Petrosimonia sibirica
Petrosimonia litwinowii
Petrosimonia glaucescens
Petrosimonia squarrosa
Petrosimonia oppositifolia
Petrosimonia monandra
Petrosimonia triandra
Petrosimonia brachiata
Petrosimonia brachyphylla
Petrosimonia nigdeensis
Petrosimonia glauca
Petrosimonia hirsutissima
Petrosimonia crassifolia
(tree size 3)