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Notes on American Rorippa (Cruciferae)
Vol 63, Page 1
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A re-evaluation of the generic status of Ascyrum and Crookea (Guttiferae)
Vol 63, Page 10
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Chromosome numbers of some Brazilian Leguminosae
Vol 63, Page 16
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A decade of botanizing in Illinois
Vol 63, Page 19
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New combinations in grasses
Vol 63, Page 24
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Rhododendron maximum in Hopkinton and Harrisville, New Hampshire
Vol 63, Page 26
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Campanular persistence
Vol 63, Page 29
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Notes on Lesser Antilles ferns
Vol 63, Page 31
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A new name for he puberulent sessile-leaved Uvularia
Vol 63, Page 36
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New records for North Dakota
Vol 63, Page 39
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A fern new to Rhode Island
Vol 63, Page 46
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Fourteenth report of the committee on plant distribution
Vol 63, Page 47
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A New Manual for Ohio Vascular Plants
Vol 63, Page 55
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An Indispensable Manual of Tropical Marine Botany
Vol 63, Page 57
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An ecological interpretation of Rhododendron colonies in Maine and New Hampshire
Vol 63, Page 61
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Taxonomic fern notes
Vol 63, Page 70
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A variegated foliage form of Commelina
Vol 63, Page 88
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Some new aspects of the fern Platyzoma microphyllum
Vol 63, Page 91
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The genus Lechea (Cistaceae) in the Southeastern United States
Vol 63, Page 103
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Mentzelia albescens and Lonicera xylosteum in Missouri
Vol 63, Page 118
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A new variety of Rudbeckia fulgida
Vol 63, Page 119
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Chromosome numbers in the Compositae. V. Mexican and Guatemalan Species
Vol 63, Page 121
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Notes on the grass flora of the Chicago region. II
Vol 63, Page 130
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Some notes on Myriophyllum spicatum
Vol 63, Page 139
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Bidens connata var. gracilipes Fern. in western Michigan
Vol 63, Page 145
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New plant records from Kansas
Vol 63, Page 146
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Eragrostis curvula from Illinois
Vol 63, Page 148
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Notes on the flora of Penikese Island, Massachusetts
Vol 63, Page 149
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SYNOPSIS OF THE GENUS XANTHOCEPHALUM (COMPOSITAE)
Vol 63, Page 151
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Roots and the taxonomic differences between Botrychium oneidense and B. dissectum
Vol 63, Page 164
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Two New Orchid Records for Ontario
Vol 63, Page 175
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A Range Extension for Parapholis incurva
Vol 63, Page 176
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A New Species of Haplopappus From Mexico
Vol 63, Page 177
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Contemporary Notes on Powell's Expeditions in the West
Vol 63, Page 179
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Spore studies in the genus Cystopteris I. The distribution of Cystopteris with non-spiny spores in North America
Vol 63, Page 181
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The genus Pteris of Costa Rica
Vol 63, Page 194
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A Second Station for Stewartia ovata on the Coastal Plain
Vol 63, Page 206
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VARIANCE IN HERBARIUM SPECIMEN IDENTIFICATION AND OTHER CONSIDERATIONS BASED UPON THE PREPARATION OF A LOCAL FLORA
Vol 63, Page 207
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A NEW ZEPHYRANTHES FROM SOUTHERN TEXAS
Vol 63, Page 214
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MERGER OF THE NORTH AMERICAN HOUSTONIA AND OLDENLANDIA UNDER HEDYOTIS
Vol 63, Page 216
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DRABA APRICA IN OKLAHOMA
Vol 63, Page 223
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GISEKIA PHARNACIOIDES, A NEW WEED
Vol 63, Page 226
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HETEROSTYLY AND HOMOSTYLY IN LITHOSPERMUM CANESCENS (BORAGINACEAE)
Vol 63, Page 229
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A new species of Panicum from New Jersey
Vol 63, Page 235
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EVIDENCE FOR THE HYBRID ORIGIN OF SCIRPUS PECKII
Vol 63, Page 237
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Environmental variation in Heterotheca sub-axillaris f Compositael
Vol 63, Page 243
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Observations on the Sagittaria subulata complex
Vol 63, Page 247
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The chromosomes of Podophyllum peltatum [Berberidaceae]
Vol 63, Page 267
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A list of algae from selected areas in Massachusetts
Vol 63, Page 275
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L Further notes on Chamaecyparis thyoides in New Hampshire
Vol 63, Page 281
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Which side is up? A look at the leaves of Oryzopsis [Gramineael
Vol 63, Page 285
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A check list of Walter Deane's seedling collection
Vol 63, Page 287
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The bulbiferous Ranunculus ficaria
Vol 63, Page 289
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A Useful Multilingual Botanical Dictionary
Vol 63, Page 291
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A Notable Assemblage of Plants in New Hampshire
Vol 63, Page 294
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The specific epithet of the pecan
Vol 63, Page 296
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Introgression of Alnus serrulata and Alnus rugosa [Betulaceae]
Vol 63, Page 297
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Some new or otherwise interesting reports of Liliaceae from the southeast states
Vol 63, Page 304
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Hybrid aspens in the Lower Peninsula of Michigan
Vol 63, Page 311
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A disjunct community of chestnut oak in Mississippi
Vol 63, Page 324
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Viola rafinesquii: Nomenclature and native status
Vol 63, Page 327
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The genus Oleandra of Costa Rica
Vol 63, Page 335
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Vascular plants on the cinder cone of Paricutin Volcano in 1960
Vol 63, Page 340
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A weedy crucifer again reaches North America
Vol 63, Page 345
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An albino fruited form of Gaultheria procumbens f Ericaceae]
Vol 63, Page 346
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Corrections in Reports of the Committee on Plant Distribution
Vol 63, Page 348
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A Botanical Atlas of the Danish Flora
Vol 63, Page 349