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1
Morden-Smithsonian Expedition to Dominica : the lichens (Graphidaceae) /
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2
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3
A monograph of the lichen genus Pseudoparmelia Lynge (Parmeliaceae) /
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4
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5
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7
A monograph of the lichen genus Parmelina Hale (Parmeliaceae) /
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8
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9
A monograph of the lichen genus Bulbothrix Hale (Parmeliaceae) /
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10
Studies in the genus Boerhavia L. (Nyctaginaceae) 1-5 /
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11
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12
A scanning electron microscope survey of the epidermis of East African grasses, II /
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13
Caryopsis morphology and classification in the Triticeae (Pooideae:Poaceae) /
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14
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16
Classification of the outlying species of New World Panicum (Poaceae : Paniceae) /
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17
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18
An illustrated key to the families of the order Teuthoidea (Cephalopoda)
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19
Taxonomy of deep-sea Trachyleberidid, Thaerocytherid, and Hemicytherid genera (Ostracoda) /
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20
The mesophotic, coral reef-associated, marine algal flora of Puerto Rico, Caribbean Sea /
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Government Document Online Book