Anna Lou Abatayo
Netherlands; Canada; Italy; Denmark; United States
Sarah Ahmed
Sudan; Netherlands
Ervin Alcanzo
Netherlands
Mansour Aliabadian
Iran; Netherlands
André Aptroot
Netherlands

Collected Parmeliaceae
Cengiz Arslan
Netherlands
Assis, Julia C
Netherlands
Tomas Badura
Netherlands; Czechia; United Kingdom
Tiphaine Bailly
Netherlands
Hannco Bakker
Netherlands

Collected Porcellanidae and identified Porcellanidae
Eric Bastiaans
Netherlands
Kevin Beentjes
Netherlands
Wouter Beukema
Netherlands
Jean-Christophe Billeter
Netherlands
Iliana Bista
United Kingdom; Netherlands
Alexander Blackwell
Netherlands
Marijn J. A. Boer
Netherlands
Gert Jan Bokdam
Netherlands

Collected Rubiaceae
Franca J Bongers
China; Netherlands
Guido Bonthond
Netherlands
Farzaneh Bordbar
Netherlands; Belgium; Malaysia
Thijs Bosch
Netherlands

Collected Muridae and identified Muridae
Sander Bot
Netherlands
Tjeerd Bouma
Netherlands