| Spezies | Risiko- gruppe | Bemer- kungen | Status |
| Racemicystis | |||
| Racemicystis crocea | 1 | neu | |
| Racemicystis persica | 1 | neu | |
| Rahnella | |||
| Rahnella aquatilis | 1 | + | |
| Rahnella bruchi | 1 | neu | |
| Rahnella victoriana | 1 | p+ | neu |
| Rahnella woolbedingensis | 1 | neu | |
| Raineyella | |||
| Raineyella antarctica | 1 | neu | |
| Ralstonia | |||
| Ralstonia basilensis → Cupriavidus basilensis | |||
| Ralstonia campinensis → Cupriavidus campinensis | |||
| Ralstonia eutropha (Alcaligenes eutrophus) → Wautersia eutropha – synonym: Cupriavidus necator | |||
| Ralstonia gilardii → Cupriavidus gilardii | |||
| Ralstonia insidiosa | 1 | + | |
| Ralstonia mannitolilytica | 2 | ||
| Ralstonia metallidurans → Cupriavidus metallidurans | |||
| Ralstonia oxalatica → Cupriavidus oxalaticus | |||
| Ralstonia paucula → Cupriavidus pauculus | |||
| Ralstonia pickettii (Pseudomonas pickettii, Burkholderia pickettii) | 2G | ||
| Ralstonia pseudosolanacearum | 1 | p2 | neu |
| Ralstonia respiraculi → Cupriavidus respiraculi | |||
| Ralstonia solanacearum13 (Pseudomonas solanacearum, Burkholderia solanacearum) | 1 | p2 | |
| Ralstonia syzygii → Ralstonia syzygii subsp. syzygii | Umb. | ||
| Ralstonia syzygii subsp. celebesensis | 1 | p2 | neu |
| Ralstonia syzygii subsp. indonesiensis | 1 | p2 | neu |
| Ralstonia syzygii subsp. syzygii (Ralstonia syzygii) | 1 | p2 | Bem., Umb. |
| Ralstonia taiwanensis → Cupriavidus taiwanensis | |||
| Ramlibacter | |||
| Ramlibacter alkalitolerans | 1 | neu | |
| Ramlibacter ginsenosidimutans | 1 | ||
| Ramlibacter henchirensis | 1 | ||
| Ramlibacter monticola | 1 | neu | |
| Ramlibacter rhizophilus | 1 | neu | |
| Ramlibacter solisilvae | 1 | ||
| Ramlibacter tataouinensis | 1 | ||
| Raoultella | |||
| Raoultella electrica | 1 | ||
| Raoultella ornithinolytica (Klebsiella ornithinolytica) | 2 | ||
| Raoultella planticola (Klebsiella planticola) | 1 | ht+ | |
| Raoultella terrigena (Klebsiella terrigena) | 1 | ht+ | |
| Rapidithrix | |||
| Rapidithrix thailandica | 1 | ||
| Rarimicrobium | |||
| Rarimicrobium hominis | 2 | neu | |
| Rarobacter | |||
| Rarobacter faecitabidus | 1 | ||
| Rarobacter incanus | 1 | ||
| Rathayibacter | |||
| Rathayibacter caricis | 1 | ||
| Rathayibacter festucae | 1 | ||
| Rathayibacter iranicus (Clavibacter iranicum, Corynebacterium iranicum) | 1 | p | |
| Rathayibacter rathayi (Clavibacter rathayi, Corynebacterium rathayi) | 1 | p | |
| Rathayibacter toxicus (Clavibacter toxicus) | 1 | ||
| Rathayibacter tritici (Clavibacter tritici, Corynebacterium tritici) | 1 | p | |
| Ravibacter | |||
| Ravibacter arvi | 1 | neu | |
| Rectinema | |||
| Rectinema cohabitans | 1 | neu | |
| Rehaibacterium | |||
| Rehaibacterium terrae | 1 | ||
| Reichenbachia → Reichenbachiella | |||
| Reichenbachia agariperforans → Reichenbachiella agariperforans | |||
| Reichenbachiella | |||
| Reichenbachiella agariperforans (Reichenbachia agariperforans) | 1 | ||
| Reichenbachiella faecimaris | 1 | ||
| Reinekea | |||
| Reinekea aestuarii | 1 | ||
| Reinekea blandensis | 1 | ||
| Reinekea marina | 1 | neu | |
| Reinekea marinisedimentorum | 1 | ||
| Renibacterium | |||
| Renibacterium salmoninarum | 1 | t2 | |
| Reyranella | |||
| Reyranella aquatilis | 1 | neu | |
| Reyranella graminifolii | 1 | neu | |
| Reyranella massiliensis | 1 | ||
| Reyranella soli | 1 | ||
| Reyranella terrae | 1 | neu | |
| Rhabdanaerobium | |||
| Rhabdanaerobium thermarum | 1 | neu | |
| Rhabdobacter | |||
| Rhabdobacter roseus | 1 | neu | |
| Rhabdochromatium | |||
| Rhabdochromatium marinum | 1 | ||
| Rhabdothermus | |||
| Rhabdothermus arcticus | 1 | ||
| Rheinheimera | |||
| Rheinheimera aestuarii | 1 | neu | |
| Rheinheimera aquatica | 1 | ||
| Rheinheimera aquimaris | 1 | ||
| Rheinheimera arenilitoris | 1 | neu | |
| Rheinheimera baltica | 1 | ||
| Rheinheimera chironomi | 1 | ||
| Rheinheimera gaetbuli | 1 | neu | |
| Rheinheimera hassiensis | 1 | ||
| Rheinheimera japonica | 1 | neu | |
| Rheinheimera longhuensis | 1 | ||
| Rheinheimera marina | 1 | neu | |
