| Rahnella aceris | NBRC 114407T |
| Rahnella aquatilis | NBRC 105701T |
| Rahnella contaminans | NBRC 114406T |
| Rahnella laticis | NBRC 114723T, NBRC 114724, NBRC 114882 |
| Rahnella sp. | NBRC 115564 |
| Rahnella victoriana | NBRC 114881 |
| Ralstonia pickettii | NBRC 102503T, NBRC 111592 |
| Ramalina conduplicans | NBRC 113405 |
| Ramaria botrytis | NBRC 8337 |
| Ramaria flaccida | NBRC 7714 |
| Ramicandelaber brevisporus | NBRC 100469T |
| Ramicandelaber cf. longisporus | NBRC 102541, NBRC 102545 |
| Ramicandelaber longisporus | NBRC 33179T |
| Ramicandelaber sp. | NBRC 102543 |
| Ramichloridium cerophilum | NBRC 33249 |
| Ramichloridium schulzeri | NBRC 32390, NBRC 102321 |
| Ramichloridium schulzeri var. tritici | NBRC 32640 |
| Ramiconidium sp. | NBRC 31243 |
| Ramlibacter sp. | NBRC 114488, NBRC 114489, NBRC 114839, NBRC 114862 |
| Ramularia primulae | NBRC 9423 |
| Ramularia rubella | NBRC 102210, NBRC 102237 |
| Ramularia sp. | NBRC 102215 |
| Ramulispora sorghi | NBRC 7414 |
| Raoultella electrica | NBRC 109676T |
| Raoultella ornithinolytica | NBRC 105727T |
| Raoultella planticola | NBRC 3317, NBRC 14939T |
| Raoultella sp. | NBRC 113967 |
| Raoultella terrigena | NBRC 14941T |
| Rarobacter faecitabidus | NBRC 14760T, NBRC 15233 |
| Rarobacter incanus | NBRC 101357T |
| Rasamsonia argillacea | NBRC 31128T |
| Rasamsonia cylindrospora | NBRC 31072 |
| Reichenbachiella agariperforans | NBRC 16625T |
| Reinekea aestuarii | NBRC 106079T |
| Reinekea sp. | NBRC 105631 |
| Reinekea thalattae | NBRC 113795T |
| Remispora hamata | NBRC 8621 |
| Remispora maritima | NBRC 8622 |
| Remispora sp. | NBRC 105290, NBRC 105293 |
| Renibacterium salmoninarum | NBRC 15589T |
| Reniforma strues | NBRC 112344T |
| Resinicium bicolor | NBRC 110186 |
| Reyranella graminifolii | NBRC 109813T |
| Reyranella soli | NBRC 108950T |
| Reyranella terrae | NBRC 111476T |
| Rheinheimera longhuensis | NBRC 105632T |
| Rheinheimera metallidurans | NBRC 115780T |
| Rheinheimera pacifica | NBRC 103167T |
| Rheinheimera sp. | NBRC 116227 |
| Rhinocladiella atrovirens | NBRC 9237, NBRC 32362, NBRC 110187 |
| Rhinocladiella ellisii | NBRC 101151 |
| Rhinocladiella sp. | NBRC 110939 |
| Rhinotrichella globulifera | NBRC 9418 |
| Rhinotrichum lanosum | NBRC 6534 |
| Rhizidium sp. | NBRC 103827 |
| Rhizobacter gummiphilus | NBRC 109400T |
| Rhizobacter profundi | NBRC 111169T, NBRC 111170, NBRC 111171 |
| Rhizobium albus | NBRC 110149T |
| Rhizobium daejeonense | NBRC 102494, NBRC 102495T |
| Rhizobium dioscoreae | NBRC 114257T |
| Rhizobium etli | NBRC 15573T |
| Rhizobium gallicum | NBRC 107134T |
| Rhizobium giardinii | NBRC 107135T |
| Rhizobium hainanense | NBRC 107132T |
| Rhizobium indigoferae | NBRC 100398T |
