Deborah (Debbie) Louise Miller

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• PhD
• Professor at University of Florida

The study investigated the flammability of nine common native grass species in the Southeastern Coastal Plain. Fire has historically shaped many of the plant communities in this region. Grasses are a significant component of these communities, serving as the fine fuels that carry fire across the landscape. The dominant grass species, wiregrass ( Ar...

Feral hogs (Sus scrofa) are invasive, ecosystem engineers and a novel disturbance to rare, fire-dependent, herbaceous wetland ecosystems in Florida, USA. Their feeding activity uproots vegetation, altering plant composition and continuity. Hog rooting can also create linked disturbance by ingesting vegetation critical for fire spread. Herbaceous co...

Sandhill milkweed [ Asclepias humistrata (Walter)] is important for monarch butterfly [ Danaus plexippus (L.)] conservation efforts, yet precise cultivation practices are largely not available. We tested the effects of three fertilizer rates and four substrate types and four container types on the performance of sandhill milkweed during greenhouse...

Along coasts, biologically diverse terrestrial wetlands and marine ecosystems maintain complex hydrological connections that influence groundwater quality. The coastline of Florida’s panhandle is home to globally rare coastal dune lakes that are hydrologically influenced by unique wet prairies within their watersheds. Little is known regarding how...

Campbell-Martnez, G.E.; Thetford, M., and Miller, D., 2022. Germination response of three florida panhandle coastal dune plants to salinity. Journal of Coastal Research, 38(3), 585591. Coconut Creek (Florida), ISSN 0749-0208. Coastal dunes and their ecosystem services are threatened by human pressures warranting active restoration. Understanding du...

Coastalplain honeycombhead ( Balduina angustifolia ) is underutilised in ecosystem restoration and pollinator conservation projects. Seeds collected from different populations throughout Florida, USA during 2007 and 2016-2018 were used in experiments that evaluated the effects of a 0 or 12-hour photoperiod, seasonal and standard temperatures, 0-5,0...

Restoration of longleaf pine (Pinus palustris Mill.) forests is an important land management goal in the southern United States. To achieve this goal, longleaf pine is increasingly being planted across its range. Fire is an important ecological factor that has historically shaped and sustained longleaf pine forests. However, we have limited informa...

Hesperapis oraria, Snelling and Stage (Hymenoptera: Melittidae) is endemic to northern coastal habitats of the Gulf of Mexico and is a pollen specialist of floral host Balduina angustifolia Pursh. (Asteraceae). Specialization and restricted geographic distribution along the coast of the Gulf of Mexico warrants further investigation into habitat req...

Old-growth longleaf pine savannas are characterized by diverse ground-layer plant communities comprised of graminoids, forbs, and woody plants. These communities co-exist with variable-aged patches containing similar-aged trees of longleaf pine (Pinus palustris Mill.). We tested the conceptual model that physical conditions related to the cycle of...

October flower is widespread throughout Florida and more broadly in coastal states west to Texas and northeast to Virginia. October flower is found in dune and scrub plant communities and ruderal areas. The showy flowers and attractive foliage make this native plant a desirable ornamental for landscapes.https://edis.ifas.ufl.edu/sg181 This publicat...

Gulf coast lupine (Lupinus westianus var. westianus) is listed as threatened by the Plants in the Preservation of Native Flora of Florida Act, Chapter 5B-40, Florida Administrative Code, 1998, amended (Wunderlin et al. 2017). The species is endemic to coastal counties in the western Panhandle of Florida. Two disjunct populations are noted with Lupi...

Seabeach evening primrose is found in beach dunes throughout coastal counties in Florida, west to Louisiana,and as far north as New Jersey.https://edis.ifas.ufl.edu/sg177 This publication is derived from information in SGEB-75/SG156, Dune Restoration and Enhancement for the Florida Panhandle, by Debbie Miller, Mack Thetford, Christina Verlinde, Gab...

Squareflower is found in beach dunes, coastal grasslands, and scrub. This plant is an endemic restricted to the coastal Panhandle of Florida, counties west of the Big Bend region, and west to Louisiana. The square outline of the inflorescence is unique and makes squareflower a desirable plant for coastal landscapes.https://edis.ifas.ufl.edu/sg179 T...

Bitter panicgrass is important in dune stabilization and building and often grows intermixed with sea oats onforedunes. It is also found spread throughout back dunes, interdunal swales, and coastal grasslands. This plantoccurs throughout coastal Florida, except for the Big Bend coast, west to New Mexico, and along coastal northeast states to Massac...

