Yucca filamentosa and Yucca flaccida (Agavaceae) Are Distinct Taxa in Their Type Localities

Author : Daniel B. Ward

ABSTRACT There has been question whether the taxon known as Yucca filamentosa (Agavaceae) is to be distinguished from the taxon known as Yucca flaccida. Much of the uncertainty lay in the absence of sure knowledge of the forms intended by their original authors. A neotype of Y. flaccida from Florida was selected in 2006. Here, …


Noteworthy Collections: Lythrum hyssopifolia L. (Hyssop Loosestrife or Grass Poly, Lythraceae): A New Species in the Illinois Flora

Author : Paul B. Marcum

Additional Authors : David M. Ketzner

ABSTRACT The first occurrence of Lythrum hyssopifolia L. (hyssop loosestrife or grass poly, Lythraceae) is documented for Illinois. This Old World native is presently known from every continent except Antarctica with its North American distribution limited to thirteen states within the United States as well as two Canadian provinces.


Noteworthy Collections: Alabama New and Noteworthy Records for the Flora of Alabama (77-3)

Author : T. Wayne Barger,

Additional Authors : Howard E. Horne, Daniel D. Spaulding, Brian D. Holt, Alan Cressler, L. Dwayne Estes, Brittney M. Hughes

While making collections across the state of Alabama, 57 state records and/or noteworthy taxa were observed. The collection information, along with a brief account of observations, where pertinent, is provided below. For each taxon listed, voucher specimens were collected and deposited at Alabama Natural Heritage Section Herbarium (ALNHS) and/or the Jacksonville State University Herbarium (JSU), …


A Survey of the Vascular Flora of Some Igneous Glades at Buford Mountain Conservation Area, Missouri

Author : Jennifer L. Weaver

Additional Authors : Allan J. Bornstein

ABSTRACT Buford Mountain Conservation Area, located primarily in the northeastern corner of Iron County, Missouri, on the border with Washington County, is both geologically and floristically unique. To help develop an area management plan, the Missouri Department of Conservation was interested in conducting a floristic survey of vascular plants on a designated igneous glade region. …


Cyanobacteria Dominance in the Oligohaline Waters of Back Bay, Virginia

Author : Harold G. Marshall

ABSTRACT Back Bay and its flora have historically been influenced by the interaction of freshwater flow in combination with frequent intrusion of saline water into its basin. These events have resulted in a dynamic environmental setting influencing the abundance and composition of its phytoplankton community. Dominating these oligohaline waters is a diverse representation and high …


Naturalized Mimosa (Albizia julibrissin Durazz., Fabaceae) in Illinois

Author : William E. McClain

Additional Authors : Paula M. McClain, John E. Ebinger,

ABSTRACT Populations of naturalized mimosa (Albizia julibrissin Durazz., Fabaceae) are reported from 32 counties in the southern third of Illinois. Literature and field studies suggest a significant range expansion of this taxon within Illinois during the last 50 yr. Most populations occur in open areas or along roadsides and forest edges, but a high-quality loess …


Soil Differences between Extant Serpentine Oak Savanna and Grassland in Soldiers Delight Natural Environment Area, Maryland

Author : R. Wayne Tyndall

ABSTRACT Soil parameters were compared between serpentine oak savanna and grassland in Soldiers Delight Natural Environment Area, Maryland. Soils were analyzed for texture, depth to bedrock, bulk density, magnesium (Mg), calcium (Ca), aluminum (Al), nickel (Ni), potassium (K), iron (Fe), phosphorous (P), and acidity or alkalinity (pH). Oak savanna occurred on silt loam (61% silt) …


Seed Germination and Reproductive Strategies in Federally Endangered Harperella (Harperella nodosum Rose, Apiaceae)

Author : Elizabeth Fortson Wells

ABSTRACT Harperella (Harperella nodosum) is a federally endangered plant with 26 known sites in the southeastern United States. Experiments in the greenhouse and observations in the wild demonstrated that harperella is an annual plant and its seeds can germinate immediately after seed maturation under warm-weather conditions in late summer. Harperella was observed to utilize two …


2012 Richard and Minnie Windler Award Recipient — James Schrader

Author : Katherine G. Mathews

The 2012 Richard and Minnie Windler Award winner for the best systematics botany paper published in Castanea during 2011 is Dr. James Schrader for his work ‘‘Taxonomy of Leitneria (Simaroubaceae) Resolved by ISSR, ITS, and Morphometric Characterization’’ (Schrader, J.A. and W.R. Graves, Castanea 76:313–338). Jim is currently Assistant Scientist III in Dr. Bill Graves’ Woody …


2012 Elizabeth Ann Bartholomew Award Recipient — Audrey Mellichamp

Author : Charles N. Horn

We are proud to announce the 2012 Elizabeth Ann Bartholomew Award recipient as Audrey Mellichamp, a longtime managing editor for Castanea. From 1982 through 2011, Audrey worked to pull together manuscripts and organize them into issues of the journal. In the process she guided authors through the procedures, reminded officers of needed submissions, and communicated …