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Articles 1861 - 1890 of 3481
Full-Text Articles in Botany
Viola Pratincola Greene, John E. Ebinger
Viola Rafinesquii Greene, John E. Ebinger
Viola Pubescens Aiton, John E. Ebinger
Viola Sororia Willd., John E. Ebinger
Verbena Bipinnatifida Nutt., R. M. Sims
Claytonia Virginica L., S. J. Mcnabb
Spiranthes Vernalis Engelm. & A. Gray, Hampton Parker
Spiranthes Vernalis Engelm. & A. Gray, Hampton Parker
Specimens by Name
No abstract provided.
Viola Pubescens Var. Eriocarpa (Schwein.) N.H.Russell, Randy W. Nyboer
Viola Pubescens Var. Eriocarpa (Schwein.) N.H.Russell, Randy W. Nyboer
Specimens by Name
No abstract provided.
Cleistes Divaricata (L.) Ames, 1922, Hampton Parker
Cleistes Divaricata (L.) Ames, 1922, Hampton Parker
Specimens by Name
No abstract provided.
Verbena Halei Small, Peggy Hohertz
Viola Rafinesquii Greene, Randy L. Vogel
Verbena Halei Small, Mary Ann Jones
Phoradendron Villosum Nutt., S. Buening
Verbena Bipinnatifida Nutt., R. Higgins, J. Macuszek
Verbena Bipinnatifida Nutt., R. Higgins, J. Macuszek
Specimens by Name
No abstract provided.
Verbena Halei Small, Joan Macuszek, R. Higgins
Verbena Halei Small, Joan Macuszek, R. Higgins
Specimens by Name
No abstract provided.
Viola Pratincola Greene, Hampton Parker
Myrica Cerifera L., Hampton M. Parker
Anagallis Arvensis L., Donna Hobbs
Viola Primulifolia L., Hampton Parker
Melaleuca Quinquenervia (Cav.) S.T.Blake, Gordon C. Tucker
Melaleuca Quinquenervia (Cav.) S.T.Blake, Gordon C. Tucker
Specimens by Name
No abstract provided.
Cytological Investigations Of Eremosphaera Viridis De Bary, Richard Allen Valentino
Cytological Investigations Of Eremosphaera Viridis De Bary, Richard Allen Valentino
Masters Theses
Eremosphaera viridis de Bary was studied with light microscope techniques to determine the method of cytokinesis and to explain the ontogeny of the membranous ring separating the mature daughter cells in the intact sporangium.
It is proposed that cytokinesis in this organism is phylogenetically advanced and that the separation of mature daughter cells involves the sequential deposition of two cell walls. The first wall develops centripetally by the addition of membrane subunits. The resulting cleavage furrow is oriented by transverse microtubules found along the cell division plane. The newly formed walls separate the two daughter cells and give rise to …
Aquatic Plant Communities Of East-Central Illinois, Randolph Lee Vogel
Aquatic Plant Communities Of East-Central Illinois, Randolph Lee Vogel
Masters Theses
Aquatic plant communities of east-central Illinois were studied during the late summers of 1971 and 1976. Frequencies, relative frequencies and frequency of dominance were calculated for the various taxa. At the pond level, changes in the flora over the 5-year span have taken place, usually consisting of the addition or subtraction of one species. Overall, however, it was found that the aquatic community has remained relatively static, as has the percentage of ponds lacking aquatic plants. Factors influencing distributions and sterility are discussed and it was concluded that all the factors play varying roles, but no one factor or combination …
A Taxonomic Study Of The Lichen Flora At The Peaks Of Otter Natural Area Along The Blue Ridge Parkway, Bedford County, Virginia, Michael L. Slaughter
A Taxonomic Study Of The Lichen Flora At The Peaks Of Otter Natural Area Along The Blue Ridge Parkway, Bedford County, Virginia, Michael L. Slaughter
Masters Theses
No abstract provided.
The Bryoecology Of Montgomery County, Illinois, Elbert A. Traylor
The Bryoecology Of Montgomery County, Illinois, Elbert A. Traylor
Masters Theses
No abstract provided.
Verbena Halei Small, Greg Runyon
Viola Pratincola Greene, Randy W. Nyboer
Triphora Trianthophora Rydb. In Britton, Randy Vogel
Triphora Trianthophora Rydb. In Britton, Randy Vogel
Specimens by Name
No abstract provided.
Spiranthes Magnicamporum Sheviak, Randy W. Nyboer
Spiranthes Magnicamporum Sheviak, Randy W. Nyboer
Specimens by Name
No abstract provided.
Lysimachia Quadrifolia L., H. M. Parker
Verbena Urticifolia L., H. M. Parker