Please cite this data as follows, and pay attention to the rights documented in the rights.txt:
Please respect the rights declared for each dataset in the download: 
NatureServe Central Databases (accessed through GBIF data portal, http://data.gbif.org/datasets/resource/607, [DATE]) doi:10.15468/lysaex
Real Jardín Botánico (CSIC): Real Jardin Botanico (Madrid), Vascular Plant Herbarium (MA)
US National Plant Germplasm System: United States National Plant Germplasm System Collection
EURISCO, the European PGR Search Catalogue                 http://eurisco.ecpgr.org/_1About/9Legal/index.php
Naturalis Biodiversity Center: Naturalis Biodiversity Center (NL) - Botany Leiden doi:10.15468/pal1lb
Finnish Museum of Natural History: Herbarium, Botanical Museum, University of Oulu, Finland (OULU) doi:10.15468/ubhqw5
European Molecular Biology Laboratory (EMBL): Geographically tagged INSDC sequences doi:10.15468/cndomv
University of Manitoba Herbarium (WIN) from University of Manitoba. http://dx.doi.org/10.5886/2fva5p4r (accessed on [date]), doi:10.5886/2fva5p4r doi:10.5886/2fva5p4r
Finnish Museum of Natural History: Herbarium, Botany Unit, Finnish Museum of Natural History (H) doi:10.15468/obmwx1
GBIF-Sweden: OHN
University of British Columbia Herbarium (UBC). http://dx.doi.org/10.5886/rtt57cc9. (consulted on [date]), doi:10.5886/rtt57cc9 doi:10.5886/rtt57cc9
Senckenberg: Herbarium Senckenbergianum (FR)
The Norwegian Biodiversity Information Centre (NBIC): Norwegian Species Observation Service doi:10.15468/zjbzel
Tiroler Landesmuseum Ferdinandeum: Tiroler Landesmuseum Ferdinandeum
KANU Vascular Plants Collection
Herbarium (ALA), University of Alaska Museum, University of Alaska Fairbanks doi:10.15468/iawody
Missouri Botanical Garden: Missouri Botanical Garden
Natural History Museum, University of Oslo: Vascular Plants, Museum of Archaeology, University of Stavanger doi:10.15468/pj2yrh
JBRJ - Instituto de Pesquisas Jardim Botânico do Rio de Janeiro. Jabot - Banco de Dados da Flora Brasileira. Disponível em: [http://www.jbrj.gov.br/jabot]., http://www.jbrj.gov.br/jabot/formularios/comocitar_jabot.php doi:10.15468/7ep9i2
Herbario de la Universidad de Salamanca (SALA)
GBIF-Sweden: Herbarium of Umeå University (UME) doi:10.15468/gatdg4
GBIF-Sweden: Botany (UPS)
GBIF-Sweden: Phanerogamic Botanical Collections (S)
Naturalis Biodiversity Center: Naturalis Biodiversity Center (NL) - Botany Utrecht doi:10.15468/zk8soo
Canadian Museum of Nature Herbarium (The National Herbarium of Canada)
Natural History Museum, University of Oslo: Vascular Plants, Field notes, Oslo (O) doi:10.15468/w8gru5
Natural History Museum, University of Oslo: Vascular Herbarium, NMBU doi:10.15468/mbhmmt
University of Alberta Museums: University of Alberta Vascular Plant Herbarium (ALTA) doi:10.15468/dqb9za
Green Plant Herbarium (TRT) from Royal Ontario Museum. http://dx.doi.org/10.5886/g7j6gct1 (accessed on [date])., doi:10.5886/g7j6gct1 doi:10.15468/xrft7m
Natural History Museum, University of Oslo: Tromsø Museum, Vascular plants doi:10.15468/14epds
OAC-Herbarium, Biodiversity Institute of Ontario from University of Guelph. http://dx.doi.org/10.5886/66f3rstaa (accessed on [date]), doi:10.5886/66f3rsta doi:10.5886/66f3rsta
Harvard University Herbaria, Index of Botanical Specimens., Harvard University Herbaria, Index of Botanical Specimens doi:10.15468/o3pvnh