| Rheinheimera mesophila | 1 | neu | |
| Rheinheimera muenzenbergensis | 1 | ||
| Rheinheimera nanhaiensis | 1 | ||
| Rheinheimera pacifica | 1 | ||
| Rheinheimera perlucida | 1 | ||
| Rheinheimera soli | 1 | ||
| Rheinheimera tangshanensis | 1 | ||
| Rheinheimera texasensis | 1 | ||
| Rheinheimera tilapiae | 1 | ||
| Rheinheimera tuosuensis | 1 | ||
| Rhizobacter | |||
| Rhizobacter bergeniae | 1 | neu | |
| Rhizobacter dauci | 1 | ||
| Rhizobacter fulvus (Methylibium fulvum) | 1 | ||
| Rhizobacter gummiphilus | 1 | neu | |
| Rhizobacter profundi | 1 | neu | |
| Rhizobium | |||
| Rhizobium acidisoli | 1 | neu | |
| Rhizobium aegyptiacum | 1 | neu | |
| Rhizobium aethiopicum | 1 | neu | |
| Rhizobium aggregatum (Blastobacter aggregatus) | 1 | ||
| Rhizobium alamii | 1 | ||
| Rhizobium alkalisoli → Neorhizobium alkalisoli | Umb. | ||
| Rhizobium altiplani | 1 | neu | |
| Rhizobium alvei | 1 | neu | |
| Rhizobium anhuiense | 1 | neu | |
| Rhizobium arenae | 1 | neu | |
| Rhizobium azibense | 1 | ||
| Rhizobium azooxidifex | 1 | neu | |
| Rhizobium bangladeshense | 1 | neu | |
| Rhizobium binae | 1 | neu | |
| Rhizobium borbori → Allorhizobium borbori | Umb. | ||
| Rhizobium calliandrae | 1 | ||
| Rhizobium capsici | 1 | neu | |
| Rhizobium cauense | 1 | neu | |
| Rhizobium cellulosilyticum | 1 | ||
| Rhizobium ciceri → Mesorhizobium ciceri | |||
| Rhizobium daejeonense | 1 | ||
| Rhizobium ecuadorense | 1 | neu | |
| Rhizobium endolithicum | 1 | ||
| Rhizobium endophyticum | 1 | ||
| Rhizobium esperanzae | 1 | neu | |
| Rhizobium etli (Rhizobium leguminosarum biovar phaseoli Type 1) | 1 | ||
| Rhizobium fabae | 1 | ||
| Rhizobium favelukesii | 1 | neu | |
| Rhizobium flavum | 1 | ||
| Rhizobium fredii → Ensifer fredii | |||
| Rhizobium freirei | 1 | ||
| Rhizobium galegae → Neorhizobium galegae | Umb. | ||
| Rhizobium gallicum | 1 | ||
| Rhizobium gei | 1 | neu | |
| Rhizobium giardinii → Pararhizobium giardinii | Umb. | ||
| Rhizobium grahamii | 1 | ||
| Rhizobium hainanense | 1 | ||
| Rhizobium halophytocola | 1 | ||
| Rhizobium helianthi | 1 | neu | |
| Rhizobium herbae → Pararhizobium herbae | Umb. | ||
| Rhizobium huakuii → Mesorhizobium huakuii | |||
| Rhizobium huautlense → Neorhizobium huautlense | Umb. | ||
| Rhizobium indigoferae | 1 | ||
| Rhizobium ipomoeae | 1 | neu | |
| Rhizobium jaguaris | 1 | ||
| Rhizobium japonicum → Bradyrhizobium japonicum | |||
| Rhizobium laguerreae | 1 | ||
| Rhizobium larrymoorei (Agrobacterium larrymoorei) | 1 | p | |
| Rhizobium leguminosarum | 1 | ||
| Rhizobium leguminosarum biovar phaseoli Type 1 → Rhizobium etli | |||
| Rhizobium lemnae | 1 | neu | |
| Rhizobium lentis | 1 | neu | |
| Rhizobium loessense | 1 | ||
| Rhizobium loti → Mesorhizobium loti | |||
| Rhizobium lupini → Bradyrhizobium lupini | Umb. | ||
| Rhizobium lusitanum | 1 | ||
| Rhizobium marinum | 1 | neu | |
| Rhizobium mayense | 1 | ||
| Rhizobium mediterraneum → Mesorhizobium mediterraneum | |||
| Rhizobium meliloti → Ensifer meliloti | |||
| Rhizobium mesoamericanum | 1 | ||
| Rhizobium mesosinicum | 1 | ||
| Rhizobium metallidurans | 1 | neu | |
| Rhizobium miluonense | 1 | ||
| Rhizobium mongolense | 1 | ||
| Rhizobium multihospitium | 1 | ||
| Rhizobium nepotum → Agrobacterium nepotum | Umb. | ||
| Rhizobium oryzae → Allorhizobium oryzae | Umb. | ||
| Rhizobium oryzicola | 1 | neu | |
| Rhizobium oryziradicis | 1 | neu | |
| Rhizobium pakistanense | 1 | neu | |
| Rhizobium paknamense → Allorhizobium paknamense | Umb. | ||
| Rhizobium paranaense | 1 | neu | |
| Rhizobium petrolearium | 1 | ||
| Rhizobium phaseoli | 1 | ||
| Rhizobium pisi | 1 | ||
| Rhizobium populi | 1 | neu | |
| Rhizobium pseudoryzae → Allorhizobium pseudoryzae | Umb. | ||
| Rhizobium puerariae | 1 | neu | |
| Rhizobium pusense → Agrobacterium pusense | Umb. | ||
| Rhizobium radiobacter (Agrobacterium radiobacter; Agrobacterium tumefaciens) | 1 | +, p | |
| Rhizobium rhizogenes (Agrobacterium rhizogenes) | 1 | p | |
| Rhizobium rhizoryzae | 1 | ||
| Rhizobium rosettiformans | 1 | ||
