- Acarospora smaragdula, Acarospora amphibola;Acarospora fusca;Acarospora lesdainii;Acarospora murina;Acarospora scabrida auct brit;Acarospora scyphulifera;Acarospora smaragdula var lesdainii;Acarospora smaragdula var murina;Acarospora rufescens;Silobia smaragdula
- Aepyprymnus rufescens, Rufous Bettong;Hypsiprymnus melanotis Ogilby, 1838;Bettongia rufescens Gray, 1837;Rufous bettong;Bettongia rufescens
- Catapyrenium rufescens, Dermatocarpon lachneum auct brit pp;Dermatocarpon rufescens;Placidium rufescens
- Cheilolejeunea rufescens, Lejeunea rufescens
- Cojoba rufescens, Coralillo;Harino;Pithecellobium rufescens;Pithecellobium tubuliferum;Pithecellobium membranaceum;Cojoba whitefoordiae;Cojoba tubulifera;Pithecellobium rufescens v
- Echymipera rufescens, Rufous Spiny Bandicoot;Long-nosed echymipera;Peremeles rufescens
- Gymnomitrion concinnatum, Acolea breviloba;Acolea concinnata;Cesia concinnata var argentea;Cesia concinnata var bryhnii;Cesia concinnata var rufescens;Cesia concinnata;Gymnomitrion breviloba;Gymnomitrion concinnatum var ambigua;Gymnomitrion concinnatum var argenteum;Gymnomitrion concinnatum var bryhnii;Gymnomitrion concinnatum var intermedium;Gymnomitrion concinnatum var rufescens;Gymnomitrium concinnatum;Jungermannia concinnata;Jungermannia crenulata Lightf
- Leandra rufescens, Oxymeris asperiuscula;Oxymeris rufescens;Tschudya rufescens;Tschudya asperiuscula;Leandra rufescens var glandulosa;Leandra rufescens var asperiuscula
- Lejeunea controversa, Crossotolejeunea controversa;Crossotolejeunea lindeniana;Crossotolejeunea obtusiuscula;Crossotolejeunea paucispina;Lejeunea paucispina var rufescens;Lejeunea paucispina
- Lindsaea portoricensis, Pteridophyta;Puerto Rico necklace fern;Lindsaea rufescens;Lindsaea crenata
- Lophozia sudetica, Jungermannia alpestris var amphigastriata;Jungermannia alpestris var gelida;Jungermannia curvula;Jungermannia gelida;Jungermannia goeppertiana;Jungermannia sicca;Jungermannia sudetica;Jungermannia tumidula;Lophozia alpestris non Schleich ex F Weber A Evans;Lophozia alpestris var amphigastriata;Lophozia alpestris var gelida;Lophozia ehrhartiana sensu Steere & Inoue 1978, non F Weber Inoue & Steere;Lophozia gelida;Lophozia rufescens
- Mactra rufescens, Reddish Mactra;Reddish Trough Shell;Trigonella rufescens
- Maxillaria acutifolia, Rufous tiger orchid;Maxillaria rufescens
| - Miconia rufescens, Miconia impetiginosa;Miconia rufescens var grandifolia;Melastoma rufescens
- Ochotona rufescens, Afghan pika;Lagomys rufescens
- Peltigera neckeri, Peltigera polydactyla auct brit pp pre;Peltigera polydactyla;Peltigera rufescens
- Peltigera rufescens, Peltigera canina var rufescens;Lichen caninus var rufescens;Lichen rufescens;Peltidea rufescens;Peltidea rufescens var rufescens
- Placidium pilosellum, Dermatocarpon rufescens
- Poecile rufescens, Chestnut-backed Chickadee;Parus rufescens
- Porella squamulifera, Madotheca columbica;Madotheca latetrigona;Madotheca rufescens;Madotheca squamulifera;Madotheca squamuligera;Porella rotundifolia
- Pterocarpus rohrii, Pterocarpus rohrii var rubiginosus;Pterocarpus rupestris;Pterocarpus rufescens;Pterocarpus magnicarpus;Pterocarpus magnicarpa;Sangre de gallo;Sangre;Cricamola;Suela;Pterocarpus hayesii
- Riccardia crassa, Jungermannia crassa Schwagr;Aneura crassa Schwagr Nees;Sarcomitrium crassum Schwagr Mitt;Aneura stolonifera Steph;Aneura rufescens Steph;Aneura walesiana Steph;Aneura longiflora f submersa Rodway;Aneura coriacea Steph;Aneura spathuliloba Steph;Riccardia stolonifera Steph EAHodgs;Aneura coriacea;Aneura crassa;Aneura longiflora fo submersa;Aneura rufescens;Aneura spathuliloba;Aneura stolonifera;Aneura walesiana;Jungermannia crassa;Riccardia stolonifera;Sarcomitrium crassum
- Tabebuia chrysantha, Roble amarillo;Bignonia chrysantha;Tabebuia rufescens
- Vismia sessilifolia, Hypericum sessilifolium;Hypericum rufescens;Vismia cayennensis var sessilifolia;Vismia rufescens;Caopia sessilifolia
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