Wax myrtle is one the most widespread plants in Florida, and it is found in coastal states west to Texas and north to New Jersey. The wax found around seeds can be melted down to make candles. The fruits of wax myrtle are important for birds and other wildlife, and the plant is a larval host for the banded hairstreak and redbanded hairstreak butter...

Two species of Ipomoea are found in coastal beach plant communities of the Florida Panhandle; beach morning-glory (Ipomoea imperati) and railroad vine (Ipomoea pes-caprae subsp. brasiliensis). Beach morning-glory and railroad vine are distinguished by the colors of their corollas and the shapes of their leaves. Beach morning-glory flowers are white...

Seacoast marshelder is an important plant for dune restoration, stabilization, and formation because of itsability to trap sand. It grows on foredunes and forms low, rounded dunes as sand accumulates (Craig 1991). As the aboveground portions of the plant become buried by sand, rooting is stimulated in stem tissue (Craig 1975). This gives the appear...

Gopher apple occurs from the lower Florida peninsula northward to South Carolina westward to Louisiana in coastal dunes, sandhills, and disturbed areas such as roadsides. Gopher apple gets its name because gopher tortoises, along with other small mammals, eat their fruit. Gopher apple is an ideal groundcover for a coastal landscape with well-draini...

Two species of goldenaster are found on beach dunes within the western Panhandle of Florida (FNAI 2000). Chrysopsis gossypina subsp. Cruiseana (Cruise’s goldenaster) and Chrysopsis godfreyi (Godfrey’s goldenaster), which is further differentiated into two morphologically distinct forms, Chrysopsis godfreyi f. godfreyi and Chrysopsis godfreyi f. vir...

Coastal sand frostweed is found on beach dunes, scrub, and sandhills. It is endemic to the Florida Panhandle, Mississippi, and Alabama coastal counties. After Hurricane Katrina, coastal sand frostweed became the plant with highest frequency on stable dunes on Horn Island, Mississippi (Lucas and Carter 2013).https://edis.ifas.ufl.edu/sg168 Note: Thi...

Sand live oak is found throughout northern Florida, more broadly west to Louisiana, and northeast to NorthCarolina. It is found in beach dunes, backdunes, sandhills, coastal areas, and inland areas with deep sandy soils.While this plant forms trees farther inland, it is commonly reduced to shrubs and sub-shrubs because of the extreme environmental...

Inkberry is found throughout Florida and more broadly west to Texas and northeast to the Canadian border. Fruits attract birds and other wildlife but are not edible to humans. Flowers attract pollinators, including honey bees. Plant male and female plants in order to sustain fruit production.https://edis.ifas.ufl.edu/sg171 This publication is deriv...

Florida rosemary is important in maintaining back dune structures and is found inland in scrub communities. This plant is found throughout scrub plant communities in Florida, and more broadly is found west to Mississippi and east to South Carolina in xeric soils and in communities with fire return intervals of 20 to 40 years. Plants are killed by f...

Gulf bluestem occurs throughout the Florida Panhandle and in neighboring coastal states. Gulf bluestem helpsstabilize dunes, forms thick stands in areas leeward of slopes (Craig 1991), replaces sea oats as the dominant species on protected foredunes behind a seaward ridge after 2 to 17 years (Johnson 1997), and occurs throughout flatwoods and distu...

Yaupon is found throughout Florida south to Lake Okeechobee and more broadly throughout the southeast west to Texas and east to North Carolina. The leaves and small twigs of yaupon contain caffeine, and yaupon teas have been consumed by humans for centuries. The fruits and flowers of yaupon attract wildlife, especially birds and pollinators, and it...

Coastal groundcherry occurs on beach dunes, coastal grasslands, coastal scrub, and disturbed areas. This plantis found throughout coastal counties on the west coast of Florida—except for the Big Bend region and the extreme southeasternmost counties—and more broadly west to Louisiana. Threatened and endangered beach mice and many other animals rely...

False rosemary is found on the backsides of foredunes, on all sides of backdunes, and inland in scrub communities. False rosemary is killed by fires but will reseed to an area in the absence of further disturbance. It is endemic to west Florida and Alabama, contributes to beach mouse habitat, and attracts many pollinators.https://edis.ifas.ufl.edu/...

Coastalplain honeycombhead is found in beach dunes, coastal grasslands, and scrub throughout Florida and into Alabama and Mississippi. It is a prolific flower and seed producer that attracts numerous pollinators, including the gulf fritillary butterfly. Interestingly, the endemic, solitary, and ground-dwelling coastal plain Hesperapis (Hesperapis o...

