- Apeiba membranacea, Apeiba aspera
- Apeiba petoumo, Apeiba echinata;Apeiba hypoleuca;Apeiba aspera
- Chrysopsis graminifolia, Silkweed;Pityopsis aspera
- Circinaria arida, Aspicilia desertorum;Aspicilia desertorum f desertorum;Aspicilia desertorum f sphaerothallina;Aspicilia desertorum f terrestris;Aspicilia desertorum var aspera;Aspicilia desertorum var desertorum;Lecanora desertorum
- Clibadium surinamense, ;Clibadium asperumClibadium caracasanum;Clibadium surinamense var asperum;Baillieria aspera;Clibadium surinamense var macrophyllum;Clibadium asperum
- Davilla kunthii, Davilla aspera;Davilla tenuis;Davilla surinamensis
- Dirinaria aegialita, Dirinaria aspera;Physcia aspera;Dirinaria aegialita var aegialita;Hagenia aegialita;Lecanora aegialita;Parmelia aegialita;Physcia aegialita;Physcia aegialita f aegialita;Physcia aegialita f coccinea;Physcia aegialita f obliterata;Physcia aegialita var aegialita;Physcia aegialita var flavida;Physcia aegialita var obliterata;Physcia aegialita var saxicola;Physcia aspera var alutacea;Physcia aspera var aspera
- Erythridula aspera, Erythroneura aspera;Erythroneura neeli Hepner, 1976;Erythroneura kanensis Hepner, 1976
- Gongylanthus ericetorum, Calypogeia ericetorum;Jamesoniella aspera
- Isotachis aubertii, Isotachis aspera var transvaalensis;Isotachis aspera;Isotachis conistipula;Isotachis gordonii;Isotachis renistipula;Isotachis rutenbergii;Isotachis uncinata;Jungermannia aubertii;Jungermannia uncinata;Lophozia kinangopii
- Macairea thyrsiflora, Macairea maguirei;Macairea albiflora;Macairea aspera;Macairea schultesii
- Melanohalea exasperata, Melanelia exasperata (De Not) Essl;Parmelia aspersa;Parmelia exasperata;Imbricaria aspera;Imbricaria aspidota ;Melanelia exasperata;Parmelia aspera;Parmelia aspidota;Parmelia olivacea var aspera
- Melanthera nivea, Snow squarestem;Echinocephalum discoideum;Bidens nivea;Melanthera aspera;Calea aspera;Snow Squarestem;Bidens nivea L;Melanthera carpenteri Small;Melanthera hastata Michx
- Mikania guaco, Willoughbya parviflora var guaco;Willoughbya argyrostigma;Mikania aspera;Mikania amara var guaco;Willoughbya guaco;Willoughbya aspera;Mikania argyrostigma
| - Mitracarpus hirtus, Spermacoce hirta L;Tropical girdlepod;Mitracarpus villosus;Spermacoce longifolia;Spermacoce aspera;Mitracarpus breviflorus;Tropical Girdlepod;Mitracarpus villosus (Sw) Cham & Schltdl ex Dc
- Petrea volubilis, Queens-wreath;Petrea kohautiana;Petrea rivularis;Petrea volubilis var pubescens;Petrea aspera;Petrea aspera f albiflora
- Piriqueta cistoides, Pitted stripeseed;Piriqueta villosa;Turnera hirta;Piriqueta cistoides var bracteolata;Piriqueta cistoides var foliosa;Piriqueta cistoides var latifolia;Piriqueta foliosa;Piriqueta stenophylla;Turnera aspera;Piriqueta lanceolata;Turnera cistoides;Piriqueta cistoides var genuina;Turnera desvauxii;Pitted Stripeseed
- Pourouma bicolor, Pourouma aspera;Pourouma camaratana;Guarumo de pava;Uvito;Uvito de pava;Guarumo macho;Mangab;Pourouma scobina;Pourouma chocoana;Pourouma johnstonii
- Prionolejeunea muricato-serrulata, Microlejeunea aspera;Prionolejeunea mucronata fo minutissima
- Prionostemma aspera, Salacia scabra;Hippocratea schomburgkii;Salacia catalinensis;Prionostemma malpighiifolia;Tonsella malpighiifolia;Hippocratea malpighiifolia;Hippocratea aspera
- Riccardia aspera, Aneura aspera
- Rondeletia buddleioides, Rondeletia buddleioides var aspera
- Scapania aspera, Martinellia aspera;Scapania aequiloba var aspera;Scapania aequiloba var major
- Tetracera tigarea, Tigarea aspera;Tetracera aspera
- Tibouchina aspera, Lasiandra tibouchina;Melastoma aromatica;Melastoma tibouchina;Pleroma tibouchinum;Rhexia aspera
- Trophis caucana, Olmedia aspera
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