| Rhizobium rubi (Agrobacterium rubi) | 1 | p | |
| Rhizobium selenitireducens | 1 | ||
| Rhizobium skierniewicense → Agrobacterium skierniewicense | Umb. | ||
| Rhizobium smilacinae | 1 | neu | |
| Rhizobium soli | 1 | ||
| Rhizobium sophorae | 1 | neu | |
| Rhizobium sophoriradicis | 1 | neu | |
| Rhizobium sphaerophysae → Pararhizobium sphaerophysae | Umb. | ||
| Rhizobium straminoryzae | 1 | neu | |
| Rhizobium subbaraonis | 1 | ||
| Rhizobium sullae | 1 | ||
| Rhizobium taibaishanense → Allorhizobium taibaishanense | Umb. | ||
| Rhizobium tarimense | 1 | ||
| Rhizobium tianshanense → Mesorhizobium tianshanense | |||
| Rhizobium tibeticum | 1 | ||
| Rhizobium trifolii – synonym: Rhizobium leguminosarum | |||
| Rhizobium tropici | 1 | ||
| Rhizobium tubonense | 1 | ||
| Rhizobium undicola (Allorhizobium undicola) | 1 | ||
| Rhizobium vallis | 1 | ||
| Rhizobium vignae | 1 | ||
| Rhizobium viscosum (Arthrobacter viscosus) | 1 | Umb. | |
| Rhizobium vitis → Allorhizobium vitis | Umb. | ||
| Rhizobium wenxiniae | 1 | neu | |
| Rhizobium yanglingense | 1 | ||
| Rhizobium yantingense | 1 | neu | |
| Rhizobium zeae | 1 | neu | |
| Rhizocola | |||
| Rhizocola hellebori | 1 | neu | |
| Rhizomicrobium | |||
| Rhizomicrobium electricum | 1 | ||
| Rhizomicrobium palustre | 1 | ||
| Rhizomonas → Sphingomonas | |||
| Rhizomonas suberifaciens → Sphingomonas suberifaciens | |||
| Rhizorhabdus | |||
| Rhizorhabdus argentea | 1 | p | |
| Rhizorhabdus dicambivorans | 1 | neu | |
| Rhizorhapis | |||
| Rhizorhapis suberifaciens (Sphingobium suberifaciens, Sphingomonas suberifaciens, Rhizomonas suberifaciens) | 1 | p | |
| Rhodanobacter | |||
| Rhodanobacter aciditrophus | 1 | neu | |
| Rhodanobacter caeni | 1 | ||
| Rhodanobacter denitrificans | 1 | ||
| Rhodanobacter fulvus | 1 | ||
| Rhodanobacter ginsengisoli | 1 | ||
| Rhodanobacter ginsenosidimutans | 1 | ||
| Rhodanobacter glycinis | 1 | ||
| Rhodanobacter humi | 1 | neu | |
| Rhodanobacter koreensis | 1 | neu | |
| Rhodanobacter lindaniclasticus | 1 | ||
| Rhodanobacter panaciterrae | 1 | ||
| Rhodanobacter rhizosphaerae | 1 | neu | |
| Rhodanobacter soli | 1 | ||
| Rhodanobacter spathiphylli | 1 | ||
| Rhodanobacter terrae | 1 | ||
| Rhodanobacter thiooxydans | 1 | ||
| Rhodanobacter umsongensis | 1 | ||
| Rhodobaca | |||
| Rhodobaca barguzinensis | 1 | ||
| Rhodobaca bogoriensis | 1 | ||
| Rhodobacter | |||
| Rhodobacter adriaticus → Rhodovulum adriaticum | |||
| Rhodobacter aestuarii | 1 | ||
| Rhodobacter azollae | 1 | neu | |
| Rhodobacter azotoformans | 1 | ||
| Rhodobacter blasticus (Rhodopseudomonas blastica) | 1 | ||
| Rhodobacter capsulatus (Rhodopseudomonas capsulata) | 1 | ||
| Rhodobacter changlensis → Catellibacterium changlense | |||
| Rhodobacter euryhalinus → Rhodovulum euryhalinum | |||
| Rhodobacter johrii | 1 | ||
| Rhodobacter lacus | 1 | neu | |
| Rhodobacter maris | 1 | ||
| Rhodobacter massiliensis → Haematobacter massiliensis | |||
| Rhodobacter megalophilus | 1 | ||
| Rhodobacter ovatus | 1 | ||
| Rhodobacter sediminis | 1 | neu | |
| Rhodobacter sphaeroides (Rhodopseudomonas sphaeroides) | 1 | ||
| Rhodobacter sulfidophilus → Rhodovulum sulfidophilum | |||
| Rhodobacter veldkampii | 1 | ||
| Rhodobacter vinaykumarii | 1 | ||
| Rhodobacter viridis | 1 | ||
| Rhodobaculum | |||
| Rhodobaculum claviforme | 1 | neu | |
| Rhodobium | |||
| Rhodobium gokarnense | 1 | ||
| Rhodobium marinum (Rhodopseudomonas marina) → Afifella marina | |||
| Rhodobium orientis | 1 | ||
| Rhodobium pfennigii → Afifella pfennigii | |||
| Rhodoblastus | |||
| Rhodoblastus acidophilus (Rhodopseudomonas acidophila) | 1 | ||
| Rhodoblastus sphagnicola | 1 | ||
| Rhodocista | |||
| Rhodocista centenaria (Rhodospirillum centenum) | 1 | ||
| Rhodocista pekingensis | 1 | ||
| Rhodococcus | |||
| Rhodococcus aerolatus | 1 | neu | |
| Rhodococcus aetherivorans | 1 | ||
| Rhodococcus agglutinans | 1 | neu | |
| Rhodococcus aichiensis → Gordonia aichiensis | |||
| Rhodococcus antrifimi | 1 | neu | |
| Rhodococcus artemisiae | 1 | ||
| Rhodococcus aurantiacus – synonym: Tsukamurella paurometabola | |||
