - 5/16

Silverweed - Potentilla anserina - 5/30 - 6/27

Snakeroot, Clustered - Sanicula gregaria - 6/20 - 7/11

Sorrel, Sheep - Rumex acelosella - 5/30 - 6/20

Sorrel, Wood , yellow - Oxalis montana 6/20

Solomon’s-Seal - Polygonatum - 6/6

Solomon’s-Seal, False - 6/6 - 6/27

Solomon’s-Seal, Three-leaved - Smilacina trifolia - 6/13- 6/27

Sorrel, Wood - Oxalis montana - 6/27-7/11

Spring-beauty- Claytonia 5/9 - 6/6

Spurrey, Sand - Spergularia rubra - 6/27 -8/29

Stitchwort, Lesser - Stellaria graminea - 7/4-8/29

Strawberry, Barren - Waldsteinia fragarioides - 5/30 - 6/13

Strawberry, Common- Fragaria virginiana 5/16 - 6/20

Sundrops - Onothera fruticosa - 6/20

Tansy - Tanacetum vulgare - 8/8-9/1

Thimbleweed - Anemone virginiana - 8/1

Thistle, Canada - Cirsium arvense) 8/1-8/29

Thistle, Bull - Cirsium vulgare - 8/1-8/15

Thistle, Common Sow - Sonchus oleraceus - 8/1-8/22

Thistle, Nodding - Carduus nutans - 8/1

Thistle, Sow - Sonchus asper - 8/8-9/1

Trefoil, Birdsfoot - Lotus corniculatus - 6/13-9/1

Trillium, Nodding - Trillium cernuum 5/23 - 6/20

Turtlehead - Chelone glabra - 8/1-8/8

Twinflower - Linnea borealis 6/13 - 7/4

Twisted-Stalk , Rose - Streptopus roseus - 6/6

Vetch, Crown - Coronilla varia - 8/1

Vetch, Purple - Vica americana - 6/13 -8/15

Vetchling, Pale - Lathyrus ochroleucus - 6/13 - 6/27

Violets, Yellow, Blue, Purple & White beginning 5/9 - 6/6

Virgin’s Bower - Clematis virginiana - 8/1-8/22

Wintergreen, One-flowered or One-flowered Pyrola - 6/20-7/11

Yarrow - Achillea millefolium - 7/4-8/29

Yarrow, Pink - Achillea - 7/4-7/11

REFERENCES: Newcomb & Peterson

Rare Plants of the Superior National Forest

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