The online edition of Taxonomic Literature, 2nd edition (TL-2). TL-2 is the standard reference work for plant taxonomic literature from Linnean times to 1940.
TDX (Theses and Dissertations Online) is a digital cooperative repository of doctoral theses presented at some Spanish universities. The consultation of theses is opened and allows the user to construct searches on the complete text of the files by author, advisor, title, knowledge area, university and department of publication, year of defense, etc.
This index of over 260 titles from the most popular teacher and administrator trade journals, periodicals, and books is now also offered free via the EBSCOhost platform. This database provides coverage on key education topics such as Assessment, Continuing Education, Current Pedagogical Research, Curriculum Development, Instructional Media, Language Arts, Literacy Standards, Science & Mathematics, and more for K-12 Teachers & Librarians.
The Cultural Landscape Foundation (TCLF) is the only not-for-profit (501c3) foundation in America dedicated to increasing the public's awareness and understanding of the importance and irreplaceable legacy of its cultural landscapes. Through education, technical assistance, and outreach, we broaden awareness of and support for historic landscapes nationwide in hopes of saving this diverse and priceless heritage for future generations.
Our single search box allows you to freely explore millions of resources from leading national and research libraries across Europe. We have more than 200 million resources waiting to be discovered. You can search over 24 million pages of full-text content, 18 million digital objects and 119 million bibliographic records within Europe. These digital resources are supplied to us by our prestigious network of institutions, including 48 national libraries in Europe and an increasing number of research libraries, such as the University of Oxford’s Bodleian Library.
an Internet Portal from Scientists for Scientists Presenting Information about Diversity of Fungi
The goal of the Historical Topographic Map Collection is to scan all scales and all editions of the more than 200,000 topographic maps published by the USGS since the inception of the topographic mapping program in 1884.
To promote, preserve and restore California landscapes, and habitats To propagate and make available California native plants and wildflowers To educate and acquire knowledge about California flora and natural history
The Technical Report Archive & Image Library (TRAIL) is an initiative led by the University of Arizona in collaboration with CRL and other interested agencies to identify, digitize, archive, and provide access to federal technical reports issued prior to 1975.
Mission: To validate scientifically the traditional uses of medicinal plants for primary health care. An interdisciplinary reference program in the detection, validation and diffusion of the uses of medicinal plants that impact in public health
The Tree of Life Web Project is a collection of information about biodiversity. Its goal is to contain a page with pictures, text, and other information for every species and for each group of organisms, living or extinct. Connections between Tree of Life web pages follow phylogenetic branching patterns between groups of organisms, so visitors can browse the hierarchy of life and learn about phylogeny and evolution as well as the characteristics of individual groups.
TreeBASE is a relational database designed to manage and explore information on phylogenetic relationships. It includes phylogenetic trees and data matrices, together with information about the relevant publication, taxa, morphological and sequence-based characters, and published analyses.
Publications in this collection include research monographs, journals, conference proceedings, or books. Research results behind these publications have been peer reviewed to ensure the best quality science.
This system has over one million scientific names and 3.5 million specimen records.