| Rhodococcus baikonurensis | 1 | ||
| Rhodococcus biphenylivorans | 1 | neu | |
| Rhodococcus bronchialis → Gordonia bronchialis | |||
| Rhodococcus canchipurensis | 1 | ||
| Rhodococcus cerastii | 1 | ||
| Rhodococcus cercidiphylli | 1 | ||
| Rhodococcus chlorophenolicus → Mycobacterium chlorophenolicum | |||
| Rhodococcus chubuensis – synonym: Gordonia sputi | |||
| Rhodococcus coprophilus | 1 | ||
| Rhodococcus corallinus – synonym: Gordonia rubripertincta | |||
| Rhodococcus corynebacterioides (Nocardia corynebacterioides) | 1 | ||
| Rhodococcus defluvii | 1 | ||
| Rhodococcus degradans | 1 | neu | |
| Rhodococcus enclensis | 1 | neu | |
| Rhodococcus equi (Corynebacterium equi) → Rhodococcus hoagii | |||
| Rhodococcus erythropolis (Arthrobacter picolinophilus; Nocardia calcarea) | 1 | + | |
| Rhodococcus fascians (Corynebacterium fascians) | 1 | p | |
| Rhodococcus gannanensis | 1 | neu | |
| Rhodococcus globerulus (Nocardia globerula) | 1 | ||
| Rhodococcus gordoniae | 2 | ||
| Rhodococcus hoagii (Corynebacterium hoagii, Rhodococcus equi, Corynebacterium equi) | 2 | ht | |
| Rhodococcus humicola | 1 | neu | |
| Rhodococcus imtechensis | 1 | ||
| Rhodococcus jialingiae – synonym: Rhodococcus qingshengii | |||
| Rhodococcus jostii | 1 | ||
| Rhodococcus koreensis | 1 | ||
| Rhodococcus kroppenstedtii | 1 | ||
| Rhodococcus kunmingensis | 1 | ||
| Rhodococcus kyotonensis | 1 | ||
| Rhodococcus lactis | 1 | neu | |
| Rhodococcus luteus – synonym: Rhodococcus fascians | |||
| Rhodococcus maanshanensis | 1 | ||
| Rhodococcus marinonascens | 1 | ||
| Rhodococcus maris → Dietzia maris | |||
| Rhodococcus nanhaiensis | 1 | ||
| Rhodococcus obuensis – synonym: Gordonia sputi | |||
| Rhodococcus opacus | 1 | ||
| Rhodococcus pedocola | 1 | neu | |
| Rhodococcus percolatus | 1 | ||
| Rhodococcus phenolicus | 1 | ||
| Rhodococcus pyridinivorans | 1 | ||
| Rhodococcus qingshengii | 1 | ||
| Rhodococcus rhodnii | 1 | ||
| Rhodococcus rhodochrous | 1 | + | |
| Rhodococcus roseus → Rhodococcus rhodochrous | |||
| Rhodococcus ruber | 1 | ||
| Rhodococcus rubropertinctus → Gordonia rubripertincta | |||
| Rhodococcus soli | 1 | neu | |
| Rhodococcus sovatensis | 1 | neu | |
| Rhodococcus sputi → Gordonia sputi | |||
| Rhodococcus terrae → Gordonia terrae | |||
| Rhodococcus triatomae | 1 | ||
| Rhodococcus trifolii | 1 | ||
| Rhodococcus tukisamuensis | 1 | ||
| Rhodococcus wratislaviensis (Tsukamurella wratislaviensis) | 1 | ||
| Rhodococcus yunnanensis | 1 | ||
| Rhodococcus zopfii | 1 | ||
| Rhodocyclus | |||
| Rhodocyclus gelatinosus → Rubrivivax gelatinosus | |||
| Rhodocyclus purpureus | 1 | ||
| Rhodocyclus tenuis (Rhodospirillum tenue) | 1 | ||
| Rhodocytophaga | |||
| Rhodocytophaga aerolata | 1 | ||
| Rhodoferax | |||
| Rhodoferax antarcticus | 1 | ||
| Rhodoferax fermentans | 1 | ||
| Rhodoferax ferrireducens = Albidiferax ferrireducens | 1 | ||
| Rhodoferax saidenbachensis | 1 | ||
| Rhodoglobus | |||
| Rhodoglobus aureus (Leifsonia aurea) | 1 | ||
| Rhodoglobus vestalii | 1 | ||
| Rhodohalobacter | |||
| Rhodohalobacter halophilus | 1 | neu | |
| Rhodoligotrophos | |||
| Rhodoligotrophos appendicifer | 1 | ||
| Rhodoligotrophos jinshengii | 1 | neu | |
| Rhodoluna | |||
| Rhodoluna lacicola | 1 | neu | |
| Rhodomicrobium | |||
| Rhodomicrobium udaipurense | 1 | ||
| Rhodomicrobium vannielii | 1 | ||
| Rhodonellum | |||
| Rhodonellum psychrophilum | 1 | ||
| Rhodopila | |||
| Rhodopila globiformis (Rhodopseudomonas globiformis) | 1 | ||
| Rhodopirellula | |||
| Rhodopirellula baltica | 1 | ||
| Rhodopirellula caenicola | 1 | neu | |
| Rhodopirellula lusitana | 1 | neu | |
| Rhodopirellula rosea | 1 | n | neu |
| Rhodopirellula rubra | 1 | neu | |
| Rhodoplanes | |||
| Rhodoplanes azumiensis | 1 | neu | |
| Rhodoplanes elegans | 1 | ||
| Rhodoplanes oryzae | 1 | neu | |
| Rhodoplanes piscinae | 1 | ||
| Rhodoplanes pokkaliisoli | 1 | ||
| Rhodoplanes roseus (Rhodopseudomonas rosea) | 1 | ||
| Rhodoplanes serenus | 1 | ||
| Rhodoplanes tepidamans | 1 | neu | |
| Rhodoplanes tepidicaeni | 1 | neu | |
