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Wake-robin = Trillium cernuum (NODDING TRILLIUM) -- II 201, IV 71

Walnut = Carya spp. (HICKORY) 176 -- I 430, II 108, III 129, 292, IV 34, 120, 221, 300, 367, 378, 398, 399, 402, 405, 439, 449, V 16, 270, 273, 322, 457, 463, 470, 471, 482, 487, VI 18, 64, 85, 129, 207, VII 37, 252, VIII 47, 284, 423, IX 102, 159, 173, 177, 279, 297, X 11, 19, 67, 102, XI 194, 199, 220, 249, 402, XII 20, 30, 379, 439, XIV 189, 208, 263, 276, 281

Walnut (Black) = Juglans nigra (BLACK WALNUT) -- V 497, VI 301, IX 136, 410, 456, X 417, XII 439, XIV 184

Water-beech = Platanus occidentalis (AMERICAN SYCAMORE) -- III 34

Water-brush = Chamaedaphne calyculata (LEATHERLEAF) -- XIII 255

WATERCRESS = Nasturtium officinale

WATER-FLAXSEED = Spirodela polyrhiza

WATER-HEMLOCK = Cicuta spp.

Water-lily = Nymphaea odorata (SWEET-SCENTED WATER LILY)/Nuphar spp. (YELLOW POND-LILY) -- IV 148, 162, 233, 235, 301, V 283, 296, VI 128, 352, 361, 450

Water-lily (Sweet) = Nymphaea odorata (SWEET-SCENTED WATER LILY) -- IV 147

Water-lily (White) = Nymphaea odorata (SWEET-SCENTED WATER LILY) -- IV 205, 222, VI 352

Water-lily (Yellow) = Nuphar variegatum (BULLHEAD LILY) -- IV 222

Water-marigold = Megalodonta beckii (WATER MARIGOLD) -- III 29, 52, 54

Water-parsnip = Sium suave (WATER PARSNIP) -- II 412

WATER PENNYWORT = Hydrocotyle spp.

Water-plantain = Alisma subcordatum (SMALL WATER PLANTAIN)/Alisma triviale (LARGE WATER PLANTAIN) 2 -- IV 243, V 316, 325, 335

Water-shield = Brasenia schreberi (WATER SHIELD) -- IV (168), 238

WATER-STARWORT = Callitriche spp.

Water-target = Brasenia schreberi (WATER SHIELD) -- IV 168, 321, 325, V 310, 317, VI 390, X 229

WATERWEED = Elodea spp.

Waxwork = Celastrus scandens (CLIMBING BITTERSWEET) -- i 32, I 32, IV 102, 258, 361, V 160, 218, 450, VI 262, 301, 318, 429, VII 5, 378, 408, IX 289, X 50, 281, XII 380, 381, 382, 439,

Wayfarer's Tree = 221 -- V 347

Wayfaring-tree (American) = Viburnum alnifolium (HOBBLEBUSH) -- IV 344

Weather-glass (Poor-man's) = Anagallis arvensis (SCARLET PIMPERNEL) -- VII 434

Wellingtonia gigantea = Sequoiadendron giganteum (GIANT SEQUOIA) -- XIV 310

Whiteweed = Chrysanthemum leucanthemum (OXEYE DAISY) -- II 257, 264, 276, 286, 310, IV 68, 80, 88, 115, 146, 257, 387, V 184, 197, 235, 277, VI 316, 375, 386, VII 409, VIII 362, 385, IX 419, X 488, XI 37, XII 403, XIII 348, 383

Whortleberry = Vaccinium spp. (BLUEBERRY)/Gaylussacia spp. (HUCKLEBERRY) -- II 61, VII 12, XIV 224, 298, 300, 308, 309

