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Articles 91 - 110 of 110
Full-Text Articles in Life Sciences
E–H, Stephen L. Wood, Donald E. Bright Jr.
E–H, Stephen L. Wood, Donald E. Bright Jr.
Great Basin Naturalist Memoirs
No abstract provided.
Division Magnoliophyta – Class Liliopsida, Stanley L. Welsh, N. Duane Atwood, Sherel Goodrich, Larry C. Higgins
Division Magnoliophyta – Class Liliopsida, Stanley L. Welsh, N. Duane Atwood, Sherel Goodrich, Larry C. Higgins
Great Basin Naturalist Memoirs
No abstract provided.
A–D, Stephen L. Wood, Donald E. Bright Jr.
A–D, Stephen L. Wood, Donald E. Bright Jr.
Great Basin Naturalist Memoirs
No abstract provided.
Division Magnoliophyta – Class Magnoliopsida, Stanley L. Welsh, N. Duane Atwood, Sherel Goodrich, Larry C. Higgins
Division Magnoliophyta – Class Magnoliopsida, Stanley L. Welsh, N. Duane Atwood, Sherel Goodrich, Larry C. Higgins
Great Basin Naturalist Memoirs
No abstract provided.
Division Lycopodiophyta, Stanley L. Welsh, N. Duane Atwood, Sherel Goodrich, Larry C. Higgins
Division Lycopodiophyta, Stanley L. Welsh, N. Duane Atwood, Sherel Goodrich, Larry C. Higgins
Great Basin Naturalist Memoirs
No abstract provided.
Reproductive Structure Of Lithocarpus Sensu Lato (Fagaceae): Cymules And Fruits, Robert B. Kaul
Reproductive Structure Of Lithocarpus Sensu Lato (Fagaceae): Cymules And Fruits, Robert B. Kaul
School of Biological Sciences: Faculty Publications
Seventy-three species were examined for structural and developmental details of the cymules and fruits. The cymules bear one to seven or more flowers and are subtended by one to nine or more bracteoles. Generally, the number of flowers and bracteoles in the pistillate cymules is the same or less than in the staminate ones. Some of the latter have an inner set of bracteoles that could be homologous to the pistillate cupule. Scales are present at anthesis on the cupules of all species examined, but in some species they fail to enlarge, are torn or disintegrate, or fall away as …
New And Corrected Records Of The Flora Of Nebraska, Steven B. Rolfsmeier, Robert B. Kaul, David M. Sutherland
New And Corrected Records Of The Flora Of Nebraska, Steven B. Rolfsmeier, Robert B. Kaul, David M. Sutherland
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
New distributional data are provided for 27 species of vascular plants in Nebraska, eight newly recorded as growing wild in the State. The record of one species previously attributed to the State is shown to be based upon misidentified specimens, the range of another is shown to be much more restricted in Nebraska than previously reported, and nomenclature is corrected for two species.
Cyanogenic Plants Of Illinois, Kevin E. Aikman
Cyanogenic Plants Of Illinois, Kevin E. Aikman
Masters Theses
Cyanogenesis in 50 species of vascular plants collected from east central Illinois was studied by examining 10 populations of each species. Each population consisted of 30 individuals, which gave an over all sample size of 300 plants per species. Herbarium specimens from the Stover Herbarium of Eastern Illinois University (EIU) were also tested for the presence of cyanide. More than 20,000 specimens were tested for this study which included cultivated plants, introduced weeds, and native plant species. The speed and degree of the HCN reaction as well as the specific plant part tested were included to give a more specific …
Evaluation Of Repellent Seed Treatments And Effects On Early Corn Performance, Ann E. Koehler, Ron J. Johnson, Orvin C. Burnside, Stephen R. Lowry
Evaluation Of Repellent Seed Treatments And Effects On Early Corn Performance, Ann E. Koehler, Ron J. Johnson, Orvin C. Burnside, Stephen R. Lowry
Department of Agronomy and Horticulture: Faculty Publications
A combination of field, field enclosure, and germination chamber studies was used to evaluate the effects of methiocarb [3,5-dimethyl-4-(methylthio)phenol methylcarbamate] and thiram (tetramethylthiuram disulfide) repellent seed treatments on early corn performance. The thiram treatments used (0.08, 0.4,0.8,0.5,1.25, and 2.5% active ingredient by corn seed weight) had negligible effects on germination/emergence time or on com plant heights. The thiram treatments never reduced stand counts in comparison to controls, but apparently increased stand counts in some trials, particularly under wet conditions. The methiocarb treatments evaluated (0.5, 1.25, 2.5, and 5.0% active ingredient by corn seed weight) had only occasional effects on early …
The Characteristics And Phytogeographic Affinities Of The Flora Of Nine-Mile Prairie, A Western Tall-Grass Prairie In Nebraska, Robert B. Kaul, Steven B. Rolfsmeier
