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The nomenclature and synonymy of the Amaranthaceae, Chenopodiaceae and Nycteginaceae of the flora of Texas
Vol 18, Iss 1, Page 1
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Additional notes on the Eriocaulaceae. XVII
Vol 18, Iss 1, Page 44
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NOTES ON THE GROWTH OF ULVA AS A FUNCTION OF AMMONIA NITROGEN
Vol 18, Page 65
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Five novelties in the Verbenaceae
Vol 18, Page 70
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Annotated list of fungi on Verbenaceous hosts from the 'Mycologia Index'
Vol 18, Page 113
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Additional records for Porella pinnata in southeastern United States
Vol 18, Iss 2, Page 129
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Notes on Bromeliaceae, XXIX
Vol 18, Page 137
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Mimosa bahamensis, a Bahama-Yucatan disjunct
Vol 18, Page 143
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Certamen Melastomataceis XIII
Vol 18, Iss 3, Page 147
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New tree species from Esmeraldas, Ecuador
Vol 18, Page 195
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Six addtional verbenaceons novelties
Vol 18, Iss 4, Page 209
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Qataria Reed, nom. nov. for Polygonella Elliott
Vol 18, Iss 4, Page 212
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Notes on Neotropical Euphorbiaceae 4. Monograph of the genus Actinostemon
Vol 18, Page 213
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Additional notes on the Eriocaulaceae. XX
Vol 18, Page 241
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Flora of the Prairie provinces. Part II (continued). Additions and corrections
Vol 18, Iss 5, Page 281
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A half dozen noteworthy phanerogams
Vol 18, Iss 5, Page 294
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Additional notes on the Eriocaulaceae. XXI
Vol 18, Page 295
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Ormosia schunkei, another new species from Peru
Vol 18, Page 337
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Homonymy in Arthrospira Stizenb. (Oscillatoriaeceae)
Vol 18, Iss 6, Page 339
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A FURTHER NOTE ON CHROMOSOME NUMBERS OF THAILAND COMPOSITAE-D PLUCHEA-INDICA-D
Vol 18, Page 340
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Additional notes on the Eriocaulaceae. XXII
Vol 18, Page 344
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A new species of Cordia [C. porcata] (Boraginaceae) from Panama
Vol 18, Iss 6, Page 397
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Psilopilum mexicanum sp. nov
Vol 18, Page 401
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NEW COMBINATIONS IN POLYTRICHACEAE
Vol 18, Page 403
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New tree species from Esmeraldas, Ecuador (Continued)
Vol 18, Page 404
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Two new species [Scutellaria lewisiana, Cordia dwyeri] from Panama
Vol 18, Iss 7, Page 419
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Three new subspecific taxa in Petrea, Permna, and Vitez
Vol 18, Iss 7, Page 421
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ADDITIONAL NOTES ON THE ERIOCAULACEAE-M XXIII
Vol 18, Page 422
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New tree species from Esmeraldas, Ecuador (Continued)
Vol 18, Page 457
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A synopsis of the genus Piscidia (Leguminosae)
Vol 18, Page 473
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A NEW SPECIES OF LANTANA-D FROM HISPANIOLA
Vol 18, Page 500