| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| RHLO2 | Rhexia longifolia Vahl | Tibouchina longifolia | Melastomataceae
|
| RHLU | Rhexia lutea Walt. | yellow meadowbeauty | Melastomataceae
|
| RHMAE | Rhexia mariana L. var. exalbida Michx. | Rhexia mariana var. mariana | Melastomataceae
|
| RHMAI | Rhexia mariana L. var. interior (Pennell) Kral & Bostick | Maryland meadowbeauty | Melastomataceae
|
| RHMAL | Rhexia mariana L. var. leiosperma Fern. & Grisc. | Rhexia mariana var. mariana | Melastomataceae
|
| RHMAM2 | Rhexia mariana L. var. mariana | Maryland meadowbeauty | Melastomataceae
|
| RHMAP | Rhexia mariana L. var. purpurea Michx. | Rhexia nashii | Melastomataceae
|
| RHMAV | Rhexia mariana L. var. ventricosa (Fern. & Grisc.) Kral & Bostick | Maryland meadowbeauty | Melastomataceae
|
| RHMA | Rhexia mariana L. | Maryland meadowbeauty | Melastomataceae
|
| RHNA | Rhexia nashii Small | maid Marian | Melastomataceae
|
| RHNU2 | Rhexia nuttallii C.W. James | Nuttall's meadowbeauty | Melastomataceae
|
| RHPA3 | Rhexia parviflora Chapman | white meadowbeauty | Melastomataceae
|
| RHPE | Rhexia petiolata Walt. | fringed meadowbeauty | Melastomataceae
|
| RHSA3 | Rhexia salicifolia Kral & Bostick | panhandle meadowbeauty | Melastomataceae
|
| RHSE6 | Rhexia serrulata Nutt. | Rhexia nuttallii | Melastomataceae
|
| RHST5 | Rhexia stricta Pursh | Rhexia virginica | Melastomataceae
|
| RHVE3 | Rhexia ventricosa Fern. & Grisc. | Rhexia mariana var. ventricosa | Melastomataceae
|
| RHVIP | Rhexia virginica L. var. purshii (Spreng.) C.W. James | Rhexia virginica | Melastomataceae
|
| RHVIS2 | Rhexia virginica L. var. septemnervia (Walt.) Pursh | Rhexia virginica | Melastomataceae
|
| RHVI | Rhexia virginica L. | handsome Harry | Melastomataceae
|
| RHEXI | Rhexia L. | meadowbeauty | Melastomataceae
|
| RHSU8 | Rhexophyllum subnigrum (Mitt.) Th�r. ex Hilp. | rhexophyllum moss | Pottiaceae
|
| RHEXO | Rhexophyllum Herz. | rhexophyllum moss | Pottiaceae
|
| RHAL6 | Rhinanthus alectorolophus (Scop.) Pollich | European yellowrattle | Scrophulariaceae
|
| RHAR2 | Rhinanthus arcticus (Sterneck) Pennell | Rhinanthus minor ssp. groenlandicus | Scrophulariaceae
|
| RHBOK | Rhinanthus borealis (Sterneck) Druce ssp. kyrolliae (Chabert) Pennell | Rhinanthus minor ssp. minor | Scrophulariaceae
|
| RHBO3 | Rhinanthus borealis (Sterneck) Druce | Rhinanthus minor ssp. groenlandicus | Scrophulariaceae
|
| RHCRF | Rhinanthus crista-galli L. var. fallax (Wimmer & Grab.) Druce | Rhinanthus minor ssp. minor | Scrophulariaceae
|
| RHCR2 | Rhinanthus crista-galli L. p.p. | Rhinanthus minor ssp. minor | Scrophulariaceae
|
| RHGR4 | Rhinanthus groenlandicus (Ostenf.) Chabert | Rhinanthus minor ssp. groenlandicus | Scrophulariaceae
|
| RHKY | Rhinanthus kyrolliae Chabert | Rhinanthus minor ssp. minor | Scrophulariaceae
|
| RHMA7 | Rhinanthus major Ehrh. | Rhinanthus alectorolophus | Scrophulariaceae
