By Orin Alva Stevens
Plant info from North Dakota kingdom collage presents a goldmine of data for weather swap examine. a lot of the historic info was once accrued through O.A. Stevens from 1907 to 1961. Stevens, for whom Stevens corridor is called at the NDSU campus, used to be well-known because the world's top specialist on North Dakota crops, carefully gathering prairie vegetation from throughout North Dakota in the course of his 67-year profession at NDSU. This e-book is the vintage 1963 North Dakota plant instruction manual written through NDSU Professor Orin Alva Stevens. it's a accomplished research of vegetation of North Dakota, illustrated and written in layman's phrases. The pink hardcover has no airborne dirt and dust jacket issued with it. Contents: advent; Plant Collections in North Dakota (Early Plant creditors and up to date Plant Collectors); Names of vegetation (Scientific Names); body structure of North Dakota (General Topography, Soils, plants kinds, Distribution of Species in the kingdom, common Distribution, brought Plants); Plant Characters; tips on how to Use the Keys; brief Key to critical households; normal Key to households; Description of Species; precis of households; Definition of phrases; Index. 324 pages.
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W. Dick (Dick, 1997b, 2000d). ) It is regrettable, and in view of the interest in these fungi as possible virus vectors, surprising, that these 'contaminant' zoospores have not been subject to more thorough comparative video and ultrastructural study. A much more controversial alternative explanation would be to suggest that the heterokont zoospore type is part of the plasmodiophoraceous life-history, in a way analogous to the different kinds of flagellation found in Vaucheria, in which the spermatozoids are heterokont and markedly anisokont while the coenocytic polyflagellate zoospores are not heterokont and only slightly anisokont (Koch, 1951; M0estrup, 1970; Ott & Brown, 1974).
W. ) Thur. Aphanomyces amphigynus Cutter 1200 755 668 113 Leptoiegniellaceae 696 243 Aphanomycopsis bacillariacearum Scherff. Leptoiegniella exoospora W. D. Aphanomycopsis desmidiella Canter Aphanomycopsis panctata Karling Aphanodictyon papillatum Huneycutt ex M. W. Dick Aphanomycopsis sexualis W. W. Martin Brevilegniella keratinophila M. W. ) M. W. Dick Aphanomycopsis saprophytica Karling 179 179 170 150 143 130 78 74 22 THE ZOOSPORE (Table I: I, continued) lagenidiaceous, hyphochytrid and plasmodiophorid species Cystochytrium radicaie Ivimey Cook Salilagenidium chthamaiophilum (T.
1991). Bouck (1971), for Ochromonas, suggested a somewhat different morphogenesis, whereby a similarly antiparallel arrangement was initiated in perinuclear cisternae, but with the individual TTHs subsequently receiving further ornamentation from dictyosome-derived vesicles, before being released at the base of the flagellum as the axoneme elongated. , 1970). After release, the TTHs normally become attached to opposite sides of the flagellum approximately parallel to the plane of the two central micro tubules (cf.