Gattungen assoziierter Organismen: Rabdosia [4 Taxa], Raciborskiella [115 Taxa], Radermachera [1 Taxon], Rafnia [23 Taxa], Rajania [25 Taxa], Ramalia [2 Taxa], Ramalina [22 Taxa], Ramichloridium [11 Taxa], Ramsbottomia [1 Taxon], Ramularia [74 Taxa], Ramulispora [6 Taxa], Rana [1 Taxon], Randia [137 Taxa], Ranunculus [536 Taxa], Rapanea [182 Taxa], Raphanus [261 Taxa], Raphia [8 Taxa], Raphidorrhynchium [9 Taxa], Raphiolepis [6 Taxa], Rapistrum [35 Taxa], Rastococcus [1 Taxon], Rastrococcus [2 Taxa], Rathbunia [1 Taxon], Rattus [31 Taxa], Rauvolfia [110 Taxa], Ravenala [36 Taxa], Ravenelia [15 Taxa], Ravenia [2 Taxa], Rawenia [1 Taxon], Rawsonia [2 Taxa], Reaumuria [4 Taxa], Rebentischia [4 Taxa], Reboulia [1 Taxon], Redbia [2 Taxa], Refractohilum [3 Taxa], Rehmannia [2 Taxa], Reichardia [7 Taxa], Reinwardtia [2 Taxa], Rejoua [2 Taxa], Relbunium [3 Taxa], Relchela [4 Taxa], Relhania [1 Taxon], Remirea [1 Taxon], Renealmia [13 Taxa], Reseda [31 Taxa], Restio [2 Taxa], Resupinatus [2 Taxa], Retama [5 Taxa], Reynosia [4 Taxa], Reynoutria [5 Taxa], Rhabditis [8 Taxa], Rhabdospora [18 Taxa], Rhacoma [22 Taxa], Rhaeoma [1 Taxon], Rhagadiolus [2 Taxa], Rhagadolobium [1 Taxon], Rhagadostoma [6 Taxa], Rhamnella [2 Taxa], Rhamnus [459 Taxa], Rhamphoria [1 Taxon], Rhaphiolepis [2 Taxa], Rhaphiostylis [2 Taxa], Rhaphithamnus [6 Taxa], Rhapis [22 Taxa], Rhaponticum [5 Taxa], Rheedia [9 Taxa], Rheum [46 Taxa], Rhexia [1 Taxon], Rhigiocarya [2 Taxa], Rhinacanthus [4 Taxa], Rhinanthus [28 Taxa], Rhinoceros [3 Taxa], Rhinocladiella [31 Taxa], Rhinocladium [4 Taxa], Rhinotrichum [3 Taxa], Rhipsalis [2 Taxa], Rhizidiomyces [8 Taxa], Rhizocarpon [18 Taxa], Rhizoctonia [1 Taxon], Rhizomorpha [1 Taxon], Rhizophlyctis [6 Taxa], Rhizophora [138 Taxa], Rhizophydium [12 Taxa], Rhizopogon [5 Taxa], Rhizopus [17 Taxa], Rhizosphaera [4 Taxa], Rhizosphaerina [1 Taxon], Rhodamnia [1 Taxon], Rhodiola [1 Taxon], Rhodoarrhenia [1 Taxon], Rhodobryum [2 Taxa], Rhododendron [564 Taxa], Rhodomyrtus [3 Taxa], Rhodopis [1 Taxon], Rhodostachis [5 Taxa], Rhodosticta [9 Taxa], Rhodotorula [13 Taxa], Rhodotypos [3 Taxa], Rhodura [1 Taxon], Rhoeo [5 Taxa], Rhoiacarpos [15 Taxa], Rhoicissus [47 Taxa], Rhoiocarpus [38 Taxa], Rhombostilbella [6 Taxa], Rhopalomyces [1 Taxon], Rhopalosiphum [2 Taxa], Rhopalostylis [3 Taxa], Rhopographus [2 Taxa], Rhus [391 Taxa], Rhymbocarpus [2 Taxa], Rhynchaenus [1 Taxon], Rhynchelytrum [78 Taxa], Rhynchocoris [2 Taxa], Rhynchomeliola [14 Taxa], Rhynchonectria [1 Taxon], Rhynchosia [228 Taxa], Rhynchospora [234 Taxa], Rhytidenglerula [5 Taxa], Rhytidhysterium [9 Taxa], Rhytidhysteron [31 Taxa], Rhytidophyllum [2 Taxa], Rhytisma [29 Taxa], Ribes [774 Taxa], Riccardia [1 Taxon], Riccia [20 Taxa], Richardia [5 Taxa], Richea [10 Taxa], Richeria [1 Taxon], Ricinodendron [1 Taxon], Ricinus [313 Taxa], Rigidoporus [15 Taxa], Rimbachia [2 Taxa], Rimularia [2 Taxa], Rindera [3 Taxa], Rinodina [4 Taxa], Rinorea [21 Taxa], Ripogonum [2 Taxa], Rivea [15 Taxa], Rivina [25 Taxa], Rivinia [2 Taxa], Rizalia [2 Taxa], Rizaliopsis [10 Taxa], Robillarda [8 Taxa], Robinia [914 Taxa], Robinsonia [5 Taxa], Robledia [1 Taxon], Roccella [1 Taxon], Rochelia [1 Taxon], Roegneria [7 Taxa], Roemeria [1 Taxon], Rogellia [7 Taxa], Rohdea [2 Taxa], Rollandia [4 Taxa], Rollinia [14 Taxa], Romellia [1 Taxon], Romulea [5 Taxa], Rondeletia [117 Taxa], Rorippa [29 Taxa], Rosa [2020 Taxa], Roscoea [3 Taxa], Rosellinia [12 Taxa], Roselliniella [5 Taxa], Rosenscheldiella [8 Taxa], Roseodiscus [1 Taxon], Rosmarinus [9 Taxa], Rostellularia [1 Taxon], Rostkovia [11 Taxa], Rotala [3 Taxa], Rothmannia [6 Taxa], Rottboellia [185 Taxa], Roupala [58 Taxa], Roupellia [1 Taxon], Rourea [52 Taxa], Rousselia [4 Taxa], Royena [30 Taxa], Roystonea [1171 Taxa], Rozella [9 Taxa], Rozellopsis [1 Taxon], Rubacer [4 Taxa], Rubia [51 Taxa], Rubus [1627 Taxa], Rudbeckia [38 Taxa], Rudgea [2 Taxa], Rudolphia [9 Taxa], Ruellia [40 Taxa], Rumex [719 Taxa], Rumohra [22 Taxa], Rungia [8 Taxa], Ruprechtia [1 Taxon], Rusa [9 Taxa], Ruscus [103 Taxa], Russelia [3 Taxa], Russula [28 Taxa], Ruta [6 Taxa], Ruthea [1 Taxon], Ruthia [4 Taxa], Rutidea [4 Taxa], Rutola [1 Taxon], Ruttya [2 Taxa], Ryania [2 Taxa], Ryparobius [8 Taxa], Rytilix [5 Taxa]