Woody goldenrod is found in beach dunes, scrub, and sandhill plant communities. It occurs in the Panhandle ofFlorida and more broadly in the southeastern United States west to Mississippi and northeast to North Carolina. This plant may leach chemicals into the soil that inhibit seed germination of gulf bluestem (Schizachyrium scoparium var. scopari...

Myrtle oak is one of the three scrub oaks characteristic of scrub communities. It occurs on coastal regions of the Florida Panhandle and throughout the Florida peninsula and coastal southeastern United States west to Mississippi and east to South Carolina. The acorns of myrtle oak are an important food source for wildlife.https://edis.ifas.ufl.edu/...

Atlantic St. John’s wort occurs throughout Florida and more broadly west to Alabama and northeast to North Carolina on beach dunes and scrub plant communities frequently associated with wet depression areas. Hypericum is a large genus of plants with 31 species in Florida alone (Wunderlin et al. 2017). This plant is a prolific flower producer that a...

Sandhill milkweed is scattered on backdunes, in sandhills, and often in disturbed areas, such as mowed roadsides. It has a range in Florida south to Lake Okeechobee and also occurs in coastal southeast states west to Louisiana and northeast to North Carolina.https://edis.ifas.ufl.edu/sg162 Note: This fact sheet is also available as a chapter in a c...

Seaside goldenrod is highly tolerant of both saline soils and salt spray and is usually found on beach dunes, tidal marshes, and disturbed areas throughout coastal areas from Mexico North to Maine and on islands in the Bahamas. It is a prolific flower- and seed-producer. It attracts many pollinators, including birds, native bees, honey bees, butter...

Sea oats occur throughout Florida on beach dunes and beaches and on coastal areas west to Texas and north to Maryland. Sea oats are vital dune builders that accumulate sand and prevent erosion due to wind, waves, and large storms. As sand is trapped by the long leaves of sea oats, vertical growth is stimulated, and rooting occurs at the buried node...

Published by the UF/IFAS Florida Sea Grant College Program, this manual provides an overview of the coastal ecosystems along the Florida Panhandle and shows how dunes can be restored and enhanced in this region of the Northern Gulf of Mexico. In addition to direct experience acquired over many years of field work and experimentation, authors Chris...

Scrub oak species are an important component of barrier island and xeric mainland scrub ecosystems. Limited recruitment of scrub oaks has been noted on barrier islands. This study evaluated several factors believed to alter germination of the scrub oak species Quercus geminata (sand live oak) and Quercus myrtifolia (myrtle oak) along interior dune...

Pine flatwoods ecosystems of the Gulf Coastal Plains of the southeastern United States are known for their species richness, mainly contributed by herbaceous groundcover. However, intensive silvicultural operations and exclusion of fire over a large extent of these ecosystems in the past century has led to a serious depletion of groundcover diversi...

Asclepias humistrata (sandhill milkweed) is a forb native to the Southern Coastal Plain of the USA, with potential use in restoration projects as a monarch butterfly larval host and as a low-input ornamental landscape plant. Yet, no information exists on dormancy or germination of A. humistrata seeds. For that reason, the objective of this study wa...

Perennial coastal grasses such as sea oats have long been recognized as the biological engineers of our increasingly stressed beaches and coastal dunes. Sea oats build dunes by capturing blowing sand and stabilizing it, and they’re often planted after dunes have been eroded, fragmented, or destroyed. Managers have tried commercial fertilizers and w...

Restoration of woody plants to barrier islands requires development of production and planting protocols and determination of “safe sites” for reestablishment. Yaupon (Ilex vomitoria Aiton [Aquifoliaceae]) is a shrub associated with scrub dunes and shallow, interdunal swales of barrier islands along the Northern Gulf Coast. We determined the effect...

The increasing number of stresses on coastal dune ecosystems requires the use of more effective restoration strategies to enhance dune-building and increase vegetation reestablishment. In this study, the use of a wheat straw as a surrogate wrack was an effective method to improve growth of spring planted Uniola paniculata (sea oats). Approximately...

Environmental gradients on barrier islands are modified by the loss of dunes as a result of hurricane overwash. The success of restoration plantings in posthurricane landscapes is determined by abiotic conditions, including seasonal and spatial gradients of wind speed and substrate transport encountered before dune redevelopment. The response of Sc...

