- Boechera laevigata, Smooth rockcress;Arabis laevigata
- Casearia zizyphoides, Casearia celastroides;Casearia laevigata
- Cololejeunea laevigata, Lejeunea laevigata Mitt;Lejeunea laevigata
- Eumarcia fumigata, Shining Venus Shell;Smoked Venerid;Notocallista laevigata;Tapes faba Reeve, 1864;Venus kochii Philippi, 1843;Venus laevigata Sowerby, 1853;Venus nitida Quoy and Gaimard, 1835;Tapes fumigata Sowerby, 1853
- Fulvia aperta, Laevigate Cockle;Thin Heart Cockle;Fulvia laevigata;Cardium 'rogata';Cardium annae Pilsbry, 1904;Cardium apertum Bruguiére, 1789;Cardium hians Spengler, 1799;Cardium laevigatum Linnaeus, 1758;Cardium muticum Reeve, 1844;Cardium rugatum Dillwyn, 1817;Cardium tenerum Dillwyn, 1817
- Hippocratea volubilis, Medicine vine;Hippocratea laevigata
- Hypotrachyna laevigata, Parmelia laevigata;Imbricaria laevigata;Lichen laevigatus;Parmotrema laevigatum
- Limnobium laevigatum, West Indian spongeplant;Hydromystria laevigata;Limnobium spongia subsp laevigatum;Limnobium stoloniferum;Salvinia laevigata
- Mabea biglandulosa, Mabea piriri var laevigata;Mabea montana subsp biglandulosa;Mabea occidentalis var laevigata
- Miconia prasina, Granadillo bobo;Miconia mucronulata;Melastoma laevigata;Miconia cristulata;Miconia revoluta;Miconia attenuata;Miconia attenuata var subquintuplinervia;Melastoma parviflora;Melastoma prasina;Miconia nemoralis;Miconia macrophylla;Miconia pteropoda;Miconia prasina var attenuata
- Neoligia subjuncta, Oligia laevigata;Oligia subjuncta
- Niebla laevigata, Vermilacinia johncassadyi;Vermilacinia laevigata;Vermilacinia ligulata;Vermilacinia paleoderma;Vermilacinia rigida;Vermilacinia rosei;Vermilacinia varicosa
- Peritassa laevigata, Salacia granulata;Tonsella laevigata;Salacia laevigata;Peritassa granulata;Peritassa rorida;Peritassa smaragdina;Peritassa rubicunda
- Pertusaria trachythallina, Pertusaria laevigata
- Porella arboris-vitae, Jungermannia arboris-vitae;Jungermannia laevigata;Madotheca laevigata var attenuata;Madotheca laevigata var killarniensis;Madotheca laevigata var subintegra;Madotheca laevigata var thuja;Madotheca laevigata;Porella laevigata var attenuata;Porella laevigata var obscura;Porella laevigata var subintegra;Porella laevigata var thuja;Porella laevigata
- Pouteria laevigata, Labatia laevigata
- Scaevola albida, Small-fruit Fan-flower;Goodenia albida Sm;Scaevola laevigata var albida Sm Pers;Goodenia laevigata Curtis;Scaevola laevigata Curtis Pers;Scaevola microcarpa Cav;Merkusia microcarpa Cav de Vriese;Lobelia microcarpa Cav Kuntze;Scaevola pallida RBr;Merkusia pallida RBr de Vriese;Scaevola microcarpa var pallida RBr Benth;Goodenia pubescens Sieber ex Spreng;Scaevola microcarpa Cav var microcarpa;Scaevola laevigata Curtis Pers var laevigata
- Senna septemtrionalis, Acacia Norfolk Island;Cassia laevigata Willd;Cassia septemtrionalis Viv;Arsenic bush;Cassia laevigata
- Syzygiella perfoliata, Plagiochila cuencensis;Plagiochila ligulato-opposita;Syzygiella appendiculata;Syzygiella cuencensis;Syzygiella gracillima;Syzygiella herzogiana;Syzygiella jelskii;Syzygiella laevigata;Syzygiella linguifolia;Syzygiella longifolia
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