| Rhodopseudomonas | |||
| Rhodopseudomonas acidophila → Rhodoblastus acidophilus | |||
| Rhodopseudomonas adriatica → Rhodovulum adriaticum | |||
| Rhodopseudomonas blastica → Rhodobacter blasticus | |||
| Rhodopseudomonas capsulata → Rhodobacter capsulatus | |||
| Rhodopseudomonas faecalis | 1 | ||
| Rhodopseudomonas gelatinosa → Rubrivivax gelatinosus | |||
| Rhodopseudomonas globiformis → Rhodopila globiformis | |||
| Rhodopseudomonas harwoodiae | 1 | ||
| Rhodopseudomonas julia | 1 | ||
| Rhodopseudomonas marina → Afifella marina | |||
| Rhodopseudomonas palustris | 1 | ||
| Rhodopseudomonas parapalustris | 1 | ||
| Rhodopseudomonas pentothenatexigens | 1 | ||
| Rhodopseudomonas pseudopalustris | 1 | ||
| Rhodopseudomonas rhenobacensis | 1 | ||
| Rhodopseudomonas rosea → Rhodoplanes roseus | |||
| Rhodopseudomonas rutila – synonym: Rhodopseudomonas palustris | |||
| Rhodopseudomonas sphaeroides → Rhodobacter sphaeroides | |||
| Rhodopseudomonas sulfidophila → Rhodovulum sulfidophilum | |||
| Rhodopseudomonas sulfoviridis → Blastochloris sulfoviridis | |||
| Rhodopseudomonas telluris | 1 | neu | |
| Rhodopseudomonas thermotolerans | 1 | ||
| Rhodopseudomonas viridis → Blastochloris viridis | |||
| Rhodosalinus | |||
| Rhodosalinus sediminis | 1 | neu | |
| Rhodospira | |||
| Rhodospira trueperi | 1 | ||
| Rhodospirillum | |||
| Rhodospirillum centenum → Rhodocista centenaria | |||
| Rhodospirillum fulvum → Phaeospirillum fulvum | |||
| Rhodospirillum molischianum → Phaeospirillum molischianum | |||
| Rhodospirillum oryzae → Pararhodospirillum oryzae | |||
| Rhodospirillum photometricum → Pararhodospirillum photometricum | |||
| Rhodospirillum rubrum | 1 | ||
| Rhodospirillum salexigens → Rhodothalassium salexigens | |||
| Rhodospirillum salinarum → Rhodovibrio salinarum | |||
| Rhodospirillum sodomense → Rhodovibrio sodomensis | |||
| Rhodospirillum sulfurexigens → Pararhodospirillum sulfurexigens | |||
| Rhodospirillum tenue → Rhodocyclus tenuis | |||
| Rhodothalassium | |||
| Rhodothalassium salexigens (Rhodospirillum salexigens) | 1 | ||
| Rhodothermus | |||
| Rhodothermus marinus | 1 | ||
| Rhodothermus obamensis – synonym: Rhodothermus marinus | |||
| Rhodothermus profundi | 1 | ||
| Rhodovarius | |||
| Rhodovarius lipocyclicus | 1 | ||
| Rhodovibrio | |||
| Rhodovibrio salinarum (Rhodospirillum salinarum) | 1 | ||
| Rhodovibrio sodomensis (Rhodospirillum sodomense) | 1 | ||
| Rhodovulum | |||
| Rhodovulum adriaticum (Rhodopseudomonas adriatica, Rhodobacter adriaticus) | 1 | ||
| Rhodovulum aestuarii | 1 | neu | |
| Rhodovulum algae | 1 | neu | |
| Rhodovulum bhavnagarense | 1 | ||
| Rhodovulum euryhalinum (Rhodobacter euryhalinus) | 1 | ||
| Rhodovulum imhoffii | 1 | ||
| Rhodovulum iodosum | 1 | ||
| Rhodovulum kholense | 1 | ||
| Rhodovulum lacipunicei | 1 | ||
| Rhodovulum mangrovi | 1 | neu | |
| Rhodovulum marinum | 1 | ||
| Rhodovulum phaeolacus | 1 | ||
| Rhodovulum robiginosum | 1 | ||
| Rhodovulum salis | 1 | ||
| Rhodovulum steppense | 1 | ||
| Rhodovulum strictum | 1 | ||
| Rhodovulum sulfidophilum (Rhodopseudomonas sulfidophila, Rhodobacter sulfidophilus) | 1 | ||
| Rhodovulum tesquicola | 1 | ||
| Rhodovulum viride | 1 | ||
| Rhodovulum visakhapatnamense | 1 | ||
| Rickettsia | |||
| Rickettsia aeschlimannii | 2 | Z | |
| Rickettsia africae | 3 | Z | |
| Rickettsia akari | 3(**) | Z | |
| Rickettsia amblyommatis | 2 | Z | neu |
| Rickettsia asiatica | 1 | t+ | neu |
| Rickettsia australis | 3 | Z | |
| Rickettsia bellii | 2G | t | |
| Rickettsia buchneri | 1 | neu | |
| Rickettsia canadensis14 | 2 | Z | Einst., Bem. |
| Rickettsia conorii | 3 | Z | |
| Rickettsia felis | 2 | Z | |
| Rickettsia gravesii | 2 | Z | neu |
| Rickettsia heilongjiangensis | 3(**) | Z | |
| Rickettsia helvetica | 2 | Z | |
| Rickettsia honei | 2 | Z | |
| Rickettsia hoogstraalii | 2 | Z | neu |
| Rickettsia japonica | 3 | Z | |
| Rickettsia massiliae | 2 | Z | Einst. |
| Rickettsia montanensis14 | 2 | Z | Einst., Bem. |
| Rickettsia parkeri | 2 | Z | |
| Rickettsia peacockii | 1 | ||
