A Neglected North American Euphorbia

Genetic variation in North American leafy spurge (<i>Euphorbia esula</i>) determined by DNA markers

Orbiviruses: A North American Perspective.

Orbiviruses are members of the Reoviridae family and include bluetongue virus (BTV) and epizootic hemorrhagic disease virus (EHDV). These viruses are the cause of significant regional disease outbreaks among livestock and wildlife in the United States, some of which have been characterized by significant morbidity and mortality. Competent vectors are clearly present in most regions of the globe...

North American blastomycosis.

N ORTH American blastomycosis (Gilchrist’s disease) is a granulomatous, infectious disease caused by the fungus, Blastomyces dermatitidis (Gilchrist and Stokes, 1898). The malady, in its cutaneous form, was first described by Gilchrist’ in 1894. A few years later, together with Stokes, he was able to isolate and culture the causative organism which he designated as B. dermatitibis.23 The first ...

North American Logistics

Globalization induces the transport sector and supply chains to adapt to new functional and operational considerations. This is particularly the case for North America because of the geographical scale and scope of its production, distribution and consumption activities (Brooks, 2008; Rodrigue and Hesse, 2007). In a context where transport technology such as containerization has been a powerful...

North American Fungi

Morphological and molecular characteristics support the recognition of a welldefined taxonomic group within the Entolomataceae. The distinctive basidiospore form and a three locus DNA analysis separate the species that share these characteristics from other species of Entoloma s. l. We propose here a new genus, Entocybe, to accommodate these taxa.