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: 
GBIF-Spain: Sistema de Información de la vegetación Ibérica y Macaronésica
Muséum d'Histoire Naturelle d'Autun, Herbarium: Herbarium specimens
SPN - Service du Patrimoine naturel, Muséum national d'Histoire naturelle, Paris: Inventaire National du Patrimoine Naturel : Flore Franco-Belge
EURISCO, the European PGR Search Catalogue                 http://eurisco.ecpgr.org/_1About/9Legal/index.php
UK National Biodiversity Network: Dr Francis Rose Field Notebook Project - Field Notebook Records of Dr Francis Rose 1950's to 1990's
Finnish Museum of Natural History: Herbarium, Botany Unit, Finnish Museum of Natural History (H)
University of British Columbia Herbarium (UBC). http://dx.doi.org/10.5886/rtt57cc9. (consulted on [date]), doi:10.5886/rtt57cc9
Botanical Institute of Barcelona (CSIC - Ayuntamiento de Barcelona): Institut Botanic de Barcelona, BC-Histórico
Missouri Botanical Garden: Missouri Botanical Garden
National Museum of Natural History Luxembourg Recorder database
Renker, C. (Ed.) 2013+ (continuously updated): Botanical Field Data at Naturhistorisches Museum Mainz / Landessammlung für Naturkunde Rheinland-Pfalz (MNHM).
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
SysTax: SysTax - Botanical Gardens
Herbario Universidad de Málaga (MGC). Herbarium collections online databases.
Botanical Institute of Barcelona (CSIC - Ayuntamiento de Barcelona): Institut Botanic de Barcelona, BC
Botanical Garden, University of Valencia: Jardi Botanic de Valencia: VAL
GBIF-Spain: Institut Menorquí d'Estudis. Colección Histórica de Rodríguez Femenías, Herbarium Generale Minoricae: HGM-Femenias
Royal Botanic Garden Edinburgh. (2014) Preserved Collections Database (E)
National Biodiversity Data Centre: The Flora of County Wexford
Real Jardín Botánico (CSIC): Real Jardin Botanico: Dibujos de la Real Expedición Botánica del Nuevo Reino de Granada (1783-1816), dirigida por J.C. Mutis
Renker, C. (Ed.) 2010+ (continuously updated): Digitised specimen data at Naturhistorisches Museum Mainz / Landessammlung für Naturkunde Rheinland-Pfalz (MNHM).
Dept. of Vegetal Biology and Ecology, Faculty of Experimental Science, University of Almeria: Herbario de la Universidad de Almeria
UK National Biodiversity Network: Merseyside BioBank - North Merseyside Flowering Plants (verified)
Datenbank FLORKART, BfN und NetPhyD
naturgucker.de: naturgucker
Dutch Foundation for Botanical Research (FLORON): FLORIVON
UK National Biodiversity Network: South East Wales Biodiversity Records Centre - CCW Regional Data : South East Wales Non-sensitive Species Records
Tela-Botanica: Carnet en Ligne
UK National Biodiversity Network: Botanical Society of the British Isles - Vascular Plants Database additions since 2000
UK National Biodiversity Network: Merseyside BioBank - Merseyside BioBank Active Naturalists (unverified)
ACEDO C. et LLAMAS F. -2006 onwards- LEB Vascular Plants Collections Online Databases. En la Web: http://www.gbif.es
AAU Herbarium Database
BeBIF Provider: Belgian IFBL Flora Checklists (1939-1971)
Department of Bioscience, Aarhus University: Vegetation data from protected areas in Denmark (§ 3 in the Danish Nature Protection Act)
F.J. Salgueiro, S. Talavera et al. (2006). SEV collections online data bases
GBIF-Spain: Universidad de Navarra, Herbarium: PAMP-Vascular Plants
Bodensee-Naturmuseum Konstanz: Leiner-Herbar Konstanz
University Museums of Norway
MNHN - Museum national d'Histoire naturelle: Herbarium specimens - Harmas de J. H. Fabre
Willing, E. (Ed.) 1978 - (continuously updated): Herbarium collection of Eckhard Willing at the Herbarium Berolinense (B).
Herbario de la Universidad de Alicante, ABH (2005).
Natural History Museum, University of Oslo: Vascular Plant Herbarium, Oslo (O)
Danish Nature Agency: Vascular plants in Denmark recorded under the The Nationwide Monitoring and Assessment Programme for the Aquatic and Terrestrial Environments (NOVANA)
University of Washington Burke Museum. WTU Herbarium Vascular Plant Collection. Seattle, Washington.
Herbario SANT, Universidade de Santiago de Compostela: SANT herbarium vascular plants collection
Natural History Museum, Vienna - Herbarium W: Natural History Museum, Vienna - Herbarium W
Botanic Garden and Botanical Museum Berlin-Dahlem: Staatliches Museum für Naturkunde Stuttgart, Herbarium
Röpert, D. (Ed.) 2000 - (continuously updated): Digital specimen images at the Herbarium Berolinense (B).
Herrera, M. et al. (2004). BIO Vascular Plants Collections on line databases.