| Rhizobium leguminosarum | NBRC 13337, NBRC 13338, NBRC 14778T, NBRC 14784, NBRC 14995 |
| Rhizobium lemnae | NBRC 109339T |
| Rhizobium lupini | NBRC 100381T |
| Rhizobium mongolense | NBRC 107133T |
| Rhizobium naphthalenivorans | NBRC 107585T, NBRC 107586 |
| Rhizobium paknamense | NBRC 109338T |
| Rhizobium phaseoli | NBRC 14168, NBRC 14785T, NBRC 14994 |
| Rhizobium puerariae | NBRC 110722T |
| Rhizobium radiobacter | NBRC 12664, NBRC 12665, NBRC 12667, NBRC 13258, NBRC 13259, NBRC 13263, NBRC 13264, NBRC 13265, NBRC 13533, NBRC 14555, NBRC 15188, NBRC 15189, NBRC 15190, NBRC 15191, NBRC 15192, NBRC 15193, NBRC 15194, NBRC 15195, NBRC 15292, NBRC 15293, NBRC 15294, NBRC 15295, NBRC 15296, NBRC 15297, NBRC 101063, NBRC 102589 |
| Rhizobium rhizogenes | NBRC 13257T, NBRC 14793, NBRC 15196, NBRC 15197, NBRC 15198, NBRC 15199, NBRC 15200, NBRC 15201, NBRC 15202 |
| Rhizobium rubi | NBRC 13260, NBRC 13261T |
| Rhizobium setariae | NBRC 114644T |
| Rhizobium sp. | NBRC 13714, NBRC 14547, NBRC 101870, NBRC 101871, NBRC 104344, NBRC 104345, NBRC 104346, NBRC 104347, NBRC 104348, NBRC 104349, NBRC 104350, NBRC 106742, NBRC 106743, NBRC 108633, NBRC 108899, NBRC 111945, NBRC 112081, NBRC 115229 |
| Rhizobium terricola | NBRC 112711T |
| Rhizobium tropici | NBRC 15247T |
| Rhizobium viscosum | NBRC 103061T |
| Rhizobium vitis | NBRC 15140T, NBRC 15141, NBRC 15142, NBRC 15143, NBRC 15144, NBRC 15145 |
| Rhizochromulina sp. (class: Dictyochophyceae) | NBRC 103298 |
| Rhizoclosmatium cf. globosum | NBRC 102553 |
| Rhizocola hellebori | NBRC 109834T |
| Rhizoctonia candida | NBRC 7032, NBRC 7033 |
| Rhizoctonia oryzae | NBRC 32363 |
| Rhizoctonia repens | NBRC 114897 |
| Rhizoctonia sp. | NBRC 111668, NBRC 116903, NBRC 116904, NBRC 116905, NBRC 116906, NBRC 116907, NBRC 116908, NBRC 116909, NBRC 116910, NBRC 116911, NBRC 116912, NBRC 116913 |
| Rhizodermea veluwensis | NBRC 111722 |
| Rhizohabitans arisaemae | NBRC 114594T |
| Rhizomucor pusillus | NBRC 4578, NBRC 4579, NBRC 4580, NBRC 9740, NBRC 9741, NBRC 9742, NBRC 9743, NBRC 9744, NBRC 9745, NBRC 9856 |
| Rhizophila marina | NBRC 101466, NBRC 101467, NBRC 101468 |
| Rhizophlyctis cf. rosea | NBRC 103831 |
| Rhizophlyctis rosea | NBRC 105426 |
| Rhizophydium cf. brooksianum | NBRC 103829 |
| Rhizophydium sp. | NBRC 103825, NBRC 103826, NBRC 103828, NBRC 105437 |
| Rhizopogon luteolus | NBRC 100327 |
| Rhizopogon rubescens | NBRC 32804, NBRC 32812, NBRC 32813, NBRC 33151, NBRC 33152, NBRC 33153, NBRC 101639 |
| Rhizopogon togasawariana | NBRC 113764 |
| Rhizopogon yakushimensis | NBRC 113761, NBRC 113762, NBRC 113763 |
| Rhizopus azygosporus | NBRC 31989T |
