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Articles 991 - 1020 of 3481
Full-Text Articles in Botany
Acer Saccharum Marshall, John E. Ebinger
Acer Saccharum Marshall, John E. Ebinger
Acer Saccharum Marshall, John E. Ebinger
Viola Rafinesquii Greene, John E. Ebinger
Acer Rubrum Wats., Cris Thomas
Verbena Simplex Lehm., John E. Ebinger
Biological Species Concepts In Eastern North American Populations Of Lentinellus Ursinus, Andrew N. Miller
Biological Species Concepts In Eastern North American Populations Of Lentinellus Ursinus, Andrew N. Miller
Masters Theses
As part of a biosystematic study of the Lentinellus ursinus species complex, field and herbarium specimens from North America, Central America, and Europe were examined. Single basidiospore isolates from basidiomata collected in Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Tennessee, North Carolina, Wisconsin, Costa Rica, and Austria were crossed in all possible combinations to determine the mating system operating in each population. All populations exhibited bifactorial or tetrapolar mating systems. Tester strains were then crossed to identify intercompatible populations and to determine if morphological species in the L. ursinus species complex are congruent with biological species. Three biological species were recognized …
Environmental Requirements For Sporocarp Germination In Marsileaceae, Kevin J. Kruep
Environmental Requirements For Sporocarp Germination In Marsileaceae, Kevin J. Kruep
Masters Theses
Experiments were conducted on sporocarps of Marsilea quadrifolia L. to determine whether temperature had any influence on the length of the reproductive period and initial sperm emergence from microgametophytes. Data were then compared to results of similar studies undertaken with the species M. vestita Hooker and Greville to determine whether there was any variation between them. A slight variation was recorded, ranging from 1 to 1.5 hours for initial emergence.
An additional set of experiments was performed with 58 year old sporocarps and approximately two-year-old sporocarps of M. quadrifolia. A difference of 2-6.5 hours for initial sperm emergence occurred between …
A Study Of The Lichens At Rocky Branch Nature Preserve, Clark County, Illinois, Eric B. Grunder
A Study Of The Lichens At Rocky Branch Nature Preserve, Clark County, Illinois, Eric B. Grunder
Masters Theses
In 1971, a graduate student at Eastern Illinois University, James E. Wiedman, studied the lichen flora of Rocky Branch Nature Preserve, Clark County, Illinois. During his study he collected, identified, and recorded a total of 64 lichen species. Since 1971, Rocky Branch Nature Preserve has experienced a dramatic increase in use by people and a concomittant decline in the quality of lichen habitats. In order to assess the decline of suitable lichen habitats and the reduction of lichen species a second study of the lichens at Rocky Branch Nature Preserve was undertaken. As part of this study, ten habitat sites …
Spiranthes Cernua (L.) Rich., Robert Edgin
Verbena Simplex Lehm., William Mcclain
Spiranthes Cernua (L.) Rich., James Knop
Spiranthes Cernua (L.) Rich., William Davison
Verbena Hastata L., Bob Edgin
Parthenocissus Tricuspidata (Siebold & Zucc.) Planch., Gordon C. Tucker
Parthenocissus Tricuspidata (Siebold & Zucc.) Planch., Gordon C. Tucker
Specimens by Name
No abstract provided.
Acer Glabrum Var. Torreyi (Greene) Smiley, Barbara Ertter
Acer Glabrum Var. Torreyi (Greene) Smiley, Barbara Ertter
Specimens by Name
No abstract provided.
Parthenocissus Quinquefolia (L.) Planch., John E. Ebinger
Parthenocissus Quinquefolia (L.) Planch., John E. Ebinger
Specimens by Name
No abstract provided.
Avicennia Germinans (L.) Stearn, John E. Ebinger
Avicennia Germinans (L.) Stearn, John E. Ebinger
Specimens by Name
No abstract provided.
Verbena Bracteata Lag. & Rodr., Gordon C. Tucker
Verbena Bracteata Lag. & Rodr., Gordon C. Tucker
Specimens by Name
No abstract provided.
Lippia Nodiflora (L.) Michx., John E. Ebinger
Calopogon Tuberosus (L.) Britton, Sterns & Poggenb., Vern Lagesse
Calopogon Tuberosus (L.) Britton, Sterns & Poggenb., Vern Lagesse
Specimens by Name
No abstract provided.
Lysimachia Lanceolata Walter, Bob Edgin
Morus Alba L., Steven Clemants, Kathryn Venezia
Morus Alba L., Steven Clemants, Kathryn Venezia
Specimens by Name
No abstract provided.
Lysimachia Terrestris (L.) Britton, Sterns & Poggenb., Gordon C. Tucker
Lysimachia Terrestris (L.) Britton, Sterns & Poggenb., Gordon C. Tucker
Specimens by Name
No abstract provided.
Vitis Aestivalis F.Michx., Steven D. Glenn, D. Martin
Vitis Aestivalis F.Michx., Steven D. Glenn, D. Martin
Specimens by Name
No abstract provided.
Morus Rubra L., John E. Ebinger
Acer Rubrum Wats., John E. Ebinger
Viola Rafinesquii Greene, John E. Ebinger
Viola Sagittata Ait., Bob Edgin
Claytonia Virginica L., Bob Edgin