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Notes on Neotropical Malpighiaceae VII
Vol 22, Page 1
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Taxonomy of Xylopia barbata (Annonaceae) and related species from the Amazon/Orinoco region
Vol 22, Page 21
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Sphagnum leucobryoides reconsidered
Vol 22, Page 29
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Revision of Spathacanthus (Acanthaceae)
Vol 22, Page 33
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Revision of Stenostephanus (Acanthaceae) in Mexico
Vol 22, Page 47
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FOUR NEW SPECIES OF POLYALTHIA (ANNONACEAE) FROM BORNEO AND THEIR RELATIONSHIP TO POLYALTHIA INSIGNIS
Vol 22, Page 95
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Chromosome numbers of some eastern North American species of Carex and Eleocharis (Cyperaceae)
Vol 22, Page 105
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New species of Carex (Cyperaceae) from Chiapas, Mexico
Vol 22, Page 121
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Sphagnum fuscovinosum, a new species from Australia
Vol 22, Page 131
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TAXONOMIC NOTES ON THE PTERIDOPHYTES OF HAWAII— II
Vol 22, Page 135