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The systematics of the American species of Alnus (Betulaceae)
Vol 81, Page 1
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The typification and taxonomic status of Spartina caespitosa A. A. Eaton
Vol 81, Page 123
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RANGE EXTENSIONS OF CAREX IN MINNESOTA
Vol 81, Page 131
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NAME CHANGE FOR LYCOPODIUM-FLABELLIFORME
Vol 81, Page 137
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GEOCAULON-LIVIDUM IN THE MAHOOSUC RANGE, NEW-HAMPSHIRE AND MAINE
Vol 81, Page 141
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DROSERA-LINEARIS GOLDIE REDISCOVERED IN CRYSTAL BOG, CRYSTAL, MAINE
Vol 81, Page 145
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The systematics of the American species of Alnus (Betulaceae) [concl.]
Vol 81, Page 151
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VASCULAR FLORA OF THE CARIBOU RANGE, NORTHWEST TERRITORIES, CANADA
Vol 81, Page 249
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By-Laws of The New England Botanical Club, Incorporated (To repeal and replace all previous By-Laws)
Vol 81, Page 275
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CERASTIUM CLAWSONII (CARYOPHYLLACEAE): A SYNONYM OF LINUM HUDSONIOIDES (LINACEAE)
Vol 81, Page 283
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LEDUM GROENLANDICUM REDISCOVERED IN CONCORD, MASSACHUSETTS
Vol 81, Page 285
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Revision of Lipochaeta (Compositae: Heliantheae) of the Hawaiian Islands
Vol 81, Page 291
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THE REPRODUCTIVE BIOLOGY OF PROBOSCIDEA LOUISIANICA (MARTYNIACEAE)
Vol 81, Page 345
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NECTARIES OF CERTAIN ARCTIC AND SUB-ARCTIC PLANTS WITH NOTES ON POLLINATION
Vol 81, Page 363
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Physostegia godfreyi (Lamiaceae), a new species from northern Florida
Vol 81, Page 409
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BOOK REVIEW: THE FLORA OF CAPE COD
Vol 81, Page 419
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Synopsis and pollen morphology of Vernonia (Compositae: Vernonieae) in the New World
Vol 81, Page 425
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Systematics of Zaluzania (Asteraceae: Heliantheae)
Vol 81, Page 449
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ANNOTATED LIST OF THE FERNS AND FERN ALLIES OF ARKANSAS
Vol 81, Page 503
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THE DISTRIBUTION OF PINUS BANKSIANA LAMB. IN NEW ENGLAND AND NEW YORK
Vol 81, Page 549
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HETEROSTYLY IN MITCHELLA REPENS (RUBIACEAE)
Vol 81, Page 567
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New combinations in the eastern species of Heuchera (Saxifragaceae)
Vol 81, Page 575
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CYPRIPEDIUM REGINAE REDISCOVERED IN NEW HAMPSHIRE
Vol 81, Page 579