| Rickettsia prowazekii | 3 | Z | |
| Rickettsia raoultii | 2 | Z | |
| Rickettsia rhipicephali | 2 | t | |
| Rickettsia rickettsii | 3 | Z | |
| Rickettsia sennetsu → Neorickettsia sennetsu | |||
| Rickettsia sibirica | 3 | Z | |
| Rickettsia slovaca | 2 | Z | |
| Rickettsia tamurae | 1 | + | |
| Rickettsia tsutsugamushi → Orientia tsutsugamushi | |||
| Rickettsia typhi | 3 | Z | |
| Rickettsiella | |||
| Rickettsiella chironomi | 1 | n | |
| Rickettsiella grylli | 1 | n | |
| Rickettsiella popilliae | 1 | n | |
| Rickettsiella stethorae | 1 | n | |
| Riemerella | |||
| Riemerella anatipestifer (Moraxella anatipestifer) | 2 | t | |
| Riemerella columbina | 2 | t | |
| Riemerella columbipharyngis | 1 | neu | |
| Rikenella | |||
| Rikenella microfusus (Bacteroides microfusus) | 1 | ||
| Risungbinella | |||
| Risungbinella massiliensis | 1 | neu | |
| Risungbinella pyongyangensis | 1 | neu | |
| Rivibacter | |||
| Rivibacter subsaxonicus (Methylibium subsaxonicum) | 1 | ||
| Rivicola | |||
| Rivicola pingtungensis | 1 | ||
| Robbsia | |||
| Robbsia andropogonis (Paraburkholderia andropogonis, Burkholderia andropogonis, Pseudomonas andropogonis) | 1 | p | Umb. |
| Robertkochia | |||
| Robertkochia marina | 1 | ||
| Robiginitalea | |||
| Robiginitalea biformata | 1 | ||
| Robiginitalea myxolifaciens | 1 | ||
| Robiginitomaculum | |||
| Robiginitomaculum antarcticum | 1 | ||
| Robinsoniella | |||
| Robinsoniella peoriensis | 1 | + | |
| Rochalimaea → Bartonella | |||
| Rochalimaea elizabethae → Bartonella elizabethae | |||
| Rochalimaea henselae → Bartonella henselae | |||
| Rochalimaea quintana → Bartonella quintana | |||
| Rochalimaea vinsonii → Bartonella vinsonii subsp. vinsonii | |||
| Rodentibacter | |||
| Rodentibacter heidelbergensis | 1 | t+ | neu |
| Rodentibacter heylii | 2 | Z | neu |
| Rodentibacter mrazii | 1 | t+ | neu |
| Rodentibacter myodis | 1 | t+ | neu |
| Rodentibacter pneumotropicus (Pasteurella pneumotropica) | 2 | Z | Umb. |
| Rodentibacter rarus | 1 | t+ | neu |
| Rodentibacter ratti | 1 | t+ | neu |
| Rodentibacter trehalosifermentans | 1 | t+ | neu |
| Romboutsia | |||
| Romboutsia ilealis | 1 | ||
| Romboutsia lituseburensis (Clostridium lituseburense) | 1 | ||
| Romboutsia sedimentorum | 1 | neu | |
| Roseateles | |||
| Roseateles aquatilis | 1 | ||
| Roseateles depolymerans | 1 | ||
| Roseateles terrae | 1 | ||
| Roseburia | |||
| Roseburia cecicola | 1 | ||
| Roseburia faecis | 1 | ||
| Roseburia hominis | 1 | ||
| Roseburia intestinalis | 1 | ||
| Roseburia inulinivorans | 1 | ||
| Roseiarcus | |||
| Roseiarcus fermentans | 1 | neu | |
| Roseibaca | |||
| Roseibaca ekhonensis | 1 | ||
| Roseibacillus | |||
| Roseibacillus ishigakijimensis | 1 | ||
| Roseibacillus persicicus | 1 | ||
| Roseibacillus ponti | 1 | ||
| Roseibacterium | |||
| Roseibacterium elongatum | 1 | ||
| Roseibium | |||
| Roseibium aquae | 1 | neu | |
| Roseibium denhamense | 1 | ||
| Roseibium hamelinense | 1 | ||
| Roseibium sediminis | 1 | neu | |
| Roseicitreum | |||
| Roseicitreum antarcticum | 1 | ||
| Roseicyclus | |||
| Roseicyclus mahoneyensis | 1 | ||
| Roseiflexus | |||
| Roseiflexus castenholzii | 1 | ||
| Roseimarinus | |||
| Roseimarinus sediminis | 1 | neu | |
| Roseimaritima | |||
| Roseimaritima ulvae | 1 | neu | |
| Roseimicrobium | |||
| Roseimicrobium gellanilyticum | 1 | ||
| Roseinatronobacter | |||
| Roseinatronobacter monicus | 1 | ||
| Roseinatronobacter thiooxidans | 1 | ||
| Roseisalinus | |||
| Roseisalinus antarcticus | 1 | ||
| Roseitalea | |||
| Roseitalea porphyridii | 1 | neu | |
| Roseivirga | |||
| Roseivirga echinicomitans | 1 | ||
| Roseivirga ehrenbergii | 1 | ||
| Roseivirga marina | 1 | neu | |
| Roseivirga maritima | 1 | neu | |
| Roseivirga seohaensis (Marinicola seohaensis) – synonym: Roseivirga ehrenbergii | |||
| Roseivirga seohaensis (Marinicola seohaensis) → Roseivirga seohaensis subsp. seohaensis | Umb. | ||
| Roseivirga seohaensis subsp. aquiponti | 1 | neu | |
| Roseivirga seohaensis subsp. seohaensis (Roseovirga seohaensis, Marinicola seohaensis) | 1 | Umb. | |
