Search for: [Subject and Keywords = botanical drawings] OR [Subject and Keywords = black crowberry] OR [Subject and Keywords = bisexual tetraploid subspecies] OR [Subject and Keywords = rysunki botaniczne] OR [Subject and Keywords = bażyna czarna obupłciowa] OR [Title = Empetrum nigrum subsp. hermaphroditum \(Hagerup\) Bocher] OR [Creator = Boratyński, Adam]