B : http://ww2.bgbm.org/Herbarium/default.cfm
BISH : http://nsdb.bishopmuseum.org/
BR : https://www.botanicalcollections.be/#/en/search/specimen
E : http://data.rbge.org.uk/search/herbarium/
G : http://www.ville-ge.ch/cjb/
K : http://www.rbgkew.org.uk/collections/index.html
NY : http://www.nybg.org/
OXF : http://herbaria.plants.ox.ac.uk/bol/oxford
P : https://science.mnhn.fr/institution/mnhn/collection/p/item/search/form
PTBG : http://ntbg.org/
US : https://naturalhistory.si.edu/research/botany
Tropicos : http://www.tropicos.org/
HUH : http://kiki.huh.harvard.edu/databases/botanist_index.html
International Plant Name Index (IPNI) : http://www.ipni.org
Plants of the World Online (POWO) : http://powo.science.kew.org/
World Checklist of Selected Plant Families : http://www.kew.org/wcsp/
BHL : http://www.biodiversitylibrary.org/browse/titles
Botanicus : http://www.botanicus.org/
Cook : http://cookislands.bishopmuseum.org/search.asp
Hawaii : https://naturalhistory2.si.edu/botany/hawaiianflora/index.htm
Marquises : https://naturalhistory2.si.edu/botany/marquesasflora/
Micronésie : https://naturalhistory2.si.edu/botany/micronesia/index.htm
Nouvelle-Calédonie :
Herbier de Nouméa (NOU) : http://publish.plantnet-project.org/project/nou
FLORICAL : http://publish.plantnet-project.org/project/florical_fr
Samoa : http://florasamoa.net/index.php