Increased hurricane frequency and intensity and residential and commercial development are contributing to loss of maritime forests, coastal hammocks, and scrub dunes. Barriers to natural regeneration necessitate active restoration. We evaluated the survival of woody species planted in ephemeral barrier island swales on Santa Rosa Island, Florida,...

Background/Question/Methods Florida is home to one of North America's most unique and diverse natural ecosystems, the seepage slope. Unusual hydrology and frequent fires have resulted in a habitat that supports a variety of carnivorous plants. Feral hog (Sus scrofa) foraging has resulted in soil disturbances in seepage slopes on Eglin Air Force B...

Landscape features that promote animal movement contribute to functional habitat connectivity. Factors that affect the use of landscape features, such as predation risk, may alter functional connectivity. We identify factors important to functional habitat connectivity by quantifying movement patterns of the Santa Rosa beach mouse (Peromyscus polio...

Pitcherplants are perennial plants with groups of leaves modified into traps or pitchers. They have tubular leaves with lids or hoods at the top that secrete nectar to attract prey. Once insects are on the lip of the pitcher, they can slip on the waxy opening and fall into the plant. This 5-page fact sheet provides descriptions of the ranges, appea...

Florida is home to one of North America’s most unique and diverse ecosystems, the seepage slope. Unusual hydrology and frequent fires combine to create an environment that supports a variety of carnivorous and other sun-loving herbaceous plants. This 5-page fact sheet discusses the natural history and conservation concerns associated with seepage s...

Track tubes may help measure impacts of disturbances on small mammals by providing information about the magnitude and timing of fluctuations in relative abundance. We evaluated live-capture and track-tube data from 8 trapping grids to test the utility of track tubes for monitoring abundance of beach mice (Peromyscus polionotus) through time and fo...

Pinus palustris (longleaf pine) savannas depend on contiguous grass cover to facilitate frequent surface fires. Enhanced flowering, seed production, and germination may be linked to season of fires. We assessed the effect of month of prescribed fire (February, April, May, and July) on percentage of plants with flowering culms (FCs%), FC/area, FC/pl...

Private landowners play a pivotal role in determining whether or not rare species persist in regions where privately owned land is extensive. The range of the gopher tortoise (Gopherus polyphemus) is confined to the Southeastern U.S., a region predominantly under private ownership, and thus the status of this species is largely dependent upon land...

Natalgrass is an invasive species that has become increasingly problematic in natural areas in Florida and other subtropical and tropical regions around the world. Natalgrass is a prolific seed producer, but little information is available regarding its seed biology and ecology. Research was conducted to determine levels of seed dormancy and to exa...

Cogongrass invades forests through rhizomatous growth and wind-dispersed seeds. Increased density and abundance of woody vegetation along forest edges may strengthen biotic resistance to invasion by creating a vegetative barrier to dispersal, growth, or establishment of cogongrass. We evaluated differences in dispersal of cogongrass spikelets exper...

Background/Question/Methods Roads are a ubiquitous part of our landscape, yet they often cause habitat fragmentation and may provide dispersal corridors for non-native species. To minimize negative effects of roads, vegetation managers increasingly plant native species and manage for wildlife on roadsides. However, native plant establishment may...

Background/Question/Methods Woody vegetation increases the stability of barrier islands and provides important services to wildlife and humans. In addition to harsh and variable daily and seasonal environmental conditions, barrier islands in the eastern United States are subject to the brunt of tropical storms. Barrier islands throughout the Gulf o...

If fire affects spread of cogongrass (Imperata cylindrica), a non-native grass that displaces native plants, managers can determine best use of resources to restore and maintain the diverse herbaceous groundcovers of longleaf pine-bluestem (Pinus palustris - Andropogon spp. and Schizachyrium spp.) forests of the southeastern United States. In 2003...

Type, level, and intensity of human activities may facilitate establishment and spread of invasive plant species. A better understanding of how human activities influence invasion can assist land managers in developing strategies for control and monitoring of invasive plants. Spread of the invasive species Imperata cylindrica (Cogongrass) has been...

Recent ; increases in hurricane activity along the Gulf of Mexico lend urgency to understanding storm impacts on beach mice (Peromyscus polionotus) that occupy dune systems along this coast in Florida and Alabama. We documented changes in occupancy patterns of the Santa Rosa beach mouse (P. p. leucocephalus) from Hurricane Ivan and examined predict...

Background/Question/Methods As habitats become increasingly fragmented by natural and anthropogenic disturbances, the issue of how predation risk affects the ability of animals to move among habitat patches becomes more important. Animals come into contact with a variety of structural components when moving through a landscape. The response of ani...