Whortleberry Family = 328 -- VI 309, XIV 297

Wicopy = Dirca palustris (LEATHERWOOD) -- IX 68

Willow = Salix spp. (WILLOW) -- i 78, 128, 144, 167, 205, 235, 441, 445, 453, 456, I 85, 140, 154, 180, 447, 451, II 124, 126, 256, 267, 311, 321, 410, 435, 436, 440, III 6, 16, 29, 43, 46, 52, 54, 60, 87, 129, 161, 299, 345, 351, 361, 362, 370, 391, 397, 400, 402, 405, 410, 414, 419, 433, 434, 436, 458, 465, 466, 472, 477, 478, IV 9, 20, 26, 28, 32, 33, 35, 36, 37, 38, 40, 41, 42, 43, 45, 52, 53, 55, 60, 65, 71, 74, 145, 150, 164, 184, 234, 238, 239, 284, 298, 301, 322, 326, 332, 352, 418, 419, 438, V 7, 15, 38, 40, 46, 55, 57, 61, 65, 70, 71, 72, 76, 80, 81, 86, 92, 95, 96, 97, 98, 103, 105, 111, 117, 118, 122, 124, 126, 133, 134, 138, 145, 146, 153, 160, 165, 181, 184, 188, 284, 290, 298, 302, 306, 316, 323, 380, 383, 417, 440, 452, 460, 463, 466, 468, 469, 470, 475, 476, 479, 516, VI 84, 86, 113, 114, 120, 135, 167, 169, 172, 189, 190, 201, 207, 211, 213, 217, 229, 232, 233, 234, 235, 239, 245, 251, 254, 256, 259, 260, 271, 281, 287, 298, 323, 392, 419, 421, 424, 454, 455, 464, VII 4, 9, 11, 47, 53, 58, 83, 158, 212, 232, 248, 251, 253, 258, 259, 260, 261, 294, 306, 317, 318, 328, 329, 332, 335, 341, 342, 352, 357, 363, 376, 388, 394, 395, 396, 399, 417, 418, 421, 444, 449, 458, 509, 513, 517, VIII 3, 4, 17, 38, 59, 69, 124, 144, 161, 181, 196, 209, 219, 253, 255, 266, 307, 329, 331, 368, 369, 370, 383, 399, 416, 443, 457, IX 20, 56, 75, 80, 95, 240, 251, 267, 278, 307, 314, 334, 341, 348, 351, 363, 380, 461, 463, 474, 497, 499, X 59, 130, 132, 245, 305, 338, 340, 344, 348, 349, 353, 360, 363, 365, 385, 386, 395, 396, 417, 420, 423, 445, 447, 463, 488, 504, XI 17, 25, 26, 36, 46, 47, 71, 72, 74, 77, 80, 81, 98, 114, 115, 117, 164, 168, 171, 182, 186, 213, 214, 217, 220, 234, 248, 249, 251, 252, 258, 276, 288, 342, 347, 365, 376, 401, 407, 417, 421, 441, 455, XII 35, 42, 77, 84, 114, 115, 119, 132, 133, 135, 136, 138, 147, 157, 164, 167, 176, 206, 227, 228, 229, 243, 251, 273, 376, 391, XIII 48, 61, 65 , 123, 179, 203, 216, 228, 232, 237, 240, 244, 249, 256, 258, 261, 263, 265, 267, 284, 287, 291, 293, 305, 327, 330, 340, 353, 369, 400, 401, XIV 4, 26, 28, 50, 55, 73, 74, 88, 89, 120, 134, 162, 175, 263, 313, 326, 327, 328, 329,

Willow (Black) = Salix nigra (BLACK WILLOW) -- IV 74, 180, 203, 389, V 27, 132, 149, 152, 238, 241, 386, 389, 390, 402, 436, 450, 465, VI 263, 281, (296), 300, 323, 325, 348, 350, 355, VII 5, 54, 259, 376, 380, 413, 421, 424, 451, VIII 4, 13, 16, 20, 24, 87, 122, 137, 159, 161, 347, 369, IX 20, 113, 166, 220, 221, 240, 408, 463, 468, X 59, 60, 117, 132, 397, XI 71, 78, 79, 80, 105, 106, 114, 136, 157, 163, 202, 203, 206, 258, 394, 412, 418, XII 136, 138, 140, 199, 228, 233, 240, 243, 259, 260, 267, 336, 388, XIII 101, 306, 353, 373, 375, 377, 383, XIV 53, 82