The Characteristics And Phytogeographic Affinities Of The Flora Of Nine-Mile Prairie, A Western Tall-Grass Prairie In Nebraska, Robert B. Kaul, Steven B. Rolfsmeier
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
Three hundred ninety-two species, subspecies, and varieties have been recorded at Nine-Mile Prairie, a relict tall-grass prairie that has been reduced from 323 to 97 ha in the past 50 years. There are 218 native and 17 introduced herbaceous perennial species, and 73 native and 24 introduced annuals. Analogous numbers for biennials are 15 and 11, for shrubs are 14 and one, for trees are ten and three, and for woody vines are six and none. One hundred twenty-one native species are of central and eastern North American phytogeographic affinity, and 109 are of transcontinental affinity. Seventy-nine of the Prairie's …
A Survey Of The Vascular Flora Of Black Hawk County, Iowa, Karen E. Van Norman
A Survey Of The Vascular Flora Of Black Hawk County, Iowa, Karen E. Van Norman
Dissertations and Theses @ UNI
Black Hawk County, located in the east-central part of the state of Iowa, is a political subdivision of 570 square miles. The topography of the county is the result of glaciation, erosion and deposition, causing gently rolling plains. The Cedar and the Wapsipinicon rivers transect the county from the northeast to the southwest. With their tributaries, these rivers comprise a natural drainage network which has enhanced agricultural practices throughout the county.
The vascular flora of the county was surveyed in the field during the growing seasons of 1982 and 1983. Over 1500 voucher specimens were collected. Data were also compiled …
New County Records Of Arkansas Vascular Flora From The University Of Central Arkansas Herbarium, Donald E. Culwell
New County Records Of Arkansas Vascular Flora From The University Of Central Arkansas Herbarium, Donald E. Culwell
Journal of the Arkansas Academy of Science
No abstract provided.
Arkansas Pteridophyte Flora Update: A New Checklist And Additional County-Level Occurrence Records, James H. Peck, Carol J. Peck, W. Carl Taylor
Arkansas Pteridophyte Flora Update: A New Checklist And Additional County-Level Occurrence Records, James H. Peck, Carol J. Peck, W. Carl Taylor
Journal of the Arkansas Academy of Science
No abstract provided.
Woody Plants Of South Arkansas: Computer Aided Instruction In Dendrology, J. F. Dickson, Jimmie L. Yeiser
Woody Plants Of South Arkansas: Computer Aided Instruction In Dendrology, J. F. Dickson, Jimmie L. Yeiser
Journal of the Arkansas Academy of Science
No abstract provided.
New Locations For Pondberry (Lindera Melissifolia) In Arkansas, Edward Leon Richards
New Locations For Pondberry (Lindera Melissifolia) In Arkansas, Edward Leon Richards
Journal of the Arkansas Academy of Science
No abstract provided.
A Taxonomic Re-Evaluation Of Specimens Of The Genus Caloplaca In The E.L. Stover Herbarium Of Eastern Illinois University, Eric J. Cameron
A Taxonomic Re-Evaluation Of Specimens Of The Genus Caloplaca In The E.L. Stover Herbarium Of Eastern Illinois University, Eric J. Cameron
Masters Theses
The genus Caloplaca is the largest genus in the family Teloschistaceae. The 103 species in the genus greatly outnumber any other in the family. Lichens of the genus Caloplaca are usually orange to orange-yellow in color, and range from crustose to subfoliose in form. The orange color is due to an anthraquinone, parietin, the location of which is taxonomically important in this genus of lichens. In some species it occurs only in the apothecia, while in others it is found in both the apothecia and thallus. The spores of this genus are polarilocular, and the width of the isthmus is …
Tolerance To Soil Type In Rock Outcrop Plants, Nora Ann Coyne Bennett
Tolerance To Soil Type In Rock Outcrop Plants, Nora Ann Coyne Bennett
Dissertations, Theses, and Masters Projects
No abstract provided.
Medicinal Herbs Of Central Illinois, James E. Hefley
Medicinal Herbs Of Central Illinois, James E. Hefley
Masters Theses
A survey of the medicinal plants of central Illinois was conducted from fall of 1985 to the summer of 1987. This study concentrated on those herbaceous plants which have a scientific basis for their medicinal value. The study range included the following counties: Coles, Moultrie, Shelby, Fayette, Christian, and Montgomery.
In this paper, 58 species were considered, representing 33 families. A description of external morphology is included for each specimen, as well as folknames and habitat preferences. In addition, the medicinal qualities and active constituents are included for each specimen, as well as comments about their scientific and folknames.
In …