Studies in Lichens and Lichenicolous Fungi—No. 18: Resolution of Three Names Introduced by Degelius and Magnusson Based on Material from the Great Smoky Mountains

Author : James C. Lendemer

Additional Authors : Richard C. Harris

ABSTRACT Arthonia biseptata is shown to be a species of Mycoporum, likely narrowly endemic to high elevations of the southern Appalachian Mountains and the new combination M. biseptatum is proposed. Lecidea degelii is shown to apply to the sorediate morphotype of Porpidia albocaerulescens. The results of molecular phylogenetic analyses of nrITS and mtSSU sequence data …

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Noteworthy Collections: South Carolina: New Vascular Plant Records for South Carolina and Correction and Clarification of Previous Reports: 1981–2004

Author : L.L. Gaddy

NEW STATE RECORDS Over the past few decades, the following species have been found growing naturally in the wild and are new to South Carolina. Arnoglossum reniforme (Hook.) H. E. Rob. (ASTERACEAE)—The great Indian plantain   Carex stricta Lam. (CYPERACEAE)   Hydrophyllum macrophyllum Nutt. (HYDROPHYLLACEAE)— The large-leaved or hairy waterleaf ranges from Pennsylvania south to Alabama in the southern …

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Noteworthy Collections: Louisiana: Bryophyllum daigremontianum and Bryophyllum delagoense (Crassulaceae) New to Louisiana

Author : Daniel M. McNair

Additional Authors : Mac H. Alford Robert M. Turnbull

Bryophyllum daigremontianum (Raym.-Hamet & H. Perrier) A. Berger (CRASSULACEAE)— Orleans Parish: New Orleans.   Bryophyllum delagoense (Ecklon & Zeyher) Schinz (CRASSULACEAE)—Jefferson Parish: Gretna

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Noteworthy Collections: Florida (79-2)

Author : Cecil R. Slaughter

Lythrum curtissii Fernald (LYTHRACEAE)— St. Johns County   Persicaria arifolia (L.) Haraldson (POLYGONACEAE)— Nassau County: Collected in Bald Cypress-Carolina Ash Swamp

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Dispersal Characteristics of Two Native and Two Nonnative Fleshy-Fruited Sympatric Shrubs

Author : Laura J. McCall

Additional Authors : Jeffrey L. Walck

ABSTRACT Aspects of the dispersal characteristics of two nonnative shrubs, Elaeagnus umbellata and Ligustrum sinense, were compared with those of two native shrubs, Cornus amomum and Frangula caroliniana, to identify factors that contribute to successful invasion of the nonnative species. For each species, the following aspects were examined: shrub abundance, physical characteristics and nutritional values …

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Historic Fire and Canopy Disturbance Dynamics in an Oak-Pine (Quercus-Pinus) Forest of the Missouri Ozarks (1624–2010)

Author : Chad B. King

Additional Authors : Rose-Marie Muzika

ABSTRACT Studies of historic forest disturbances provide an important context for the ecological dynamics that affect forest structure and successional trajectory. Previous historical disturbance research in the Missouri Ozark Highlands has highlighted the dynamics of fire regimes. However, little is known concerning canopy disturbance regimes in this region. The primary objective of this study was …

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The Pollination of Hexastylis naniflora in Cleveland County, North Carolina

Author : Matthew S. Jones

Additional Authors : Thomas H. Jones, James J. English,

ABSTRACT Research regarding the pollination mechanism of federally endangered Hexastylis naniflora was conducted during spring and summer 2009 in Cleveland County, North Carolina. Research focused on the possible role of insect pollinators in pollination success. Caging was used to exclude insects from 30 flowers, from 30 different plants, in order to examine differences in a …

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Vegetation and Soil Parameters at an Island Bridge Crossing

Author : Joshua A. Vance

Additional Authors : Norse B. Angus, James S. Rentch, James T. Anderson,

ABSTRACT Roadsides are often planted with nonnative, disturbance-tolerant, herbaceous vegetation to enhance plant survival under highly disturbed soil conditions. We investigated vegetation and soils along the Ohio River, West Virginia, USA, at a new bridge crossing (Blennerhassett Island), a bridge crossing 45 yr old (Buckley Island), and an island with no bridge crossing (Muskingum Island) …

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