Willow (Black Dwarf) = Salix nigra (BLACK WILLOW) -- IV 188

Willow (Bog) = Salix discolor (PUSSY WILLOW) -- III 479, IV 74

WILLOW (BOG) = Salix pedicellaris

Willow (Brittle Gray) = Salix sericea (SILKY WILLOW) -- III 478, 479

Willow (Dwarf) = Salix pedicellaris (BOG WILLOW) -- II 121, VI 317

Willow (Glaucous) = Salix discolor (PUSSY WILLOW) -- III 479

Willow (Golden) = Salix alba (WHITE WILLOW) -- III 471, IV 389, V 3, 134, 135, 138, 171, 440, 447, 450, VI 269, 281, 383, VII 129, 185, 255, 298, 323, 381, VIII 181

Willow (Late Water) = Salix nigra (BLACK WILLOW) -- IV 33

Willow (Little Sage) = Salix humilis var. microphylla (DWARF GRAY WILLOW) -- XI 214

Willow (Long-beaked) = Salix bebbiana (BEBB WILLOW) -- VIII 368

Willow (Low Bush) = Salix humilis (PRAIRIE WILLOW) -- III 479

Willow (Muhlenberg's) = Salix humilis (PRAIRIE WILLOW) -- VII 369

Willow (Plum-leaved) = Salix amygdalina (ALMOND-LEAVED WILLOW) -- IX 414

Willow (Sage) = Salix humilis var. microphylla (DWARF GRAY WILLOW) -- III 80, 479, V 92, VI 296, 300, VII 383, IX 193, X 71, XI 222

Willow (Silky-headed) = Salix discolor (PUSSY WILLOW) -- III 479

Willow (Silky-leaved) = Salix sericea (SILKY WILLOW) -- III 479

Willow (Swamp) = Salix discolor (PUSSY WILLOW) -- IV 55, 74, V 5, 42, 101

Willow (Two-colored) = Salix discolor (PUSSY WILLOW) -- III 479

Willow (Weeping) = Salix babylonica (WEEPING WILLOW) -- XI 155, 276, 301, 399, 406, XIV 327

Willow (White) = Salix alba (WHITE WILLOW) -- VII 388, X 38, 59, 92, 181, 185, XI 261, 316, XII 175, 179, XIII (65), 340, 353, XIV 327, 331

Willow (Wooly-headed Swamp) = Salix discolor (PUSSY WILLOW) -- III 479

Willow (Yellow) = Salix alba (WHITE WILLOW) -- IV 26, VIII 302

Willow-herb = Epilobium spp. (WILLOW-HERB) -- III 94, V 484

Willow-herb (Colored) = Epilobium coloratum (PURPLE-LEAVED WILLOW-HERB)/ Epilobium glandulosum (NORTHERN WILLOW-HERB) 2 -- II 422, IV 291

Willow-herb (Spiked) = Epilobium angustifolium (FIREWEED) -- IV 154

Willow-herb (Swamp) = Decodon verticillatus (SWAMP LOOSESTRIFE) -- II 502

Wind-flower -- Anemone quinquefolia (WOOD ANEMONE) -- IV 26

Winterberry = Ilex spp. (WINTERBERRY) 257 -- II 125, 278, 281, III 129, 220, IV 432, 441, VIII 97, XI 258, 380

Winterberry (Evergreen) = Ilex glabra (INKBERRY) -- III 318

Winterberry (Smooth) = Ilex laevigata (SMOOTH WINTERBERRY) -- IV 121

Wintergreen = Chimaphila spp. (PIPSISSEWA, WINTERGREEN)/Pyrola spp. (PYROLA) 223 -- III 198, 302, IV 176, VI 76, 144, 209, VII 188, 405, VIII 60, 223, XI 205, 222, 323, 332, XII 108, XIII 306

Wintergreen (Common) = Chimaphila umbellata (PIPSISSEWA) -- II 283

Wintergreen (Flowering) = Polygala paucifolia (FRINGED POLYGALA) -- IV 72, VII 306

