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261
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262
A scanning electron microscope survey of the epidermis of East African grasses, II /
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Government Document Online Book -
263
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264
A revision of the lichen genus Hypotrachyna (Parmeliaceae) in tropical America /
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Government Document Online Book -
265
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267
A monograph of the lichen genus Parmelia Acharius sensu stricto (Ascomycotina : Parmeliaceae) /
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Government Document Online Book -
268
Caryopsis morphology and classification in the Triticeae (Pooideae:Poaceae) /
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269
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270
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271
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272
Revision of the South American genus Otachyrium (Poaceae, Panicoideae) /
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Government Document Online Book -
273
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274
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275
Geographic and climatic relationships of avifaunas with special reference to comparative distribution in the neotropics
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Government Document Online Book -
276
Polychaetes from intertidal areas in Panama, with a review of previous shallow-water records
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Government Document Online Book -
277
Shrimps of the Pasiphaeid genus Leptochela with descriptions of three new species, (Crustacea, Decapoda, Caridea)
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Government Document Online Book -
278
Pelagic shrimps of the Sergestes edwardsii species group (Crustacea: Decapoda: Sergestidae)
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Government Document Online Book -
279
Harbansus, a new genus of marine Ostracoda, and a revision of the Philomedidae (Myodocopina)
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Government Document Online Book -
280
Clinid fishes of Chile and Peru with description of a new species, Myxodes ornatus, from Chile /
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Government Document Online Book