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: 
Morejón, R., Sánchez, C., Regalado, L., Hernández, A. et Daniel A. 2006. Pteridophyte collection online database.
Icelandic Institute of Natural History, Reykjavik Division
Dickoré B. The Himalayan Uplands Plant database (HUP Version 1). Global Mountain Biodiversity Assessment GMBA
Finnish Museum of Natural History: Herbarium, Botanical Museum, University of Oulu, Finland (OULU)
Finnish Museum of Natural History: Herbarium, Botany Unit, Finnish Museum of Natural History (H)
Botanical Research Institute of Texas: Andes to Amazon Biodiversity Program
Mwanga Mwanga I, Mergen P, Theeten F (2013) Herbarium Specimens of LW, CRSN, RMCA 
University of British Columbia Herbarium (UBC). http://www.biodiversity.ubc.ca/museum/herbarium/database.html. (consulted on [date]), http://www.biodiversity.ubc.ca/museum/herbarium/database.html
Botanical Institute of Barcelona (CSIC - Ayuntamiento de Barcelona): Institut Botanic de Barcelona, BC-Histórico
TELDAP: Plantae, TAIF (Taiwan e-Learning and Digital Archives Program, TELDAP)
Bernice Pauahi Bishop Museum: Bishop Museum Natural Sciences Data
Missouri Botanical Garden: Missouri Botanical Garden
New Mexico Biodiversity Collections Consortium internet accessible database, provided through DiGIR protocol.
National Museum of Natural History Luxembourg Recorder database
Natural History Museum, University of Oslo: Vascular Plants, Museum of Archaeology, University of Stavanger
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
Regalado, L., Lóriga J., Morejón, R., Hechavarría, L., Fuentes, I., Hernández A., Daniel, A., Caluff, M., Ventosa, I., Vale, A. et Echevarría R. 2006. Pteridophyte collection online database.
Herbario Universidad de Málaga (MGC). Herbarium collections online databases.
Botanical Institute of Barcelona (CSIC - Ayuntamiento de Barcelona): Institut Botanic de Barcelona, BC
Instituto de Investigação Científica Tropical: IICT Herbário LISC
Canadian Museum of Nature Herbarium (The National Herbarium of Canada)
National Museum of Nature and Science, Japan: Vascular plants collection of Hiratsuka City Museum
The New York Botanical Garden: Herbarium of The New York Botanical Garden
Natural History Museum, University of Oslo: Vascular Plants, The Norwegian University of Life Sciences (NLH)
Botanical Garden, University of Valencia: Jardi Botanic de Valencia: VAL
University of Connecticut: CONN
Royal Botanic Garden Edinburgh. (2014) Preserved Collections Database (E)
National Biodiversity Data Centre: The Flora of County Wexford
National Biodiversity Data Centre: Ireland's BioBlitz 2012
Harvard University Herbaria, Index of Botanical Specimens., Harvard University Herbaria, Index of Botanical Specimens
Instituto de Ciencias Naturales: Instituto de Ciencias Naturales
National Museum of Nature and Science, Japan: Vascular Plants Collection of Sagamihara City Museum
Instituto de Ciencias Naturales: Instituto de ciencias naturales
TELDAP: Herbarium, Biodiversity Research Center, Academia Sinica, Taipei
University of Silesia, Laboratory of Botanical Documentation - Herbarium KTU: KTU Pteridophyta
Yale Peabody Museum, (c) 2009. Specimen data records available through distributed digital resources.
National Institute of Genetics, ROIS: Herbarium Specimens of Bonin and Ryukyu Islands
AAU Herbarium Database
Instituto de Botánica Darwinion - CONICET: Instituto de Botánica Darwinion
National Museum of Nature and Science, Japan: Gunma Museum of Natural History, Vascular Plant Specimen
University Museums of Norway
Athlantic Botanical Garden: Jardín Botánico Atlántico, Gijón: JBAG
Zoologisches Forschungsinstitut und Museum Alexander Koenig: ZFMK Hymenoptera collection
National Museum of Nature and Science, Japan: Herbarium Specimens of Museum of Nature and Human Activities, Hyogo Prefecture, Japan
Aranzadi Science Society: Aranzadi Zientzi Elkartea
Herbier Louis-Marie (QFA) from Université Laval. http://dx.doi.org/10.5886/3p8ltbg7 (accessed on [date])., doi:10.5886/3p8ltbg7
Museo Nacional de Costa Rica: herbario
National Museum of Nature and Science, Japan: Plant specimens depodited in Osaka Museum of Natural History, Japan.
Herbario de la Universidad de Alicante, ABH (2005).
Natural History Museum, University of Oslo: Vascular Plant Herbarium, Oslo (O)
University of Washington Burke Museum. WTU Herbarium Vascular Plant Collection. Seattle, Washington.
Herbario SANT, Universidade de Santiago de Compostela: SANT herbarium vascular plants collection
Adhikar BS, Rawat GS, Babu MM, Saklani PL, Rawat BS, Mathur VB, Talukdar G, Vasudevan K, Chavan V, Thapa R, Pundir DS, Kumar H, Sharma V and R Sood (2011). Wildlife Institute of India Herbarium dataset. PhytoKeys.
SANBI
National Museum of Nature and Science, Japan: Plant Specimens of Oiso Municipal Museum
National Museum of Nature and Science, Japan: Plant Specimens of Kurashiki Museum of Natural History
IRD - Institute of Research for Development: Herbier de la Guyane
Organization for Tropical Studies: Herbarium - Las Cruces Biological Station
Herrera, M. et al. (2004). BIO Vascular Plants Collections on line databases.