|
| RHMIB | Rhinanthus minor L. ssp. borealis (Sterneck) A. L�ve | Rhinanthus minor ssp. groenlandicus | Scrophulariaceae
|
| RHMIG | Rhinanthus minor L. ssp. groenlandicus (Ostenf.) L. Neum. | arctic rattlebox | Scrophulariaceae
|
| RHMIM | Rhinanthus minor L. ssp. minor | little yellowrattle | Scrophulariaceae
|
| RHMI13 | Rhinanthus minor L. | little yellowrattle | Scrophulariaceae
|
| RHRI2 | Rhinanthus rigidus Chabert | Rhinanthus minor ssp. minor | Scrophulariaceae
|
| RHSE9 | Rhinanthus serotinus (Sch�nh) Oborny | late-flowering yellowrattle | Scrophulariaceae
|
| RHST6 | Rhinanthus stenophyllus (Schur) Schinz & Thellung | Rhinanthus minor ssp. minor | Scrophulariaceae
|
| RHINA | Rhinanthus L. | yellowrattle | Scrophulariaceae
|
| RHBA2 | Rhipsalis baccifera (Soland. ex J. Mill.) Stearn | mistletoe cactus | Cactaceae
|
| RHCA16 | Rhipsalis cassutha Gaertn. | Rhipsalis baccifera | Cactaceae
|
| RHIPS | Rhipsalis Gaertn. | rhipsalis | Cactaceae
|
| RHAL8 | Rhizocarpon alaxense J. W. Thomson | map lichen | Rhizocarpaceae
|
| RHAL9 | Rhizocarpon albineum (Tuck.) Fink | Rhizocarpon obscuratum | Rhizocarpaceae
|
| RHAL11 | Rhizocarpon alboatrum (Hoffm.) Anzi | Diplotomma alboatrum | Physciaceae
|
| RHAL10 | Rhizocarpon alpicola (Anzi) Rabenh. | map lichen | Rhizocarpaceae
|
| RHAM2 | Rhizocarpon ambiguum (Schaerer) Zahlbr. | Rhizocarpon distinctum | Rhizocarpaceae
|
| RHAN2 | Rhizocarpon anaperum (Vainio) Vainio | map lichen | Rhizocarpaceae
|
| RHAN3 | Rhizocarpon anseris Lynge | map lichen | Rhizocarpaceae
|
| RHAT2 | Rhizocarpon athalloides (Nyl.) Hasse | map lichen | Rhizocarpaceae
|
| RHAT4 | Rhizocarpon atroalbescens (Nyl.) Zahlbr. | Rhizocarpon eupetraeoides | Rhizocarpaceae
|
| RHAT3 | Rhizocarpon atroflavescens Lynge | map lichen | Rhizocarpaceae
|
| RHBA6 | Rhizocarpon badioatrum (Florke ex Sprengel) Th. Fr. | map lichen | Rhizocarpaceae
|
| RHBO4 | Rhizocarpon bolanderi (Tuck.) Herre | Bolander's map lichen | Rhizocarpaceae
|
| RHCH60 | Rhizocarpon chioneum (Norman) Th. Fr. | map lichen | Rhizocarpaceae
|
| RHCH7 | Rhizocarpon chionophilum Th. Fr. | Rhizocarpon alpicola | Rhizocarpaceae
|
| RHCH8 | Rhizocarpon chlorophaeum Hepp ex Leighton | Diplotomma chlorophaeum | Physciaceae
|
| RHCI7 | Rhizocarpon cinereonigrum Vainio | map lichen | Rhizocarpaceae
|
| RHCI8 | Rhizocarpon cinereovirens (Mull. Arg.) Vainio | map lichen | Rhizocarpaceae
|
| RHCO9 | Rhizocarpon concentricum (Davies) Beltram. | concentric map lichen | Rhizocarpaceae
|
| RHCO16 | Rhizocarpon concentricum auct. | Rhizocarpon petraeum | Rhizocarpaceae
|
| RHCO12 | Rhizocarpon concretum (Ach.) Elenkin | Rhizocarpon geminatum | Rhizocarpaceae
|
| RHCO10 | Rhizocarpon cookeanum H. Magn. | Cooke's map lichen | Rhizocarpaceae
|
| RHCO11 | Rhizocarpon copelandii (Korber) Th. Fr. | Copeland's map lichen | Rhizocarpaceae
|
| RHCR5 | Rhizocarpon crystalligeneum Lynge | Rhizocarpon superficiale ssp. boreale | Rhizocarpaceae