A silvicultural chronosequence was studied in upland pine stands of Fort Benning, Georgia, to assess understory vegetation and soil characteristics following silvicultural disturbance activities. Hypotheses regarding patterns of understory vegetation distribution and abundance, and the impact of disturbance on soil properties were evaluated in 32 f...

The Northwest Florida coastal landscape consists of a mosaic of sand pine scrub, longleaf pine, and ecotonal communities. Fire suppression has altered the structure and composition of these communities. The effects of environmental variation and the recent reintroduction of fire on plant distribution and abundance across this landscape were investi...

PRIES, A.J.; MILLER, D.L., and BRANCH, L.C., 2008. Identification of structural and spatial features that influence storm-related dune erosion along a barrier-island ecosystem in the Gulf of Mexico. Journal of Coastal Research, 24(4C), 168–175. West Palm Beach (Florida), ISSN 0749-0208. Observations of hurricane impacts on coastal communities and p...

After hurricane overwash, restoration of dune ecosystems requires information on when, where, and how to replace plants removed by storms. Survival and subsequent growth of Schizachyrium maritimum (Chapman) Nash, Morella cerifera (L. Small), and Ceratiola ericoides Michx., transplanted at increasing distances from the Gulf of Mexico (92, 124, 179,...

ADDITIONAL INDEX WORDS. indole-3-butyric acid, auxin, stock plant hedging, Iva imbricata SUMMARY. Seacoast marshelder (Iva imbricata) is an important coastal species contributing to building of foredunes along the Gulf of Mexico coastal regions. Hurricane activity disrupts natural regeneration, and the need for successful nursery production of suff...

Home region failed to provide any clear short-term improvement in plant growth, vigor, flowering, quality, or survival of Gaillardia pulchella Foug. (Asteraceae; firewheel) when plants derived from natural populations in east Texas, northeast Florida, central west Florida, central east Florida, and southeast Florida were grown under low-input lands...

Seacost Marshelder ( Iva imbricata Walter [Asteraceae]), a dominant Atlantic and Gulf region seashore plant, is a broad-leaved plant with a potential for building and stabilizing foredunes in the South Atlantic coast of the United States, and is recognized as an important food for beach mice. Two experiments were conducted where nursery liners were...

Containerized Gaillardia pulchella Foug. derived from seed of natural populations in east Texas (ET), northeast Florida (NEF), central west Florida (CWF), central east Florida (CEF), and southeast Florida (SEF) were transplanted in early April to field sites located in northwestern, northern central, and southeastern Florida. During the 22-week stu...

The longleaf pine (Pinus palustris Mill.) ecosystem once occupied an estimated 37 million hectares in the southeastern United States (Frost this volume). These forests dominated the Coastal Plain areas ranging from Virginia to Texas through central Florida, occupying a variety of sites ranging from xeric sandhills to wet poorly drained flatwoods to...

The longleaf pine ecosystem, once one of the most extensive ecosystems in North America, is now among the most threatened. Over the past few centuries, land clearing, logging, fire suppression, and the encroachment of more aggressive plants have led to an overwhelming decrease in the ecosystem’s size, to approximately 2.2% of its original coverage....

The longleaf pine ecosystem, once one of the most extensive ecosystems in North America, is now among the most threatened. Over the past few centuries, land clearing, logging, fire suppression, and the encroachment of more aggressive plants have led to an overwhelming decrease in the ecosystem’s size, to approximately 2.2% of its original coverage....

Vegetation pattern and dynamics were characterized across a mid-Texas, USA coastal marsh ecotone subjected to snow goose herbivory, drought, and salt-water pulses. For eight years following snow goose feeding, species cover was evaluated in heavy and light goose-use patches at increasing distances from tidal influence. Just prior to and for two yea...

ADDITIONAL INDEX WORDS. Schizachyrium maritimum, Ilex glabra, beach restoration SUMMARY. Survival and subsequent growth of two beach species produced in containers of differing volume and depth were evaluated following transplant on Eglin Air Force Base, Santa Rosa Island, Fla. Rooted cuttings of gulf bluestem (Schizachyrium maritimum) were produce...

Introduction of artificial light into wildlife habitat represents a rapidly expanding form of human encroachment, particularly in coastal systems. Light pollution alters the behavior of sea turtles during nesting; therefore, long-wavelength lights - low-pressure sodium vapor and bug lights - that minimize impacts on turtles are required for beach l...