University of Alberta Museums: University of Alberta Museums, Vascular Plant Herbarium
Jyvaskyla University Museum - The Section of Natural Sciences
California Academy of Sciences: CAS Botany (BOT)
SysTax: SysTax - Herbaria
Acadia University: E. C. Smith Herbarium (ACAD)
Instituto Nacional de Biodiversidad (INBio), Costa Rica: Especímenes INBio
Fairchild Tropical Botanic Garden Virtual Herbarium
Contact Dave Watts for details on citation details.
Conservatoire et Jardin botaniques de la Ville de Genève. Botanical Information System of Geneva
Oregon State University Herbarium (OSC)
University of Amsterdam / IBED: University of Amsterdam (NL) - Páramo pollen reference collection
Ruiz, T. (2005) Vascular collection herbarium online database in Extremadura
BeBIF Provider: Herbarium of the Université Libre de Bruxelles
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.
Aranzadi Science Society: Base de datos de plantas vasculares del País Vasco: ARAN-EH
University of Manitoba Herbarium (WIN) from University of Manitoba. http://dx.doi.org/10.5886/2fva5p4r (accessed on [date]), doi:10.5886/2fva5p4r
Instituto de Investigación de Recursos Biológicos Alexander von Humboldt. 2013. Colección Herbario Federico Medem Bogotá - FMB, 94577 Registros, aportados por  el Instituto de Investigación de Recursos Biológicos Alexander von Humboldt. Villa de Leyva, Colombia, En linea http://ipt.sibcolombia.net/iavh/resource.do?r=herbario_instituto_humboldt, publicado el 13/09/2013., http://ipt.humboldt.org.co/resource.do?r=herbario_instituto_humboldt
GBIF-Sweden: Herbarium of Oskarshamn (OHN)
SANBI
National Museum of Nature and Science, Japan: FKSE-Herbarium specimens of Faculty of Symbiotic Systems Science, Fukushima University, Japan
Tiroler Landesmuseum Ferdinandeum: Tiroler Landesmuseum Ferdinandeum
Senckenberg: Herbarium Senckenbergianum (FR)
National Biodiversity Data Centre: BSBI tetrad data for Ireland
Herbarium (ALA), University of Alaska Museum, University of Alaska Fairbanks
GBIF-Sweden: Pteridophytes (S)
Herbario de la Universidad de Salamanca (SALA)
GBIF-Sweden: Phanerogamic Botanical Collections (S)
GBIF-Sweden: Botany (UPS)
Royal Botanic Gardens, Kew: Royal Botanic Gardens, Kew
National Institute of Genetics, ROIS: Vascular Plants Collection of National Museum of Nature and Science
Field Museum: Field Museum of Natural History (Botany)  Seed Plant Collection
Université de Strasbourg: Herbier de Wallis et Futuna
Department of Organisms and Systems Biology. University of Oviedo: Universidad de Oviedo. Departamento de Biología de Organismos y Sistemas: FCO
University of Alberta Museums: University of Alberta Vascular Plant Herbarium (ALTA)
Taiwan Forestry Research Institute: Herbarium of Taiwan Forestry Research Institute
Green Plant Herbarium (TRT) from Royal Ontario Museum. http://dx.doi.org/10.5886/g7j6gct1 (accessed on [date])., doi:10.5886/g7j6gct1
National Museum of Nature and Science, Japan: Kochi Prefectural Makino Botanical Garden
Natural History Museum, University of Oslo: Vascular plant herbarium, Agder naturmuseum og botaniske hage
MNHN - Museum national d'Histoire naturelle: Phanerogams herbarium specimens
http://www.cpbr.gov.au/cpbr/herbarium
Natural History Museum, University of Oslo: BioFokus
Icelandic Institute of Natural History, Akureyri Divison
University of Alabama Herbarium (UNA)
Ghana Biodiversity Information Facility (GhaBIF): University of Ghana - Ghana Herbarium
Lund Botanical Museum (LD): Lund Botanical Museum (LD)
GBIF New Zealand: New Zealand National Plant Herbarium (CHR)
Karl Franzens University of Graz, Insitute for Botany - Herbarium GZU: Karl Franzens University of Graz, Insitute for Botany - Herbarium GZU
National Biodiversity Data Centre: Biodiversity records from Ireland - general
Field Museum: Field Museum of Natural History (Botany) Pteridophyte Collection
Ernst-Moritz-Arndt-Universitaet: Floristic Databases of Mecklenburg-Pomerania - Higher Plants
Natural History Museum, University of Oslo: Vascular Plant Herbarium, Trondheim (TRH)
Smithsonian Institution. National Museum of Natural History (NMNH) Research and Collections Information System Public Dataset. http://collections.nmnh.si.edu.
Forest Research Institute, European Centre for Natural Forests: Herbarium of the Department of Natural Forests (Forest Research Institute)
National Biodiversity Data Centre: Irish vascular plant data 1999-2009
National Biodiversity Data Centre: The Flora of County Waterford
Finnish Museum of Natural History: Herbarium, Centre for Biodiversity, University of Turku, Finland (TUR)
Finnish Museum of Natural History: Herbarium (Åbo Akademi), Centre for Biodiversity, University of Turku (TURA)
GBIF-Sweden: Gothenburg Herbarium - Types (GBIF:IH:GB:Herbarium)
National Museum of Nature and Science, Japan: Vascular Plant Specimen Database of Kanagawa Prefectural Museum of Natural History
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
All data and images included herein are (C) E.C. Smith Herbarium, Irving Biodiversity Collection, Acadia University, Wolfville, NS, Canada.
Naturalis Biodiversity Center: Nationaal Herbarium Nederland