| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| RUOR7 | Rubus orbicularis H.A. & T. Davis | Rubus provincialis | Rosaceae
|
| RUOR6 | Rubus oriens Bailey | Rubus spectatus | Rosaceae
|
| RUOR4 | Rubus originalis Bailey | Cold Spring blackberry | Rosaceae
|
| RUOR5 | Rubus ortivus (Bailey) Bailey | Mt. Desert Island blackberry | Rosaceae
|
| RUOS | Rubus ostryifolius Rydb. | highbush blackberry | Rosaceae
|
| RUOZ | Rubus ozarkensis Bailey | Rubus bushii | Rosaceae
|
| RUPA7 | Rubus paganus Bailey | St. Lawrence dewberry | Rosaceae
|
| RUPA25 | Rubus paludivagus Fern. | Cape Cod blackberry | Rosaceae
|
| RUPA17 | Rubus par Bailey | Rubus laudatus | Rosaceae
|
| RUPA8 | Rubus �paracaulis Bailey (pro sp.) | | Rosaceae
|
| RUPA13 | Rubus parcifrondifer Bailey | Silver Creek blackberry | Rosaceae
|
| RUPA9 | Rubus parlinii Bailey | Parlin's dewberry | Rosaceae
|
| RUPA10 | Rubus particeps Bailey | Kingston dewberry | Rosaceae
|
| RUPA14 | Rubus particularis Bailey | West Virginia dewberry | Rosaceae
|
| RUPAV2 | Rubus parviflorus Nutt. ssp. velutinus (Hook. & Arn.) Taylor & MacBryde | Rubus parviflorus var. velutinus | Rosaceae
|
| RUPAB | Rubus parviflorus Nutt. var. bifarius Fern. | Rubus parviflorus var. parviflorus | Rosaceae
|
| RUPAG3 | Rubus parviflorus Nutt. var. grandiflorus Farw. | Rubus parviflorus var. parviflorus | Rosaceae
|
| RUPAH | Rubus parviflorus Nutt. var. heteradenius Fern. | Rubus parviflorus var. parviflorus | Rosaceae
|
| RUPAH2 | Rubus parviflorus Nutt. var. hypomalacus Fern. | Rubus parviflorus var. parviflorus | Rosaceae
|
| RUPAP2 | Rubus parviflorus Nutt. var. parviflorus | thimbleberry | Rosaceae
|
| RUPAP3 | Rubus parviflorus Nutt. var. parvifolius (Gray) Fern. | Rubus parviflorus var. parviflorus | Rosaceae
|
| RUPAV | Rubus parviflorus Nutt. var. velutinus (Hook. & Arn.) Greene | thimbleberry | Rosaceae
|
| RUPA | Rubus parviflorus Nutt. | thimbleberry | Rosaceae
|
| RUPA11 | Rubus pascuus Bailey | Chesapeake blackberry | Rosaceae
|
| RUPA16 | Rubus paulus Bailey | Rubus alumnus | Rosaceae
|
| RUPA20 | Rubus pauper Bailey | Rubus plicatifolius | Rosaceae
|
| RUPA19 | Rubus pauperrimus Bailey | Rubus roribaccus | Rosaceae
|
| RUPA15 | Rubus pauxillus Bailey | Rubus frondosus | Rosaceae
|
| RUPE17 | Rubus peculiaris Blanch. | Rubus vermontanus | Rosaceae
|
| RUPE | Rubus pedatus Sm. | strawberryleaf raspberry | Rosaceae
|
| RUPE2 | Rubus penetrans Bailey | Rubus argutus | Rosaceae
|
| RUPE19 | Rubus pennus Bailey | Rubus allegheniensis var. allegheniensis | Rosaceae
|
| RUPEF | Rubus pensilvanicus Poir. var. frondosus (Bigelow) Boivin | Rubus frondosus | Rosaceae
|
| RUPE3 | Rubus pensilvanicus Poir. | Pennsylvania blackberry | Rosaceae
|
| RUPE13 | Rubus peracer Bailey | Rubus multiformis | Rosaceae
|
| RUPE16 | Rubus perdebilis Bailey | Rubus vermontanus | Rosaceae
|
| RUPE18 | Rubus perfoliosus Bailey | Rubus recurvans | Rosaceae
|
| RUPET | Rubus pergratus Blanch. var. terrae-novae Bailey | Rubus pergratus | Rosaceae
|
| RUPE6 | Rubus pergratus Blanch. | upland blackberry | Rosaceae
|
| RUPE21 | Rubus perinvisus Bailey | Rubus ortivus | Rosaceae
|
| RUPE7 | Rubus permixtus Blanch. | thicket dewberry | Rosaceae
|
| RUPE20 | Rubus pernagaeus Fern. | Smithfield blackberry | Rosaceae
|
| RUPE15 | Rubus perpauper Bailey | Rubus dissimilis | Rosaceae
|
| RUPE8 | Rubus persistens Rydb. | persistent blackberry | Rosaceae
|
| RUPE9 | Rubus perspicuus Bailey | Great Lakes dewberry | Rosaceae
|
| RUPE10 | Rubus pervarius (Bailey) Bailey | Westminster dewberry | Rosaceae
|
| RUPH2 | Rubus philadelphicus Blanch. | Philadelphia blackberry | Rosaceae
|
| RUPH | Rubus phoenicolasius Maxim. | wine raspberry | Rosaceae
|