False rosemary (Conradina canescens Gray [Lamiaceae]) is common to coastal areas of west Florida and is known to contribute to beach mouse habitat. This species can be considered a drought-tolerant landscape plant. Coastal homeowners interested in diminished water and fertilizer application may consider the use of false rosemary in landscapes of co...

Uniola paniculata (sea oats) rhizomes uprooted by hurricanes and deposited as wrack could be salvaged and replanted in dune restoration. To test this unexplored technique, percent tiller emergence was observed for 4 years from U. paniculata rhizomes replanted after submersion in seawater; air exposure of 0, 1, 3, 5, 7, and 11 days; freshwater rinse...

Cogongrass [Imperata cylindrica (L.) Beauv.], an alien grass listed as a federal noxious weed, is invading the forestlands of the southeastern USA threatening their ecological and economic integrity. Two field studies were conducted to quantify the effects of herbicides and disking on cogongrass that had infested a cutover site and an adjacent 17-y...

Cogongrass (Imperata cylindrica), an alien grass listed as a federal noxious weed, has become a force to reckon with in the forestlands of the southeastern United States. Accidentally introduced in 1912 in packing material from Japan, the weed has negatively affected both natural and planted forests. Knowledge about the biology and management of co...

Softwood cuttings of Florida coastal dune species gulf bluestem (Schizachyrium maritimum Chapman (Nash) [Poaceae]), seacoast marshelder (Iva imbricata Walter [Asteraceae ]), false rosemary (Conradina canescens Gray [Lamiaceae], and Atlantic St Johnswort (Hypericum reductum (Svens.) P. Adams [Clusiaceae]) were propagated with the aid of commercial r...

Successful propagation of Ceratiola ericoides was achieved using field collected softwood stem cuttings. Our results, using cuttings collected 2 different years, 2 rooting substrates, and 10 levels of auxin treatment, indicate successful rooting (82% to 100%) occurred both with and without auxin treatment. The most consistent root- ing of C. ericoi...

Santa Rosa Island, a barrier island located in the panhandle of Florida, was severely impacted by hurricane Opal's 3-4 m tidal surge in October 1995. Rapid reestablishment of the fragmented dune system through sand accumulation and stabilization is essential for many wildlife and plant species and protection of coastal structures against storm surg...

Basal area growth rates for Prosopis glandulosa were quantified for contrasting landscape elements in a subtropical savanna. We hypothesized that growth rates of P. glandulosa plants (1) are a function of seasonal or annual rainfall; and (2) vary with patch type and in the rank order observed for large trees. Prosopis glandulosa growth was responsi...

The University of Florida has created an off-campus natural resource conservation education program in the Florida Panhandle to meet the needs of place-bound students. By partnering with the nearby University of West Florida and Pensacola Junior College and strengthening an existing research center, the program leverages scarce educational resource...

Mudflat recolonization following lesser snow goose (LSG) (Anser caerulescens caerulescens (L.)) herbivory was investigated in a Texas Distichlis spicata (L.) Greene (saltgrass) salt marsh. After 6 years of LSG herbivory, large mudflats were produced which contained small (2–4 m2) islands of vegetation. Island perimeters, that were completely denude...

Interaction of herbivory by wintering lesser snow geese (Anser caerulescens caerulescens), environmental conditions, and burning were investigated in a mid-Texas coastal marsh dominated byScirpus americanus (Olney bulrush). Goose grubbing and use ofS. americanus rhizomes and roots initially produced a patchwork of denuded and vegetated areas on a r...

Emergent coastal marshes of the San Bernard National Wildlife Refuge (SBNWR), were evaluated, from 1939 to 1991 using aerial photography and a geographic information system (GIS). Vegetated marsh was transformed to mudflats and open water in areas heavily utilized by wintering lesser snow geese (LSG). Unvegetated marsh increased from less than 4% i...

Home region failed to provide any clear short-term improvement in plant growth, vigor, flowering, quality, or survival of Gaillardia pulchella Foug. (Asteraceae; firewheel) when plants derived from natural populations in east Texas, northeast Florida, central west Florida, central east Florida, and southeast Florida were grown under low-input lands...

Atlantic St. Johnswort is a herbaceous or semi-woody plant with a decumbent growth habit, spreading from the base and forming a low mat (Bell and Taylor 1982). This plant is a candidate for beach projects requiring planting of interdunal areas and secondary dunes as well as for commercial or home landscapes. Flowers occur from June to September, ar...