Content Provider
Biodiversity Heritage Library (BHL)
40
DataCite Metadata Store (German National Library of Science and Technology)
19
University of North Texas: UNT Digital Library
18
University of California: eScholarship
12
Hathi Trust Digital Library
3
Utah State University: DigitalCommons@USU
3
Aarhus University: Research
2
Research Center for Eco-Environmental Sciences: RCEES OpenIR (Chinese Academy of Sciences)
2
USGS Science Data Catalog (via DataONE)
2
University of Alberta: Era - Education and Research Archive
2
University of Michigan: Digital Collections
2
University of Stirling: Stirling Digital Research Repository
2
University of Toronto: Research Repository T-Space
2
Unknown
2
Apollo - University of Cambridge Repository
1
DRO - Deakin Research Online
1
Dipòsit Digital de la Universitat de Barcelona
1
Directory of Open Access Journals: DOAJ Articles
1
Durham University: Durham Research Online
1
FAU Digital Collections (Florida Atlantic University Digital Library)
1
Georgetown University: DigitalGeorgetown
1
IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences)
1
Ike Skelton Combined Arms Research Library (CARL) Digital Library
1
Imperial College London: Spiral
1
Institute of Botany: IBCAS OpenIR (Chinese Academy Of Sciences)
1
Inta Digital (ID - Instituto Nacional de TecnologĂa Agropecuaria)
1
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences)
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
PRISM - University of Calgary Digital Repository
1
Rothamsted Repository (Rothamsted Research)
1
Sycamore Scholars at Indiana State University
1
The University of Manchester: Research Explorer
1
University of Copenhagen: Research
1
University of Southern Denmark Research Portal
1
University of Tasmania: UTas ePrints
1
VTechWorks (VirginiaTech)
1
Wellcome Trust, London: Wellcome Images
1
York University, Toronto: YorkSpace
1
Zenodo
1