| Rhizopus delemar | NBRC 4697, NBRC 4698, NBRC 4726, NBRC 4730, NBRC 4732, NBRC 4734, NBRC 4735, NBRC 4736, NBRC 4746, NBRC 4747, NBRC 4749, NBRC 4754, NBRC 4756, NBRC 4757, NBRC 4759, NBRC 4770, NBRC 4771, NBRC 4773, NBRC 4775, NBRC 4776, NBRC 4801, NBRC 4810, NBRC 5406, NBRC 5441, NBRC 5442, NBRC 109447 |
| Rhizopus microsporus var. chinensis | NBRC 4737, NBRC 4768, NBRC 30499, NBRC 31988 |
| Rhizopus microsporus var. microsporus | NBRC 32995, NBRC 32996 |
| Rhizopus microsporus var. oligosporus | NBRC 8631, NBRC 31987, NBRC 32002, NBRC 32003 |
| Rhizopus microsporus var. rhizopodiformis | NBRC 32997 |
| Rhizopus microsporus var. tuberosus | NBRC 100014T |
| Rhizopus oryzae | NBRC 4705, NBRC 4706, NBRC 4707, NBRC 4716, NBRC 4744, NBRC 4758, NBRC 4766, NBRC 4772, NBRC 4780, NBRC 4783, NBRC 4785, NBRC 4798, NBRC 4804, NBRC 4809, NBRC 5318, NBRC 5319, NBRC 5378, NBRC 5379, NBRC 5380, NBRC 5384, NBRC 5413, NBRC 5414, NBRC 5418, NBRC 5438, NBRC 5440, NBRC 5780, NBRC 6155, NBRC 9364, NBRC 30795, NBRC 31005 |
| Rhizopus sp. | NBRC 117295, NBRC 117297 |
| Rhizopus stolonifer | NBRC 112077, NBRC 115042 |
| Rhizopus stolonifer var. lyococcus | NBRC 32998 |
| Rhizopus stolonifer var. stolonifer | NBRC 4781, NBRC 5411, NBRC 5781, NBRC 6154, NBRC 6188, NBRC 6300, NBRC 30816 |
| Rhizorhapis suberifaciens | NBRC 15211T |
| Rhizosaccharibacter radicis | NBRC 114898T |
| Rhizoscyphus ericae | NBRC 111719 |
| Rhizosphaericola mali | NBRC 114178T |
| Rhodanobacter fulvus | NBRC 103168T |
| Rhodanobacter ginsengisoli | NBRC 106405T |
| Rhodanobacter ginsenosidimutans | NBRC 106411T |
| Rhodanobacter glycinis | NBRC 105007T |
| Rhodanobacter humi | NBRC 112473T |
| Rhodanobacter hydrolyticus | NBRC 112685T |
| Rhodanobacter rhizosphaerae | NBRC 111845T |
| Rhodanobacter terrae | NBRC 106404T |
| Rhodella maculata (class: Rhodellophyceae) | NBRC 102933 |
| Rhodella sp. (class: Rhodellophyceae) | NBRC 102763, NBRC 102771, NBRC 102830, NBRC 102934, NBRC 102935, NBRC 102936, NBRC 102940, NBRC 102969 |
| Rhodella violacea (class: Rhodellophyceae) | NBRC 102932 |
| Rhodobacter capsulatus | NBRC 16435T, NBRC 16581 |
| Rhodobacter sp. | NBRC 113843 |
| Rhodobacter sphaeroides | NBRC 12203T, NBRC 100037, NBRC 100038 |
| Rhodobacter viridis | NBRC 108864T |
| Rhodobacteraceae bacterium | NBRC 111957, NBRC 111958, NBRC 111960, NBRC 111964, NBRC 112015, NBRC 112984, NBRC 112985, NBRC 112987 |
| Rhodocista centenaria | NBRC 16667T |
| Rhodocista sp. | NBRC 103410 |
| Rhodococcoides corynebacterioides | NBRC 14404T |
| Rhodococcoides fascians | NBRC 12155T |
| Rhodococcoides kroppenstedtii | NBRC 103113T |
| Rhodococcoides yunnanense | NBRC 103083T |
| Rhodococcus aetherivorans | NBRC 106353 |
| Rhodococcus baikonurensis | NBRC 100611T, NBRC 107577 |
| Rhodococcus coprophilus | NBRC 100603T |
