Acknowledgements
We would like to thank the following persons and institutions for supporting our project:
Biodiversity Heritage Library (https://www.biodiversitylibrary.org/)
www.plantillustrations.org
Abbott, Carol
Akashi, Naoki
Alqoubaili, Reem
Andreicheva, Olga
Aristova, Lilia
Barfuss, Dr. Michael
Barthlott, Prof. Dr. Wilhelm
Bauer, Dr. Ralf
Bosman, Jaap
Boyce-Miles, Kate Helen
Brewster, Tracy
Bugno, Juliana Maria
Burroughs, Curtis
Buys, Gerhard
Calixto, Ilza Cristiane
Cardoso, Maria Auxiliadora Reis
Champagne, Angela
Clarke, Rebbeca
Colleran Wildman, Patty
Combernoux, Michel
Cooperman, David
Coxhead, Peter
de Macedo, Jurades
de Oliveira, Vivian Filus
de Vries, Ilona
Deiss, Birgit
do Carmo, Luana Cristine
Doiron, Becky
Dubrovskaya, Olga
Erwin, Angela K.
Everson (Rainbow Gardens), Chuck
Feria, Allan
Fisher, Donna
Freimut da Silva, Mariceli
Gagnon-Kvale, Shacarah
Ghiasvand, Christina M.
Goddard, Michele
Gorniak, Lucia
Guillot, Michael
Harper, Charmaine
Hofland Flowering Plants
Horst Kempner, Irlane
Hubner de Araújo, Iracema
J. de Vries Potplantencultures b.v.
Jesberger, Sherry
Kaiser, Erin
Kazankina, Еkaterina
Kempner, Mileide
Lambert, Anna
Longseth, David
Lord, Glen
Lordicultural
Lutsky, Barbara
Maada, Tihami
Mann, Kevin
Meier, Eckhard
Melo, Andréia F.
Metlushko, Zlata
Miyahara, Kazuhiro
Mohrdieck, Heinz Peter
Morozova, Nastya
Morson, Trev
Norman, André
Northup, Katherine
Obolenskaya, Mila
Old, Jo
Ovstebo, Gunnar
Palomo, Antonio
Payne, Michele
Peterson, Darlene
Petry, Patty
Piirie-Laisnez, Shauna
Pokhvalitova Olga
Poling, Kyle
Poméon, Patrick Alain
Preston, Mark
Renois, Juli
Rollason, Gordon
Rowan, Annette
Rozhkova, Alena
Saia, Valter Eugenia
Santos Silva, Gidelma
Saylor, Mary
Schade, Reinhart
Schuhmann, Susanne
Shekh, Vera
Sinkovic, Linda
Stepanenco, Vlada
TablePress By Tobias Bäthge
Trimble, Hong
Tsymbalist, Irina
van Heden, Miranda
Viray, Michael J.
Volpato Perocco, Célia
Voorwinde, Simon
Whitton, Randy
Woods, Melissa
Youmans, Brenda
Zinn, Zipora
If we have forgotten someone, we apologize. Please let us know.