| Roseivirga spongicola | 1 | ||
| Roseivivax | |||
| Roseivivax atlanticus | 1 | neu | |
| Roseivivax halodurans | 1 | ||
| Roseivivax halotolerans | 1 | ||
| Roseivivax isoporae | 1 | ||
| Roseivivax jejudonensis | 1 | neu | |
| Roseivivax lentus | 1 | ||
| Roseivivax marinus | 1 | neu | |
| Roseivivax pacificus | 1 | ||
| Roseivivax roseus | 1 | ||
| Roseivivax sediminis | 1 | ||
| Rosenbergiella | |||
| Rosenbergiella australiborealis | 1 | neu | |
| Rosenbergiella collisarenosi | 1 | neu | |
| Rosenbergiella epipactidis | 1 | neu | |
| Rosenbergiella nectarea | 1 | ||
| Roseobacter | |||
| Roseobacter algicola → Marinovum algicola | |||
| Roseobacter denitrificans | 1 | ||
| Roseobacter gallaeciensis → Phaeobacter gallaeciensis | |||
| Roseobacter litoralis | 1 | ||
| Roseobacter ponti | 1 | neu | |
| Roseococcus | |||
| Roseococcus suduntuyensis | 1 | ||
| Roseococcus thiosulfatophilus | 1 | ||
| Roseomonas | |||
| Roseomonas aerilata | 1 | ||
| Roseomonas aerofrigidensis | 1 | neu | |
| Roseomonas aerophila | 1 | ||
| Roseomonas aestuarii | 1 | ||
| Roseomonas alkaliterrae | 1 | neu | |
| Roseomonas aquatica | 1 | ||
| Roseomonas arctica | 1 | neu | |
| Roseomonas arcticisoli | 1 | neu | |
| Roseomonas cervicalis | 2 | ||
| Roseomonas eburnea | 1 | neu | |
| Roseomonas elaeocarpi | 1 | neu | |
| Roseomonas fauriae15 | 2 | ||
| Roseomonas frigidaquae | 1 | ||
| Roseomonas gilardii subsp. gilardii | 2 | ||
| Roseomonas gilardii subsp. rosea | 2 | ||
| Roseomonas hibiscisoli | 1 | neu | |
| Roseomonas lacus | 1 | ||
| Roseomonas ludipueritiae (Teichococcus ludipueritiae) | 1 | ||
| Roseomonas mucosa | 2 | ||
| Roseomonas musae | 1 | neu | |
| Roseomonas nepalensis | 1 | neu | |
| Roseomonas oryzae | 1 | neu | |
| Roseomonas oryzicola | 1 | neu | |
| Roseomonas pecuniae | 1 | ||
| Roseomonas rhizosphaerae | 1 | ||
| Roseomonas riguiloci | 1 | ||
| Roseomonas rosea (Muricoccus roseus) | 1 | ||
| Roseomonas rubra | 1 | neu | |
| Roseomonas soli | 1 | ||
| Roseomonas stagni | 1 | ||
| Roseomonas suffusca | 1 | neu | |
| Roseomonas terrae | 1 | ||
| Roseomonas terricola | 1 | neu | |
| Roseomonas tokyonensis | 1 | ||
| Roseomonas vinacea | 1 | ||
| Roseomonas wooponensis | 1 | neu | |
| Roseospira | |||
| Roseospira goensis | 1 | ||
| Roseospira marina | 1 | ||
| Roseospira mediosalina ("Rhodospirillum mediosalinum") | 1 | ||
| Roseospira navarrensis | 1 | ||
| Roseospira thiosulfatophila | 1 | ||
| Roseospira visakhapatnamensis | 1 | ||
| Roseospirillum | |||
| Roseospirillum parvum | 1 | ||
| Roseovarius | |||
| Roseovarius aestuarii | 1 | ||
| Roseovarius aestuariivivens | 1 | neu | |
| Roseovarius albus | 1 | neu | |
| Roseovarius antarcticus | 1 | neu | |
| Roseovarius aquimarinus | 1 | neu | |
| Roseovarius atlanticus | 1 | neu | |
| Roseovarius azorensis | 1 | neu | |
| Roseovarius confluentis | 1 | neu | |
| Roseovarius crassostreae → Aliiroseovarius crassostreae | Umb. | ||
| Roseovarius gaetbuli | 1 | neu | |
| Roseovarius halocynthiae → Aliiroseovarius halocynthiae | Umb. | ||
| Roseovarius halotolerans | 1 | ||
| Roseovarius indicus | 1 | ||
| Roseovarius litoreus | 1 | ||
| Roseovarius lutimaris | 1 | ||
| Roseovarius marinus → Pacificibacter marinus | Umb. | ||
| Roseovarius marisflavi | 1 | ||
| Roseovarius mucosus | 1 | ||
| Roseovarius nanhaiticus | 1 | ||
| Roseovarius nubinhibens | 1 | ||
| Roseovarius pacificus | 1 | ||
| Roseovarius scapharcae | 1 | neu | |
| Roseovarius sediminilitoris → Aliiroseovarius sediminilitoris | Umb. | ||
| Roseovarius tolerans | 1 | ||
| Rothia | |||
| Rothia aeria | 1 | + | |
| Rothia aerolata | 1 | neu | |
| Rothia amarae | 1 | ||
| Rothia dentocariosa | 2 | ||
| Rothia endophytica | 1 | ||
| Rothia mucilaginosa (Stomatococcus mucilaginosus) | 2 | ||
| Rothia nasimurium | 1 | ||
| Rothia terrae | 1 | ||
| Rouxiella | |||
| Rouxiella badensis | 1 | neu | |
| Rouxiella chamberiensis | 1 | neu | |
| Rouxiella silvae | 1 | neu | |
| Ruania | |||
| Ruania albidiflava | 1 | ||
| Rubellimicrobium | |||
| Rubellimicrobium aerolatum | 1 | ||