Natural History Museum, University of Oslo: Vascular plant herbarium, Agder naturmuseum og botaniske hage doi:10.15468/2g6i0v
MNHN - Museum national d'Histoire naturelle: Vascular plants collection (P) of the Muséum national d'Histoire Naturelle (MNHN - Paris) doi:10.15468/nc6rxy
GBIF-Sweden: Gothenburg Herbarium - General (GBIF:IH:GB:Herbarium)
Natural History Museum, University of Oslo: BioFokus doi:10.15468/jxbhqx
Museo Argentino de Ciencias Naturales: Herbario Nacional de Plantas Vasculares - Museo Argentino de Ciencias Naturales 'Bernardino Rivadavia' doi:10.15468/cbpzmf
ArtDatabanken: Artdata doi:10.15468/kllkyl
Lund Botanical Museum (LD): Lund Botanical Museum (LD) doi:10.15468/c4w4co
Council of Heads of Australasian Herbaria (CHAH): Australia's Virtual Herbarium doi:10.15468/rhzrxw
Natural History Museum, University of Oslo: Vascular Plant Herbarium, Trondheim (TRH) doi:10.15468/zrlqok
Norwegian Institute for Nature Research: Botanical Collection doi:10.15468/efxl43
TRTE Herbarium (TRTE) from University of Toronto Mississauga. http://dx.doi.org/10.5886/b5umch2s (accessed on [date])., doi:10.5886/b5umch2s doi:10.5886/b5umch2s
Anthos: Spanish Plants Information System, Biodiversity Foundation-Royal Botanical Garden, CSIC: Fundación Biodiversidad, Real Jardín Botánico (CSIC): Anthos. Sistema de Información de las plantas de España doi:10.15468/4wnutv
National Museum of Natural History, Smithsonian Institution: NMNH occurrence DwC-A doi:10.15468/dipjcr
Natural History Museum, University of Oslo: Vascular Plant Herbarium, Oslo (O) doi:10.15468/wtlymk
University of Washington Burke Museum. WTU Herbarium Vascular Plant Collection. Seattle, Washington.
Finnish Museum of Natural History: Fieldjournal.org observation database doi:10.15468/zscvs5
Natural History Museum, Vienna - Herbarium W: Natural History Museum, Vienna - Herbarium W
University of Bergen: Vascular Plant Herbarium, Bergen (BG) doi:10.15468/ofn0lf
Natural History Museum (2015): Collection specimens data.nhm.ac.uk., http://dx.doi.org/10.5519/0002965 doi:10.5519/0002965
DAO Herbarium
Botanical Garden & Museum, Natural History Museum of Denmark: Botanical Museum, Copenhagen. Database of type specimens
Natural History Museum, University of Oslo: Vascular Plants, Field notes, Trondheim (TRH) doi:10.15468/kkb2x0
University of Alberta Museums: University of Alberta Museums, Vascular Plant Herbarium
Jyvaskyla University Museum - The Section of Natural Sciences
Röpert, D. (Ed.) 2000 - (continuously updated): Digital specimen images at the Herbarium Berolinense (B).
Finnish Museum of Natural History: Herbarium, Centre for Biodiversity, University of Turku, Finland (TUR) doi:10.15468/sti0vl
KNWR Herbarium Collection doi:10.15468/quvsca
Finnish Museum of Natural History: Herbarium (Åbo Akademi), Centre for Biodiversity, University of Turku (TURA) doi:10.15468/zuqj5b
GBIF-Sweden: Wetland Inventory (NV)
Marie-Victorin Herbarium (MT) from University of Montreal Biodiversity Centre. http://dx.doi.org/10.5886/rzav8bu2 (accessed on [date])., doi:10.5886/rzav8bu2 doi:10.5886/rzav8bu2
Kathryn Kalmbach Herbarium (KHD) doi:10.15468/euw5ge
Norwegian Institute for Nature Research: Botanical Collection
Naturalis Biodiversity Center: Nationaal Herbarium Nederland
http://apps.kew.org/herbcat/gotoCiteUs.do doi:10.15468/ly60bx