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NOTES PRELIMINARY TO AN ACCOUNT OF CASSIA IN THE CHIHUAHUAN DESERT
Vol 6, Page 7
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AN SEM STUDY OF LEAF SURFACE PUBESCENCE IN THE SOUTHEASTERN TAXA OF PERSEA
Vol 6, Page 19
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A BIBLIOGRAPHY OF MANUALS AND CHECKLISTS OF AQUATIC VASCULAR PLANTS FOR REGIONS AND STATES IN THE CONTERMINOUS UNITED STATES
Vol 6, Page 24
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TYPIFICATION AND DISTRIBUTION OF THE VARIETIES OF GNAPHALIUM HELLERI BRITTON (COMPOSITAE-INULEAE)
Vol 6, Page 30
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STUDIES IN THE RANUNCULACEAE OF THE SOUTHEASTERN UNITED STATES. III. CLEMATIS L
Vol 6, Page 33
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NOTES ON THE FLORA OF THE MOGOLLON MOUNTAINS, NEW MEXICO
Vol 6, Page 48
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ADDITIONS AND CORRECTIONS TO THE BAHAMA FLORA—II
Vol 6, Page 52
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SEX AND THE ANGIOSPERMS—ANOTHER PROPOSITION
Vol 6, Page 63
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REVISION OF THE RHAMNUS SERRATA COMPLEX
Vol 6, Page 67
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TAXONOMY OF THE LYTHRACEAE IN THE SOUTHEASTERN UNITED STATES
Vol 6, Page 80
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THE IMPORTANCE OF REVISIONARY STUDIES IN PLANT SYSTEMATICS
Vol 6, Page 104
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ADDITIONS AND CORRECTIONS TO THE FLORA OF TEXAS
Vol 6, Page 114
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HEMIGRAPHIS REPTANS (ACANTHACEAE), A GREENHOUSE WEED IN LOUISIANA
Vol 6, Page 115
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FLOWERING PLANTS: EVOLUTION ABOVE THE SPECIES LEVEL by G. Ledyard Stebbins
Vol 6, Page 118
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APPEAL
Vol 6, Page 122
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A BIOSYSTEMATIC SURVEY OF COREOPSIS IN EASTERN UNITED STATES AND CANADA
Vol 6, Page 123
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VARIETIES OF IPOMOEA TRICHOCARPA (CONVOLVULACEAE)
Vol 6, Page 216
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TWO SPECIES OF THE 'FILAGO GERMANICA' GROUP (COMPOSITAE-INULEAE) IN THE UNITED STATES
Vol 6, Page 221
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DRYOPTERIS XLEEDSII AND ITS WESTERNMOST STATION
Vol 6, Page 224
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REINSTATEMENT OF THE GENUS TIQUILIA (BORAGINACEAE: EHRETIOIDEAE) AND DESCRIPTIONS OF FOUR NEW SPECIES
Vol 6, Page 235
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INTERNATIONAL REGISTER OF COMPUTER PROJECTS IN SYSTEMATICS
Vol 6, Page 241
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A TREATMENT OF DELPHINIUM FOR ALABAMA AND TENNESSEE
Vol 6, Page 243
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STUDIES IN THE RANUNCULACEAE OF THE SOUTHEASTERN UNITED STATES. V. RANUNCULUS L
Vol 6, Page 266
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TAXONOMY OF THE GENUS POLYGALA SERIES DECURRENTES (POLYGALACEAE)
Vol 6, Page 284
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A NEW SPECIES OF PERITYLE (ASTERACEAE) FROM COAHUILA, MEXICO
Vol 6, Page 311
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A NEW SPECIES OF EUPHORBIA (SECTION CHAMAESYCE) FROM THE BAHAMAS
Vol 6, Page 313
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NEW GYPSOPHILIC SPECIES OF PSEUDOCLAPPIA AND SARTWELLIA (ASTERACEAE) FROM WEST TEXAS AND EASTERN CHIHUAHUA
Vol 6, Page 317
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ADDITIONS TO THE BAHAMA FLORA
Vol 6, Page 321
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POLLEN MORPHOLOGY OF DALEA SECTION THEODORA (LEGUMINOSAE—PSORALEAE)
Vol 6, Page 328