We gratefully acknowledge the contribution of the following reviewers who reviewed papers for Dendrobiology in 2019.

Magdalena Arasimowicz-Jelonek, Poland

Hartmut Balder, Germany

Jonathan Banks, United Kingdom

Adam Boratyński, Poland

Laurent Bouffier, France

Noémie Boulanger‐Lapointe, Canada

Dijana Cortan, Serbia

Bert Cregg, United States

Stanisław Drozdowski, Poland

Katerina Eliasova, Czech Republic

Mahmoud Ghayyad, Syria

Balkrishna Ghimire, Korea (South)

Agnieszka Gniazdowska-Piekarska, Poland

Piotr Górski, Poland

Teresa Hazubska-Przybył, Poland

Kathryn Hill, Australia

Hannu Hokka, Finland

Paweł Horodecki, Poland

Radosław Jagiełło, Poland

Szymon Jastrzębowski, Poland

Kyu-Suk Kang, Korea (South)

Chal Landgren, United States

Angela Lo Monaco, Italy

Scott Lukas, United States

Lixin Lyu, China

Katarzyna Marciszewska, Poland

Katarzyna Marcysiak, Poland

Ana Martins, Portugal

Arleta Małecka, Poland

Kristine Mijnsbrugge, Belgium

Pietro Minissale, Italy

Zafer Olmez, Turkey

Ranieri Paula, Brazil

Tomasz Pawłowski, Poland

Emilia Pers-Kamczyc, Poland

Ion Catalin Petritan, Romania

Igor Poljak, Croatia

David Ratkowsky, Australia

Dušan Roženbergar, Slovenia

Terezia Salaj, Slovak Republic

Agnieszka Sękara, Poland

Katarzyna Sękiewicz, Poland

Jiri Soucek, Czech Republic

Aleksandra Staszak, Poland

Inga Straupe, Latvia

Agnieszka Szuba, Poland

Mirela Tulik, Poland

Josef Urban, Czech Republic

Milan Valachovič, Slovak Republic

Beata Woziwoda, Poland

Dorota Wrońska-Pilarek, Poland

Tomasz Wyka, Poland

Eric Zenner, United States

Jenna Zukswert, United States