|
| RHCU5 | Rhizocarpon cumulatum J. W. Thomson | map lichen | Rhizocarpaceae
|
| RHDI60 | Rhizocarpon disporum (Naeg. ex Hepp) Mull. Arg. | map lichen | Rhizocarpaceae
|
| RHDI8 | Rhizocarpon disporum auct. | Rhizocarpon geminatum | Rhizocarpaceae
|
| RHDI7 | Rhizocarpon distinctum Th. Fr. | distinct map lichen | Rhizocarpaceae
|
| RHEF | Rhizocarpon effiguratum (Anzi) Th. Fr. | map lichen | Rhizocarpaceae
|
| RHEU60 | Rhizocarpon eupetraeoides (Nyl.) Blomb. & Forss. | map lichen | Rhizocarpaceae
|
| RHEU2 | Rhizocarpon eupetraeum (Nyl.) Arnold | map lichen | Rhizocarpaceae
|
| RHEX2 | Rhizocarpon expallescens Th. Fr. | map lichen | Rhizocarpaceae
|
| RHFE3 | Rhizocarpon ferax H. Magn. | map lichen | Rhizocarpaceae
|
| RHFR2 | Rhizocarpon frigidum Rasanen | map lichen | Rhizocarpaceae
|
| RHGE2 | Rhizocarpon geminatum Korber | map lichen | Rhizocarpaceae
|
| RHGE60 | Rhizocarpon geographicum (L.) DC. | world map lichen | Rhizocarpaceae
|
| RHGR60 | Rhizocarpon grande (Florke ex Flotow) Arnold | big map lichen | Rhizocarpaceae
|
| RHHE2 | Rhizocarpon hensseniae Brodo | Henssen's map lichen | Rhizocarpaceae
|
| RHHO2 | Rhizocarpon hochstetteri (Korber) Vainio | Hochstetter's map lichen | Rhizocarpaceae
|
| RHIN60 | Rhizocarpon inarense (Vainio) Vainio | map lichen | Rhizocarpaceae
|
| RHIN61 | Rhizocarpon intermediellum Rasanen | map lichen | Rhizocarpaceae
|
| RHIN12 | Rhizocarpon intermedium Degel. | Rhizocarpon eupetraeum | Rhizocarpaceae
|
| RHIN14 | Rhizocarpon interponens (Nyl.) Zahlbr. | Rhizocarpon obscuratum | Rhizocarpaceae
|
| RHIN13 | Rhizocarpon intersitum Arnold | map lichen | Rhizocarpaceae
|
| RHJE | Rhizocarpon jemtlandicum (Malme) Malme | map lichen | Rhizocarpaceae
|
| RHLA9 | Rhizocarpon lavatum Hazsl. | map lichen | Rhizocarpaceae
|
| RHLE5 | Rhizocarpon lecanorinum Anders | lecanora map lichen | Rhizocarpaceae
|
| RHLI2 | Rhizocarpon lindsayanum Rasanen | Lindsay's map lichen | Rhizocarpaceae
|
| RHMA9 | Rhizocarpon macrosporum Rasanen | largespore map lichen | Rhizocarpaceae
|
| RHMI14 | Rhizocarpon microsporum Lynge | smallspore map lichen | Rhizocarpaceae
|
| RHMO2 | Rhizocarpon montagnei Korber | Rhizocarpon disporum | Rhizocarpaceae
|
| RHNO | Rhizocarpon norvegicum Rasanen | Norwegian map lichen | Rhizocarpaceae
|
| RHOB5 | Rhizocarpon obscuratum (Ach.) A. Massal. | obscure map lichen | Rhizocarpaceae
|
| RHOC2 | Rhizocarpon occidentale Lynge | Rhizocarpon superficiale | Rhizocarpaceae
|
| RHOE | Rhizocarpon oederi (Weber) Korber | Oeder's map lichen | Rhizocarpaceae
|
| RHOI | Rhizocarpon oidaleum (Nyl.) Fink | Buellia oidalea | Physciaceae
|
| RHOR | Rhizocarpon oreites (Vainio) Zahlbr. | Rhizocarpon alpicola | Rhizocarpaceae
|
| RHPA6 | Rhizocarpon parvum Runem. | map lichen | Rhizocarpaceae
|
| RHPE7 | Rhizocarpon penichrum (Tuck.) G. Merr. | Diplotomma penichrum | Physciaceae
|