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Documenting effects of urbanization on flora using herbarium records (with Marcia E. Moore and Jessica D. Stephens), Journal of Ecology (2011)
1. As human populations increasingly live in cities, urban floras and the ecosystem services they...
Living More Than Just Enough for the City: Persistence of High-Quality Vegetation in Natural Areas in an Urban Setting (with Jessica D. Stephens and Marcia E. Moore), Diversity (2011)
Urban environments pose special challenges to flora, including altered disturbance regimes, habitat fragmentation, and increased...
Genetic Variation in Past and Current Landscapes: Conservation Implications Based on Six Endemic Florida Scrub Plants (with Eric S. Menges, Robert Pickert, Rebecca Yahr, and Doria R. Gordon), International Journal of Ecology (2010)
If genetic variation is often positively correlated with population sizes and the presence of nearby...
Capturing Genetic Variation during Ecological Restorations: An Example from Kankakee Sands in Indiana (with Deborah L. Marr and Andrew Schnabel), Restoration Ecology (2008)
Genetic variation in populations, both natural and restored, is usually considered crucial for response to...
Genetic change following fire in populations of a seed-banking perennial plant (with Pedro F. Quintana-Ascencio and Eric S. Menges), Oecologia (2008)
Disturbances such as fire have the potential to remove genetic variation, but seed banks may...
A new species of Streptanthus (Brassicaceae) from Three Peaks in Lake County, California (with Richard O'Donnell), Madrono (2005)
Streptanlhus vernalis is a newly described species inhabiting serpentine rock outcrops in the Three Peaks...
Population genetic structure in Nolina brittoniana, a plant endemic to the central ridges of Florida (with Rebecca Yahr and Eric S. Menges), The Southeastern Naturalist (2004)
olina brittoniana is endemic to the central ridges of peninsular Florida. Its scrub and sandhill...
The Distribution of Fox Squirrel (Sciurus niger) Leaf Nests within Forest Fragments in Central Indiana (with Carmen M. Salsbury and Emily B. Pentzer), American Midland Naturalist (2004)
We examined the abundance and placement of leaf nests by fox squirrels in six urban...
Comparative genetics of seven plants endemic to Florida’s Lake Wales Ridge (with Eric S. Menges, Rebecca Yahr, and Doria R. Gordan), Castanea (2001)
Here we submit that mathematical tools used in population viability analysis can be used in...
Genetic diversity and reproductive biology in Warea carteri (Brassicaceae), a narrowly endemic Florida scrub annual (with Margaret E., K. Evans, Eric Menges, and Doria Gordon), American Journal of Botany (2000)
Carter's mustard (Warea carteri) is an endangered, fire-stimulated annual endemic of the Lake Wales Ridge,...
Conservation implications of genetic variation in three rare species endemic to Florida rosemary scrub (with Rebecca Yahr, Eric S. Menges, and Matthew Halfhill), American Journal of Botany (1999)
Habitat conversion and fire suppression during the last 50 yr have greatly reduced and altered...
An experimental study of Hypericum cumicola demography in unoccupied and occupied Florida scrub patches with different time-since-fire (with Pedro F. Quintana-Ascencio and Eric S. Menges), Journal of Ecology (1998)
Metapopulation models predict that unoccupied, but suitable, patches will exist for species subject to extinction...
Demographic viability of populations of Silene regia in midwestern prairies: relationships with fire management, genetics, geography, population size, and isolation (with Eric S. Menges), Journal of Ecology (1998)
We studied the demographic viability of populations of a long-lived iteroparous prairie perennial, Silene regia,...
Hypericum cumulicola demography in unoccupied and occupied Florida scrub patches with different time‐since‐fire (with Pedro F. Quintana‐Ascencio and Eric S. Menges), Journal of Ecology (1998)
1 Metapopulation models predict that unoccupied, but suitable, patches will exist for species subject to...
Floristic Investigation of Crooked Creek Community of Juan Solomon Park, Indianapolis Indiana (with Raelene M. Crandall), Proceedings of the Indiana Academy of Science (1997)
The protection of plant resources in urban areas is a growing conservation concern. InveI1lory activities...
The rare, serpentine endemic Streptanthus morrisonii (Brassicaceae) species complex, revisited using isozyme analysis, Systemic Botany (1995)
The Streptanthus morrisonii (Brassicaceae) complex is a group of six narrowly-distributed obligate serpentine endemic taxa...
The Royal Catchfly (Silene Regia; Caryophyllaceae) In Indiana, Proceedings of the Indiana Academy of Science (1995)
Botanist Thomas Nuttall called the royal catchfly, Silene regia, "one of the most splendid species...
Effects of a Prescribed Burn on Tree- and Herb-layer Vegetation in a Post Oak (Quercus Stellata) Dominated Flatwoods., Proceedings of the Indiana Academy of Science (1994)
Post oak flatwoods are an unusual plant community type dominated by even-aged and uniformly sized...
Patterns of isozyme variation in relation to population size, isolation, and phytogeographic history in royal catchfly, American Journal of Botany (1994)
The distribution of genetic variation within and among plant populations is influenced by both contemporary...
The Clute holotypes and the herbarium of Willard Nelson Clute in the Friesner Herbarium of Butler University, American Fern Journal (1994)
The herbarium of Willard Nelson Clute is housed in the Friesner Herbarium (BUT). Clute, co-founder...
A Complete Index to the Butler University Botanical Studies, a Journal of Original Research Published by Butler University 1929-1964, Proceedings of the Indiana Academy of Science (1992)
For 35 years, the Botany Department of Butler University published a journal of research conducted...
The Friesner Herbarium (But) of Butler University, Brittonia (1991)
The Friesner Herbarium (But) of Butler University is a collection of over 100,000 specimens built...
Taxonomy of Streptanthus sect. Biennes, the Streptanthus morrisonii complex (with Lawrence F. LaPre), Madroño (1989)
The Streptanthus morrisonii complex is a six-taxon group of closely related serpentine rock outcrop endemics...
Vegetation and environment in an adjacent post oak flatwoods and barrens in Indiana (with Eric S. Menges), Midland Naturalist (1989)
To compare adjacent post oak flatwoods and barrens communities in south-western Indiana, we used vegetational,...
Population dynamics of Ludwigia leptocarpa (Onagraceae) and some factors affecting size hierarchies in a natural population (with R. R. Sharitz), Journal of Ecology (1984)
(1) Germination cohorts of Ludwigia leptocarpa, a semi aquatic annual plant were marked in the...
Population dynamics of Ludwigia leptocarpa (Onagraceae) and some factors affecting size hierarchies in a natural population (with R. R. Sharitz), Journal of Ecology (1984)
(1) Germination cohorts of Ludwigia leptocarpa, a semi aquatic annual plant were marked in the...
The effects of seed size and maternal origin on the distribution of individual plant size in Ludwigia leptocarpa (Onagraceae), American Journal of Botany (1984)
Seed size is normally distributed for many annual species, while mature plant size is frequently...