| Rhodococcus erythropolis | NBRC 12320, NBRC 12322, NBRC 12324, NBRC 12385, NBRC 12386, NBRC 12387, NBRC 12436, NBRC 12437, NBRC 12438, NBRC 12538, NBRC 12539, NBRC 12540, NBRC 12650, NBRC 12682, NBRC 13135, NBRC 13148, NBRC 13164, NBRC 13179, NBRC 13269, NBRC 13914, NBRC 15567T, NBRC 16296, NBRC 100887, NBRC 110906, NBRC 114673 |
| Rhodococcus globerulus | NBRC 14531T |
| Rhodococcus humicola | NBRC 111581T |
| Rhodococcus jostii | NBRC 16295T, NBRC 108803 |
| Rhodococcus koreensis | NBRC 100607T |
| Rhodococcus maanshanensis | NBRC 100610T |
| Rhodococcus marinonascens | NBRC 14363T |
| Rhodococcus opacus | NBRC 108011 |
| Rhodococcus pedocola | NBRC 111580T |
| Rhodococcus percolatus | NBRC 100626T |
| Rhodococcus pyridinivorans | NBRC 100608T |
| Rhodococcus rhodnii | NBRC 100604T |
| Rhodococcus rhodochrous | NBRC 3338, NBRC 14894, NBRC 15564, NBRC 16069T |
| Rhodococcus ruber | NBRC 13171, NBRC 15591T |
| Rhodococcus sp. | NBRC 12116, NBRC 12187, NBRC 12926, NBRC 13161, NBRC 13163, NBRC 13499, NBRC 14426, NBRC 101291, NBRC 105241, NBRC 105354, NBRC 107729, NBRC 107730, NBRC 107731, NBRC 108552, NBRC 108554, NBRC 108555, NBRC 108764, NBRC 109378, NBRC 109728, NBRC 114692, NBRC 114758 |
| Rhodococcus triatomae | NBRC 103116T |
| Rhodococcus tukisamuensis | NBRC 100609T |
| Rhodococcus wratislaviensis | NBRC 100605T |
| Rhodococcus zopfii | NBRC 100606T |
| Rhodocollybia butyracea | NBRC 30747 |
| Rhodocyclales sp. | NBRC 114223 |
| Rhodoferax fermentans | NBRC 16659T |
| Rhodoferax lacus | NBRC 112709T |
| Rhodoferax mekongensis | NBRC 116415T, NBRC 116416 |
| Rhodoferax potami | NBRC 116413T, NBRC 116414 |
| Rhodoglobus aureus | NBRC 104579T |
| Rhodoglobus vestalii | NBRC 103084T |
| Rhodomicrobium lacus | NBRC 113803T |
| Rhodomicrobium udaipurense | NBRC 109057T |
| Rhodomicrobium vannielii | NBRC 100050 |
| Rhodomonas sp. (class: Cryptophyceae) | NBRC 102758 |
| Rhodophyllus hirtipes | NBRC 7634 |
| Rhodophyllus sericellus | NBRC 100093 |
| Rhodopirellula caenicola | NBRC 110016T |
| Rhodoplanes azumiensis | NBRC 112816T |
| Rhodoplanes cryptolactis | NBRC 102048 |
| Rhodoplanes elegans | NBRC 16660T |
| Rhodoplanes oryzae | NBRC 109406T |
| Rhodoplanes piscinae | NBRC 107574 |
| Rhodoplanes pokkaliisoli | NBRC 104972T |
| Rhodoplanes serenus | NBRC 102049T |
| Rhodoplanes tepidamans | NBRC 104267T |
| Rhodoplanes tepidicaeni | NBRC 112815T |
| Rhodopseudomonas palustris | NBRC 16661, NBRC 100246, NBRC 105869 |
| Rhodopseudomonas parapalustris | NBRC 106083T |
| Rhodopseudomonas pentothenatexigens | NBRC 108862T |
| Rhodopseudomonas pseudopalustris | NBRC 100419T |
| Rhodopseudomonas telluris | NBRC 107609T |
| Rhodopseudomonas thermotolerans | NBRC 108863T |
| Rhodosorus sp. (class: Stylonematophyceae) | NBRC 102944, NBRC 103308 |