Wintergreen (Spotted) = Chimaphila maculata (STRIPED WINTERGREEN) -- VI 124

Wintergreen (Umbelled) = Chimaphila umbellata (PIPSISSEWA) -- II 282, V 214

Witch-hazel = Hamamelis virginiana (WITCH-HAZEL) -- i 459, II 126, 186, III 45, 59, 61, 64, 88, 90, 92, 292, 375, IV 391, 392, 397, 410, 415, 427, 477, V 160, 432, 433, (435), 474, 475, 481, 501, 505, VI 264, 282, 300, VII 25, 42, (45), 64, 518, IX 67, 84, 85, 123, 125, X 25, 49, 100, 123, 136, 137, 149, 152, XI 154, 197, 206, 222, 321, 358, XII 186, 320, 334, 377, 450

Withe-rod = Viburnum cassinoides (WITHE-ROD) -- II 494

Woodbine = Parthenocissus quinquefolia (VIRGINIA CREEPER)/Parthenocissus inserta (THICKET CREEPER) 2 -- II 74, 459, 489, 501, IV 265, 266, 344, 359, 361, V 319, 368, 516, VI 282, 300, 401, 434, VII 438, X 48, 67, XI 154, 227, XII 381, 410

Wood Fern = Dryopteris marginalis (MARGINAL WOODFERN) -- VI 133

WOODFERN (SPINULOSE) = Dryopteris spinulosa

WOODFERN (MARGINAL) = Dryopteris marginalis

Wood Grass = Sorghastrum nutans (WOOD GRASS) -- XI 147, XII 224

Wood Grass (Purple) = Andropogon scoparius (BROOM GRASS) -- XI 125, 126, 307

Woodsia ilvensis (RUSTY WOODSIA) -- X 24, 25, XI 23, 155, 172, XII 360, 365, XIII 247

Woodsia virginica 8 = Woodwardia virginica (VIRGINIA CHAIN-FERN) -- XI 84

Wood-sorrel = Oxalis spp. (WOOD-SORREL) -- V 205

Wood-sorrel (Upright) = Oxalis europaea (YELLOW WOOD-SORREL) -- II 389

Wood-sorrel (Violet) = Oxalis violacea (VIOLET WOOD-SORREL) -- IX 370, 409

Wood-sorrel (Yellow) = Oxalis europaea (YELLOW WOOD-SORREL) -- IV 95, XII 199

Woodwardia = Woodwardia virginica (VIRGINIA CHAIN-FERN) -- XII 394, XIII 350

Woodwardia virginica (VIRGINIA CHAIN-FERN) -- XII 313, 360

Wool-grass = Scirpus spp. (WOOL-GRASS) 323 -- IV 386, 389, 429, V 297, 344, 486, 506, 529, VI 375, 421, 441, 446, 452, VII 424, 517, VIII 3, 4, 16, 20, 402, 423, IX 23, 127, 219, 461, X 60, 494, XI 7, 31, 60, 74, 83, 114, 127, 128, 134, 152, 164, 197, 198, 253, 316, 317, XII 98, 224, 225, 257, 259, 269, XIII 24, 42, XIV 8, 27, 45, 55

Wool-grass (Common) = Scirpus spp. (WOOL-GRASS) 288 -- XIV 18

Wool-grass (Large Early) = Scirpus longii (LONG'S WOOL-GRASS) -- XIII 354

Worm-seed = Chenopodium botrys (JERUSALEM OAK) -- III 72, V 398

Wormwood = Ambrosia artemisiifolia (COMMON RAGWEED) -- II 60, IV 250, 266, 278, V 340, 358, VIII 335, 466, IX 155, XIV 314

WORMWOOD = Artemisia spp.

Wormwood (Roman) = Ambrosia artemisiifolia (COMMON RAGWEED) -- II 59, 62, 64, 126, 382, 473, V 361, 383, 391, VIII 411, IX 146, 241, X 289, XI 391, 395, XII 293, 306, 450, XIII 18, 408, XIV 313

Wormwood (Sea) = Artemisia spp. (WORMWOOD) 231 -- VII 436

Wound-wort = Stachys tenuifolia (COMMON HEDGE NETTLE) -- II 424



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http://www.ray-a.com/ThoreauBotIdx/BI-W.htm -- Revised: Sept. 2, 2020

Created by: Ray Angelo
rangelo@oeb.harvard.edu