| Rubellimicrobium mesophilum | 1 | ||
| Rubellimicrobium roseum | 1 | ||
| Rubellimicrobium thermophilum | 1 | ||
| Rubinisphaera | |||
| Rubinisphaera brasiliensis (Planctomyces brasiliensis) | 1 | Umb. | |
| Rubribacterium | |||
| Rubribacterium polymorphum | 1 | ||
| Rubricella | |||
| Rubricella aquisinus | 1 | neu | |
| Rubricoccus | |||
| Rubricoccus marinus | 1 | ||
| Rubrimonas | |||
| Rubrimonas cliftonensis | 1 | ||
| Rubripirellula | |||
| Rubripirellula obstinata | 1 | neu | |
| Rubritalea | |||
| Rubritalea halochordaticola | 1 | ||
| Rubritalea marina | 1 | ||
| Rubritalea sabuli | 1 | ||
| Rubritalea spongiae | 1 | ||
| Rubritalea squalenifaciens | 1 | ||
| Rubritalea tangerina | 1 | ||
| Rubritepida | |||
| Rubritepida flocculans | 1 | ||
| Rubrivirga | |||
| Rubrivirga marina | 1 | ||
| Rubrivirga profundi | 1 | neu | |
| Rubrivivax | |||
| Rubrivivax benzoatilyticus | 1 | ||
| Rubrivivax gelatinosus (Rhodopseudomonas gelatinosa, Rhodocyclus gelatinosus) | 1 | ||
| Rubrobacter | |||
| Rubrobacter aplysinae | 1 | ||
| Rubrobacter bracarensis | 1 | ||
| Rubrobacter calidifluminis | 1 | neu | |
| Rubrobacter naiadicus | 1 | neu | |
| Rubrobacter radiotolerans (Arthrobacter radiotolerans) | 1 | ||
| Rubrobacter spartanus | 1 | neu | |
| Rubrobacter taiwanensis | 1 | ||
| Rubrobacter xylanophilus | 1 | ||
| Rudaea | |||
| Rudaea cellulosilytica | 1 | ||
| Rudaeicoccus | |||
| Rudaeicoccus suwonensis | 1 | ||
| Rudaibacter | |||
| Rudaibacter terrae | 1 | ||
| Rudanella | |||
| Rudanella lutea | 1 | ||
| Ruegeria | |||
| Ruegeria algicola → Marinovum algicola | |||
| Ruegeria arenilitoris | 1 | ||
| Ruegeria atlantica (Agrobacterium atlanticum) | 1 | ||
| Ruegeria conchae | 1 | ||
| Ruegeria faecimaris | 1 | ||
| Ruegeria gelatinovorans (Agrobacterium gelatinovorum) → Thalassobius gelatinovorus | |||
| Ruegeria halocynthiae | 1 | ||
| Ruegeria intermedia | 1 | ||
| Ruegeria lacuscaerulensis (Silicibacter lacuscaerulensis) | 1 | ||
| Ruegeria marina | 1 | ||
| Ruegeria marisrubri | 1 | neu | |
| Ruegeria meonggei | 1 | neu | |
| Ruegeria mobilis | 1 | ||
| Ruegeria pelagia – synonym: Ruegeria mobilis | |||
| Ruegeria pomeroyi (Silicibacter pomeroyi) | 1 | ||
| Ruegeria profundi | 1 | neu | |
| Ruegeria scottomollicae | 1 | ||
| Rufibacter | |||
| Rufibacter glacialis | 1 | neu | |
| Rufibacter immobilis | 1 | neu | |
| Rufibacter quisquiliarum | 1 | neu | |
| Rufibacter roseus | 1 | neu | |
| Rufibacter ruber | 1 | neu | |
| Rufibacter tibetensis | 1 | ||
| Ruficoccus | |||
| Ruficoccus amylovorans | 1 | neu | |
| Rugamonas | |||
| Rugamonas rubra | 1 | ||
| Rugosibacter | |||
| Rugosibacter aromaticivorans | 1 | neu | |
| Rugosimonospora | |||
| Rugosimonospora acidiphila | 1 | ||
| Rugosimonospora africana | 1 | ||
| Ruminobacter | |||
| Ruminobacter amylophilus (Bacteroides amylophilus) | 1 | ||
| Ruminococcus | |||
| Ruminococcus albus | 1 | ||
| Ruminococcus bromii | 1 | ||
| Ruminococcus callidus | 1 | ||
| Ruminococcus champanellensis | 1 | ||
| Ruminococcus faecis | 1 | ||
| Ruminococcus flavefaciens | 1 | ||
| Ruminococcus gauvreauii | 1 | ||
| Ruminococcus gnavus | 1 | ||
| Ruminococcus hansenii (Streptococcus hansenii) → Blautia hansenii | |||
| Ruminococcus hydrogenotrophicus → Blautia hydrogenotrophica | |||
| Ruminococcus lactaris | 1 | ||
| Ruminococcus luti → Blautia luti | |||
| Ruminococcus obeum → Blautia obeum | Umb. | ||
| Ruminococcus palustris → Trichococcus palustris | |||
| Ruminococcus pasteurii → Lactosphaera pasteurii | |||
| Ruminococcus productus (Peptostreptococcus productus) → Blautia producta | |||
| Ruminococcus schinkii → Blautia schinkii | |||
| Ruminococcus torques | 1 | ||
| Rummeliibacillus | |||
| Rummeliibacillus pycnus (Bacillus pycnus) | 1 | ||
| Rummeliibacillus stabekisii | 1 | ||
| Rummeliibacillus suwonensis | 1 | ||
| Runella | |||
| Runella defluvii | 1 | ||
| Runella limosa | 1 | ||
| Runella palustris | 1 | neu | |
| Runella slithyformis | 1 | ||
| Runella zeae | 1 | ||
| Ruthenibacterium | |||
| Ruthenibacterium lactatiformans | 1 | neu |