| Rhodospirillum rubrum | NBRC 3986 |
| Rhodosporidium kratochvilovae | NBRC 10493T, NBRC 10494 |
| Rhodosporidium sphaerocarpum | NBRC 1438, NBRC 1937T, NBRC 1938, NBRC 1939, NBRC 105059 |
| Rhodotorula acuta | NBRC 1912T, NBRC 10699 |
| Rhodotorula araucariae | NBRC 10053, NBRC 10054T |
| Rhodotorula aurantiaca | NBRC 0754T, NBRC 0951 |
| Rhodotorula bacarum | NBRC 10768T |
| Rhodotorula bogoriensis | NBRC 1966T, NBRC 111047, NBRC 111055 |
| Rhodotorula buffonii | NBRC 10268T |
| Rhodotorula chungnamensis | NBRC 100405T |
| Rhodotorula dairenensis | NBRC 0415T, NBRC 1501 |
| Rhodotorula diffluens | NBRC 1521, NBRC 1522, NBRC 1523, NBRC 1524, NBRC 1525, NBRC 1526, NBRC 10328T |
| Rhodotorula diobovata | NBRC 0667, NBRC 0688, NBRC 1828, NBRC 1829, NBRC 1830T |
| Rhodotorula ferulica | NBRC 10769T |
| Rhodotorula foliorum | NBRC 10410T, NBRC 111266, NBRC 111283 |
| Rhodotorula fragaria | NBRC 10411T |
| Rhodotorula glutinis | NBRC 0395, NBRC 0695, NBRC 0697, NBRC 1099, NBRC 1125T, NBRC 1240, NBRC 1241, NBRC 1503, NBRC 111102 |
| Rhodotorula graminis | NBRC 0190, NBRC 10747T, NBRC 116271, NBRC 116278 |
| Rhodotorula hordea | NBRC 10412T |
| Rhodotorula hylophila | NBRC 10414T |
| Rhodotorula ingeniosa | NBRC 10002T |
| Rhodotorula javanica | NBRC 10285T, NBRC 111267 |
| Rhodotorula kratochvilovae | NBRC 0389 |
| Rhodotorula lactosa | NBRC 1423T, NBRC 1424 |
| Rhodotorula marina | NBRC 0928T |
| Rhodotorula mucilaginosa | NBRC 0001, NBRC 0002, NBRC 0003, NBRC 0004, NBRC 0382, NBRC 0696, NBRC 0714, NBRC 0870, NBRC 0889, NBRC 0891, NBRC 0892, NBRC 0893, NBRC 0894, NBRC 0901, NBRC 0902, NBRC 0907, NBRC 0908, NBRC 0909T, NBRC 0910, NBRC 0911, NBRC 0912, NBRC 0913, NBRC 0914, NBRC 0915, NBRC 0916, NBRC 0917, NBRC 0918, NBRC 0919, NBRC 0929, NBRC 1100, NBRC 1101, NBRC 1433, NBRC 1502, NBRC 1536, NBRC 1537, NBRC 1538, NBRC 1539, NBRC 110331, NBRC 110343, NBRC 111035, NBRC 111320, NBRC 111330, NBRC 111341, NBRC 114155, NBRC 114835 |
| Rhodotorula muscorum | NBRC 10298T |
| Rhodotorula nothofagi | NBRC 105060, NBRC 115897 |
| Rhodotorula pacifica | NBRC 114156, NBRC 116925T |
| Rhodotorula paludigena | NBRC 10547T, NBRC 10548, NBRC 105057, NBRC 105058, NBRC 111313, NBRC 116959 |
| Rhodotorula philyla | NBRC 10417T, NBRC 111352 |
| Rhodotorula pilati | NBRC 10244T |
| Rhodotorula pustula | NBRC 10248T |
| Rhodotorula sonckii | NBRC 10420T |
| Rhodotorula sp. | NBRC 1421, NBRC 1432, NBRC 105035, NBRC 107976, NBRC 107977, NBRC 107978, NBRC 107979, NBRC 107980, NBRC 107981, NBRC 107982, NBRC 109573, NBRC 110403 |
| Rhodotorula toruloides | NBRC 0388, NBRC 0559, NBRC 0871, NBRC 0880, NBRC 1236, NBRC 1535, NBRC 1636, NBRC 1637, NBRC 1638, NBRC 8766T, NBRC 8767, NBRC 10032, NBRC 10033, NBRC 10034, NBRC 10075, NBRC 10076, NBRC 10512, NBRC 10513, NBRC 11012, NBRC 11013, NBRC 11014, NBRC 111067, NBRC 111083, NBRC 111084, NBRC 111086, NBRC 111094, NBRC 111096, NBRC 111098, NBRC 111099, NBRC 111101, NBRC 114833 |
