Attention: Latin names used in this index originate from historic literature and in many cases do not correspond to modern botanical nomenclature.
Ribes sanguineum --> Robinia pseudacaciaRibes sanguineum  | 
Ribes sanguineum  | 
Ribes sativum  | 
Ribes uva-crispa  | 
Ribes uva-crispa  | 
Ribes uva-crispa  | 
Ribes uvacrispa  | 
Riccardia montagnei  | 
Riccardia montagnei  | 
Riccia bifurca  | 
Riccia bischoffii  | 
Riccia canaliculata  | 
Riccia ciliata  | 
Riccia ciliata  | 
Riccia ciliata  | 
Riccia fluitans  | 
Riccia glauca  | 
Riccia glauca  | 
Riccia glauca  | 
Riccia glauca  | 
Riccia glauca  | 
Riccia intumescens  | 
Riccia lescuriana  | 
Riccia michelii  | 
Riccia minima  | 
Riccia natans  | 
Riccia pusilla  | 
Riccia ruppinensis  | 
Riccia sorocarpa  | 
Riccia subcrispula  | 
Riccia warnstorfii  | 
Ricciella crystallina  | 
Ricciella fluitans  | 
Ricciella fluitans  | 
Ricciocarpus natans  | 
Ricciocarpus natans  | 
Ricinus communis  | 
Ricinus communis  | 
Ricinus communis  | 
Ricinus communis  | 
Ricinus communis  | 
Ricinus communis  | 
Ricinus communis  | 
Ricinus communis  | 
Ricinus communis  | 
Ricinus communis  | 
Ricinus communis  | 
Ricinus communus  | 
Riella helicophylla  | 
Riella reuteri  | 
Rindera tetraspis  | 
Rinorea physiphora  | 
Rissoella verruculosa  | 
Rissonella verruculosa  | 
Rivularia  | 
Rivularia haematites  | 
600 dpi high resolution scan (TIFF image) Rivularia minutula  | 
Rivularia minutula  | 
Rizinus communis  | 
Robinia pseudacacia  |