NA
inatura - Erlebnis Naturschau Dornbirn: inatura - Erlebnis Naturschau Dornbirn
GEO-Tag der Artenvielfalt: Schatzinsel Norderney
GBIF-Spain: Herbario de la Universidad de Granada: GDA
SPN - Service du Patrimoine naturel, Muséum national d'Histoire naturelle, Paris: Inventaire National du Patrimoine Naturel (I093) : Flore du Massif Armoricain
SysTax: SysTax - Herbaria
Naturalis Biodiversity Center: Natural History Museum Rotterdam
UK National Biodiversity Network: Joint Nature Conservation Committee - Vegetation surveys of coastal shingle in Great Britain
F.J. Salgueiro, S. Talavera et al. (2006). SEV collections online data bases
http://apps.kew.org/herbcat/gotoCiteUs.do
Conservatoire et Jardin botaniques de la Ville de Genève. Botanical Information System of Geneva
Oregon State University Herbarium (OSC)
Real Jardín Botánico (CSIC): Real Jardin Botanico (Madrid), Vascular Plant Herbarium (MA)
Conservatoire botanique national du Bassin parisien: Observations du Conservatoire botanique national du Bassin parisien.
US National Plant Germplasm System: United States National Plant Germplasm System Collection
Aranzadi Science Society: Base de datos de plantas vasculares del País Vasco: ARAN-EH
SPN - Service du Patrimoine naturel, Muséum national d'Histoire naturelle, Paris: Inventaire National du Patrimoine Naturel (I062) : Flore de l'Ain
GBIF-Sweden: Herbarium of Oskarshamn (OHN)
Tela-Botanica: Phytochorologie des départements français
SANBI
Tiroler Landesmuseum Ferdinandeum: Tiroler Landesmuseum Ferdinandeum
Senckenberg: Herbarium Senckenbergianum (FR)
National Biodiversity Data Centre: BSBI tetrad data for Ireland
Museum d'Histoire Naturelle of Aix-en-Provence, Herbarium: Herbarium specimens
Van Landuyt W, Vanhecke L, Brosens D (2012) Florabank 1: a grid-based database on vascular plant distribution in the northern part of Belgium (Flanders and the Brussels Capital region). PhytoKeys 12: 59–67. doi:10.3897/phytokeys.12.2849, http://dx.doi.org/10.3897/phytokeys.12.2849
UC Davis Herbarium
National Biodiversity Data Centre: Irish Crop Wild Relative Database
Herbario de la Universidad de Salamanca (SALA)
GBIF-Sweden: Phanerogamic Botanical Collections (S)
GBIF-Sweden: Botany (UPS)
Alterra, Wageningen UR: Dutch Vegetation Database (LVD)
GEO-Tag der Artenvielfalt: BUND - Dassower See (Lübeck/Dassow)
Department of Organisms and Systems Biology. University of Oviedo: Universidad de Oviedo. Departamento de Biología de Organismos y Sistemas: FCO
UK National Biodiversity Network: Northern Ireland Environment Agency - EHS Species Datasets
OAC-Herbarium, Biodiversity Institute of Ontario from University of Guelph. http://dx.doi.org/10.5886/66f3rstaa (accessed on [date]), doi:10.5886/66f3rsta
GEO-Tag der Artenvielfalt: Wangerooge
Natural History Museum, University of Oslo: Vascular plant herbarium, Agder naturmuseum og botaniske hage
MNHN - Museum national d'Histoire naturelle: Phanerogams herbarium specimens
Sóller Botanical Garden Foundation: Hortus Botanicus Sollerensis Herbarium (FBonafè)
http://www.cpbr.gov.au/cpbr/herbarium
Herbario del Jardí Botànic Marimurtra
UK National Biodiversity Network: Suffolk Biological Records Centre - Suffolk Biological Records Centre (SBRC) dataset
Jyväskylä University Museum - The Section of Natural Sciences: Herbarium of Lars Levi Laestadius
Utah State University: USU-UTC Specimen Database
Natural History Museum Rotterdam: Natural History Museum Rotterdam (NL) - Plantae collection
ArtDatabanken: Artdata
Herbier de l'université de Limoges: Herbarium specimens data
Haus der Natur ([Jahr]): Biodiversitätsdatenbank des Landes Salzburg am Haus der Natur Salzburg. Digitaler Datenbestand aus der Biodiversitätsdatenbank, eingesehen mit Genehmigung des Hauses der Natur am [Datum der Einsichtnahme bzw. Datenübermittlung].
SPN - Service du Patrimoine naturel, Muséum national d'Histoire naturelle, Paris: Inventaire National du Patrimoine Naturel : Flore d'Ille-et-Vilaine
Lund Botanical Museum (LD): Lund Botanical Museum (LD)
Department of Organisms and Systems Biology. University of Oviedo: Universidad de Oviedo. Departamento de Biología de Organismos y Sistemas: FCO-Briof
UK National Biodiversity Network: Merseyside BioBank - North Merseyside Flowering Plants (unverified)
Ernst-Moritz-Arndt-Universitaet: Floristic Databases of Mecklenburg-Pomerania - Higher Plants
Natural History Museum, University of Oslo: Vascular Plant Herbarium, Trondheim (TRH)
UK National Biodiversity Network: Botanical Society of the British Isles - Vascular Plants Database
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
National Biodiversity Data Centre: Irish vascular plant data 1999-2009
WAHerb
Natural History Museum Maastricht: Natural History Museum Maastricht (NL) - Herbarium
UK National Biodiversity Network: Bristol Regional Environmental Records Centre - BRERC October 2009
Botanical Garden & Museum, Natural History Museum of Denmark: Botany registration database by Danish botanists
National Biodiversity Data Centre: The Flora of County Waterford
GEO-Tag der Artenvielfalt: Ried und Sand - Artenvielfalt durch Beweidung
Université de Strasbourg: Herbier de Strasbourg
Marie-Victorin Herbarium (MT) from University of Montreal Biodiversity Centre. http://dx.doi.org/10.5886/rzav8bu2 (accessed on [date])., doi:10.5886/rzav8bu2
National Biodiversity Data Centre: Online Atlas of vascular plants 2012-2020
Naturalis Biodiversity Center: Nationaal Herbarium Nederland