| Rhodotorula tropicalis | NBRC 111576 |
| Rhodotorula vanillica | NBRC 111345 |
| Rhodotorula yarrowii | NBRC 10765T |
| Rhodovastum atsumiense | NBRC 104268T |
| Rhodovulum lacipunicei | NBRC 104147T |
| Rhodovulum phaeolacus | NBRC 107649T |
| Rhodovulum salis | NBRC 108898T |
| Rhodovulum sp. | NBRC 105747, NBRC 105749, NBRC 112775 |
| Rhodovulum strictum | NBRC 16662T |
| Rhodovulum viride | NBRC 109122T |
| Rhynchogastrema glucofermentans | NBRC 112340T |
| Rhynchogastrema visegradensis | NBRC 112341T |
| Rhynchosporina tridentis | NBRC 9018 |
| Rhynchosporium orthosporum | NBRC 6700 |
| Rhynchosporium secalis | NBRC 5290 |
| Rhytidhysteron rufulum | NBRC 107022, NBRC 107023 |
| Riessia semiophora | NBRC 9380 |
| Rigidoporus ginkgonis | NBRC 114092 |
| Rigidoporus lineatus | NBRC 106843 |
| Robertmurraya korlensis | NBRC 107688T |
| Robiginitalea myxolifaciens | NBRC 104240T |
| Robiginitomaculum antarcticum | NBRC 103098T |
| Robiginosimarina momoshimaensis | NBRC 101843 |
| Roesleria subterranea | NBRC 108276 |
| Rollandina capitata | NBRC 9194T, NBRC 30589, NBRC 31219 |
| Rollandina hyalinospora | NBRC 9193 |
| Roseateles saccharophilus | NBRC 103037T |
| Roseateles sp. | NBRC 112971, NBRC 114001 |
| Roseibacillus ishigakijimensis | NBRC 103926T |
| Roseibacillus persicicus | NBRC 103928T, NBRC 103929, NBRC 103930 |
| Roseibacillus ponti | NBRC 103927T |
| Roseibacterium sp. | NBRC 114190 |
| Roseibium aestuarii | NBRC 112946T |
| Roseibium aggregatum | NBRC 116527, NBRC 116528, NBRC 116529 |
| Roseibium denhamense | NBRC 16782T |
| Roseibium hamelinense | NBRC 16783T |
| Roseiconus lacunae | NBRC 113875T |
| Roseiconus nitratireducens | NBRC 113879T |
| Roseiflexus castenholzii | NBRC 100045T |
| Roseihalotalea indica | NBRC 116371T |
| Roseimaritima sediminicola | NBRC 113926T |
| Roseimicrobium gellanilyticum | NBRC 108606T |
| Roseivirga marina | NBRC 111589T |
| Roseivivax halodurans | NBRC 16685T |
| Roseivivax halotolerans | NBRC 16686T |
| Rosellinia aquila | NBRC 32360, NBRC 32361 |
| Rosellinia necatrix | NBRC 5954, NBRC 9420, NBRC 32537, NBRC 32538, NBRC 107795 |
| Rosellinia sp. | NBRC 33096 |
| Roseobacter cerasinus | NBRC 114115T |
| Roseobacter denitrificans | NBRC 15277T |
| Roseobacter insulae | NBRC 115155T |
| Roseobacter litoralis | NBRC 15278T |
| Roseobacter ponti | NBRC 112431T |
| Roseobacter sp. | NBRC 109118 |
| Roseococcus sp. | NBRC 116539 |
| Roseomonas aceris | NBRC 109410T |
| Roseomonas aerilata | NBRC 106435T |
| Roseomonas aerophila | NBRC 108923T |
| Roseomonas aestuarii | NBRC 105654T |
