Revisions of the genera acanthospermum, flourensia, ouedaea and tithonia/

Main Author: Blake, S. F.
Format: Book
Language:English
Published: Washington: Government Printing Office, 1921
Series:United States : National Museum : Bulletin
Subjects:
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100 1 |a Blake, S. F. 
245 1 0 |a Revisions of the genera acanthospermum, flourensia, ouedaea and tithonia/  |c S. F. Blake 
260 |a Washington:  |b Government Printing Office,  |c 1921 
300 |a p. 383-436 :  |b diagrs ;  |c 25 cm. 
490 0 |a United States : National Museum : Bulletin 
500 |a At head of title: Contributions from the United States National Herbarium, vol. 20, part 10 
504 |a Includes index 
650 0 |a Paleontology 
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