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Braya in boreal eastern America
Vol 50, Page 1, Date 1948
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The new Washington-Baltimore Checklist
Vol 50, Page 15, Date 1948
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A red fruited form of Podophyllum peltatum
Vol 50, Page 18, Date 1948
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Notes on Minnesota plantlife
Vol 50, Page 19, Date 1948
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LESPEDEZA STRIATA AND L. STIPULACEA
Vol 50, Page 21, Date 1948
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Notes on the Compositae of the northeastern United States. VI. Cichorieae, Eupatorieae, and Astereae
Vol 50, Page 28, Date 1948
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A prostrate Rorippa
Vol 50, Page 35, Date 1948
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FRUIT KEY TO NORTHEASTERN TREES (A Reply to a Review by M. L. Fernald)
Vol 50, Page 36, Date 1948
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Generic status of Triodanis and Specularia
Vol 50, Page 38, Date 1947
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A Nova Scotian dwarf shadbush
Vol 50, Page 49, Date 1948
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Campylium Halleri in New Brunswick
Vol 50, Page 52, Date 1948
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A Virginian Peltandra
Vol 50, Page 56, Date 1948
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A hybrid between shagback and bitternut hickory in southeastern Vermont
Vol 50, Page 60, Date 1948
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A new species of Euphorbia from Oklahoma
Vol 50, Page 63, Date 1948
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A dangerous weedy Polygonum in Pennsylvania
Vol 50, Page 64, Date 1948
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A list of freshwater algae from New Brunswick
Vol 50, Page 67, Date 1948
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Another New Hampshire Station for Subularia
Vol 50, Page 72, Date 1948
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A small gathering of blackberries
Vol 50, Page 73, Date 1948
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A study of Elymus in Minnesota
Vol 50, Page 80, Date 1948
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Distribution notes and some minor forms from Oklahoma
Vol 50, Page 91, Date 1948
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Sida in Oklahoma
Vol 50, Page 99, Date 1948
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Rorippa: a Correction
Vol 50, Page 100, Date 1948
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Unlisted new names in Alphonso Wood's botanical publications
Vol 50, Page 101, Date 1948
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New Names for Two Brazilian Species
Vol 50, Page 132, Date 1948
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Some minor Forms of Rosa
Vol 50, Page 145, Date 1948
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Studies of American types in British herbaria
Vol 50, Page 149, Date 1948
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SIX ADDITIONS TO THE ADVENTITIOUS FLORA OF QUEBEC
Vol 50, Page 176, Date 1948
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STUDIES OF AMERICAN TYPES IN BRITISH HERBARIA (Continued)
Vol 50, Page 181, Date 1948
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PODOSTEMUM, HIPPURIS AND HOTTONIA IN NEW HAMPSHIRE
Vol 50, Page 209, Date 1948
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A Model Flora of Nova Scotia
Vol 50, Page 211, Date 1948
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The Name Taraxacum Officinale
Vol 50, Page 216, Date 1948
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STUDIES OF AMERICAN TYPES IN BRITISH HERBARIA (Continued)
Vol 50, Page 217, Date 1948
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Two new names in Populus
Vol 50, Page 233, Date 1948
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Erigeron compositus Pursh, var. discoideus Gray, forma trifidus (Hook.), stat. nov. E. trifidus Hook. Fl. Bor.-Am. ii. 17, t. cxx (1834)
Vol 50, Page 238, Date 1948
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THE CONFUSED BASES OF THE NAME PINUS PALUSTRIS
Vol 50, Page 241, Date 1948
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The proposed changes in Article 58, international rules of botanical nomenclature
Vol 50, Page 249, Date 1948
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THE FLORA OF PENIKESE, SEVENTY-FOUR YEARS AFTER
Vol 50, Page 253, Date 1948
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PSEUDO-ELEPHANTOPUS SPICATUS, A WEED OF POTENTIAL IMPORTANCE IN FLORIDA
Vol 50, Page 280, Date 1948
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Floerkea proserpinacoides in Nova Scotia
Vol 50, Page 283, Date 1948
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Scirpus verecundus, nom. nov
Vol 50, Page 284, Date 1948
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The flora of Penikese seventy-four years after, III. penikese Island Fungi
Vol 50, Page 285, Date 1948
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Forms of Cornus canadensis in Minnesota
Vol 50, Page 304, Date 1948