| Roseomonas elaeocarpi | NBRC 107871T |
| Roseomonas fluvialis | NBRC 112025T |
| Roseomonas mucosa | NBRC 115778 |
| Roseomonas musae | NBRC 107870T |
| Roseomonas oryzicola | NBRC 109439T |
| Roseomonas radiodurans | NBRC 112872T |
| Roseomonas soli | NBRC 109097T |
| Roseomonas sp. | NBRC 111967, NBRC 113512, NBRC 113982, NBRC 113983, NBRC 114316, NBRC 114481, NBRC 114482, NBRC 114490, NBRC 114495, NBRC 114496, NBRC 114497, NBRC 114498, NBRC 116281 |
| Roseomonas terricola | NBRC 111477T |
| Roseovarius aestuariivivens | NBRC 112420T |
| Roseovarius scapharcae | NBRC 111226T |
| Roseovarius sp. | NBRC 108865, NBRC 108866, NBRC 108867, NBRC 116074, NBRC 116075 |
| Roseovarius tolerans | NBRC 16695T, NBRC 16696 |
| Rossellomorea aquimaris | NBRC 114965 |
| Rossellomorea vietnamensis | NBRC 101237T |
| Rothia dentocariosa | NBRC 12531T, NBRC 12532 |
| Rothia kristinae | NBRC 15354T |
| Rothia mucilaginosa | NBRC 15673T |
| Roumegueriella rufula | NBRC 9642, NBRC 31782 |
| Roussoella sp. | NBRC 106245 |
| Roussoellopsis sp. | NBRC 106246 |
| Rouxiella aceris | NBRC 114880 |
| Ruania albidiflava | NBRC 106322T |
| Rubellimicrobium aerolatum | NBRC 106433T |
| Rubellimicrobium rubrum | NBRC 114054T |
| Rubidimonas crustatorum | NBRC 107717T |
| Rubinisphaera brasiliensis | NBRC 103401T |
| Rubricoccus marinus | NBRC 107124T |
| Rubrimonas cliftonensis | NBRC 100047T |
| Rubritalea halochordaticola | NBRC 107102T |
| Rubritalea spongiae | NBRC 104204T |
| Rubritalea squalenifaciens | NBRC 103619T |
| Rubritalea tangerina | NBRC 104205T |
| Rubrivirga marina | NBRC 108815, NBRC 108816T |
| Rubrivirga profundi | NBRC 110607T |
| Rubrivirga sp. | NBRC 116172, NBRC 116463 |
| Rubrivivax gelatinosus | NBRC 16663T, NBRC 100245 |
| Rubrobacter radiotolerans | NBRC 14777T |
| Rubrobacter xylanophilus | NBRC 100952T |
| Rudaeicoccus suwonensis | NBRC 109091T |
| Rudaibacter terrae | NBRC 108754T |
| Rudanella lutea | NBRC 106408T |
| Ruegeria atlantica | NBRC 15792T, NBRC 15793 |
| Ruegeria sp. | NBRC 113693, NBRC 115114, NBRC 115233, NBRC 115234, NBRC 115562, NBRC 116589 |
| Rufibacter glacialis | NBRC 109705T |
| Rufibacter sediminis | NBRC 113030T |
| Rugamonas sp. | NBRC 115982, NBRC 115983, NBRC 115984 |
| Rugosimonospora acidiphila | NBRC 104874T |
| Rugosimonospora africana | NBRC 104875T |
| Rugositalea sp. | NBRC 109316 |
| Ruminococcus gnavus | NBRC 114413 |
| Rummeliibacillus pycnus | NBRC 101231T |
| Rummeliibacillus stabekisii | NBRC 12622, NBRC 104870T, NBRC 104892 |
| Runella rosea | NBRC 113116T |
| Runella soli | NBRC 112817T |
| Runella sp. | NBRC 15128, NBRC 15129, NBRC 15147 |
| Rutstroemia bulgarioides | NBRC 109856 |
| Rutstroemia cuniculi | NBRC 9671 |
| Rutstroemia paludosa | NBRC 9672 |