List of countries:
Australia – Belgium – Czech Republic – France – Germany – The Netherlands – Spain – Sweden – Switzerland – United Kingdom – USA
Australia
Botanic Gardens of South Australia
Librarian
Botanic Gardens & State Herbarium
Hackney Road
Adelaide SA 5000
Australia
Contact: Lorrae West
botanicgardens((a))sa.gov.au
https://www.botanicgardens.sa.gov.au/
Belgium
Meise Botanic Garden
Nieuwelaan 38
1860 Meise
Belgium
Contact: Nicole Hanquart
library((a))botanicgardenmeise.be
www.botanicgardenmeise.be
Czech Republic
Institute of Botany of the CAS, v. v. i.
Zámek 1
252 43 Průhonice
Czech Republic
Contact: Veronika Macáková
Veronika.Macakova((a))ibot.cas.cz
https://www.ibot.cas.cz/en/
France
Conservatoire botanique national de Bailleul
Hameau de Haendries
59270 Bailleul
France
Contact: Renaud Ward
r.ward((a))cbnbl.org
bibli.cbnbl.org
Muséum national d’Histoire naturelle
Direction des Bibliothèques et de la Documentation
Bibliothèque de Botanique
16 rue Buffon – BP 39
75005 Paris
France
Contact: Florence Tessier
botabib((a))mnhn.fr
http://bibliotheques.mnhn.fr/medias/medias.aspx?INSTANCE=EXPLOITATION&PORTAL_ID=portal_model_instance__page_bib_botanique.xml#
Société nationale d’Horticulture de France
Bibliothèque
84, rue de Grenelle
75007 Paris
France
Contact: Mégane Pulby
megane.pulby((a))snhf.org
https://www.snhf.org/category/bibliotheque/
Germany
Freie Universität Berlin
Bibliothek am Botanischen Garten und Botanischen Museum
Königin Luise-Straße 6-8
14195 Berlin
Germany
Contact: Karin Oehme
library((a))bo.berlin
https://www.bo.berlin/de/bibliothek
The Netherlands
Hortus botanicus Leiden
5e binnenvestgracht 8
2311VH Leiden
The Netherlands
Contact: Roderick Bouman
hortus((a))hortus.leidenuniv.nl
https://hortusleiden.nl/
Naturalis
Library
Darwinweg 2
2333 CR Leiden
The Netherlands
Contact: Marianne van der Wal
library((a))naturalis.nl
https://www.naturalis.nl/
Royal General Bulbgrowers’ Association
Weeresteinstraat 10A
2181 GA Hillegom
The Netherlands
Contact: Arie Dwarswaard
dwarswaard((a))kavb.nl
www.kavb.nl
Spain
Real Jardín Botánico
C/ Cuesta Moyano n. 1
28014 Madrid
Spain
Contact: Félix Alonso
biblio((a))rjb.csic.es
https://rjb.csic.es/rjb-colecciones/biblioteca/
Sweden
Uppsala University Library
Box 510
751 20 Uppsala
Sweden
Contact: Helena Backman
helena.backman((a))ub.uu.se
www.ub.uu.se
Switzerland
Conservatoire et Jardin botaniques de Genève
Bibliothèque
Chemin de l’Impératrice 1
1292 Chambésy-Genève
Switzerland
Contact: Pierre Boillat
biblio.cjb((a))ville-ge.ch
https://www.cjbg.ch/fr/visiter/bibliotheque
United Kingdom
The Linnean Society of London
Burlington House
Piccadilly
London, W1J 0BF
United Kingdom
Contact: Isabelle Charmantier
library((a))linnean.org
https://www.linnean.org/
Royal Botanic Garden Edinburgh
20a Inverleith Row
Edinburgh EH3 5LR
United Kingdom
Contact: Lorna Mitchell
library((a))rbge.org.uk
https://www.rbge.org.uk/
Royal Horticultural Society
RHS Lindley Library
80 Vincent Square
London SW1P 2PE
United Kingdom
Contact: Dr. Jan Conway
janconway((a))rhs.org.uk
www.rhs.org.uk
Royal Horticultural Society
Wisley Library
RHS Hilltop
Woking, GU23 6QB
United Kingdom
library((a))rhs.org.uk
https://www.rhs.org.uk/education-learning/libraries-at-rhs
USA
Harvard Botany Libraries
22 Divinity Ave.
Cambridge, MA 02138
USA
botref((a))oeb.harvard.edu
https://huh.harvard.edu/libraries
The Morton Arboretum
Sterling Morton Library
4100 Illinois Route 53
Lisle, Illinois 60532
USA
Contact: Rita M. Hassert
library((a))mortonarb.org
https://mortonarb.org/explore/sterling-morton-library/