| RUPI | Rubus pityophilus S.J. Sm. | Rubus recurvans | Rosaceae
|
| RUPL3 | Rubus plexus Fern. | tangled dewberry | Rosaceae
|
| RUPL | Rubus plicatifolius Blanch. | plaitleaf dewberry | Rosaceae
|
| RUPL4 | Rubus pluralis Bailey | Rubus roribaccus | Rosaceae
|
| RUPL2 | Rubus plus Bailey | hairyleaf dewberry | Rosaceae
|
| RUPO3 | Rubus pohlii Bailey | Rubus ithacanus | Rosaceae
|
| RUPO4 | Rubus polulus Bailey | Rubus plicatifolius | Rosaceae
|
| RUPO6 | Rubus polybotrys Bailey | Rubus multifer | Rosaceae
|
| RUPO | Rubus porteri Bailey | Pocono Plateau dewberry | Rosaceae
|
| RUPO2 | Rubus positivus Bailey | New London dewberry | Rosaceae
|
| RUPO5 | Rubus potis Bailey | Rubus wheeleri | Rosaceae
|
| RUPR10 | Rubus praepes Bailey | Rubus laudatus | Rosaceae
|
| RUPR17 | Rubus pratensis Bailey | Rubus frondosus | Rosaceae
|
| RUPR3 | Rubus prestonensis H.A. & T. Davis | Terra Alta blackberry | Rosaceae
|
| RUPR14 | Rubus prior Bailey | Rubus plicatifolius | Rosaceae
|
| RUPR4 | Rubus probabilis Bailey | tree blackberry | Rosaceae
|
| RUPR5 | Rubus probativus Bailey | Birmingham blackberry | Rosaceae
|
| RUPR15 | Rubus problematicus Bailey | Rubus plicatifolius | Rosaceae
|
| RUPR6 | Rubus probus Bailey | Queensland raspberry | Rosaceae
|
| RUPR | Rubus procerus auct. non P.J. Muell. ex Genev | Rubus discolor | Rosaceae
|
| RUPR7 | Rubus profusiflorus Bailey | Rubus depavitus | Rosaceae
|
| RUPR8 | Rubus pronus Bailey | Rubus plicatifolius | Rosaceae
|
| RUPR13 | Rubus proprius Bailey | Rubus elegantulus | Rosaceae
|
| RUPR11 | Rubus prosper Bailey | Rhode Island dewberry | Rosaceae
|
| RUPR9 | Rubus provincialis Bailey | groundberry | Rosaceae
|
| RUPUA | Rubus pubescens Raf. var. alaskensis (Bailey) Boivin | Rubus alaskensis | Rosaceae
|
| RUPUP3 | Rubus pubescens Raf. var. paracaulis (Bailey) Boivin | Rubus paracaulis | Rosaceae
|
| RUPUP | Rubus pubescens Raf. var. pilosifolius A.F. Hill | dwarf red blackberry | Rosaceae
|
| RUPUP2 | Rubus pubescens Raf. var. pubescens | dwarf red blackberry | Rosaceae
|
| RUPU | Rubus pubescens Raf. | dwarf red blackberry | Rosaceae
|
| RUPU4 | Rubus pubifolius Bailey | Eagle Rock blackberry | Rosaceae
|
| RUPU8 | Rubus pudens Bailey | Rubus segnis | Rosaceae
|
| RUPU5 | Rubus pugnax Bailey | pugnacious blackberry | Rosaceae
|
| RUPU7 | Rubus pulchriflorus Bailey | Rubus laudatus | Rosaceae
|
| RUPU6 | Rubus putus Bailey | Rubus bushii | Rosaceae
|
| RUQU2 | Rubus quebecensis Bailey | Rubus vermontanus | Rosaceae
|
| RURA | Rubus racemiger Bailey | racemed dewberry | Rosaceae
|
| RURA4 | Rubus ramifer Bailey | Rubus suus | Rosaceae
|
| RURA6 | Rubus randii (Bailey) Rydb. | Rubus canadensis | Rosaceae
|
| RURA2 | Rubus randolphiorum Bailey | Plymouth blackberry | Rosaceae
|
| RURA3 | Rubus rappii Bailey | Rubus allegheniensis var. allegheniensis | Rosaceae
|
| RURA5 | Rubus ravus Bailey | Rubus frondisentis | Rosaceae
|
| RURES | Rubus recurvans Blanch. var. subrecurvans Blanch. | Rubus recurvans | Rosaceae
|
| RURE | Rubus recurvans Blanch. | recurved blackberry | Rosaceae
|
| RUREA | Rubus recurvicaulis Blanch. var. armatus Fern. | Rubus plicatifolius | Rosaceae
|
| RUREI | Rubus recurvicaulis Blanch. var. inarmatus Blanch. | Rubus recurvicaulis | Rosaceae
|
| RURE2 | Rubus recurvicaulis Blanch. | arching dewberry | Rosaceae
|
| RURE6 | Rubus redundans Bailey | Rubus invisus | Rosaceae
|
| RURE3 | Rubus regionalis (Bailey) Bailey | Wisconsin dewberry | Rosaceae
|
| RURE4 | Rubus repens (L.) Kuntze | Dalibarda repens | Rosaceae
|
| RURE5 | Rubus reravus Bailey | Rubus racemiger | Rosaceae
|
| RURH2 | Rubus rhodinsulanus Bailey | Rubus plicatifolius | Rosaceae
|
| RURH | Rubus rhodophyllus Rydb. | Rubus argutus | Rosaceae
|