| Nome Latino | Nome Comune | Famiglia | |
| | | | |
|
Osmorhiza depauperata Phil. |
|
Apiaceae |
|
|
Osmorhiza divaricata (Britt.) Suksdorf |
|
Apiaceae |
|
|
Osmorhiza leibergii (Coult. & Rose) Blankinship |
|
Apiaceae |
|
|
Osmorhiza longistylis (Torr.) DC. |
|
Apiaceae |
|
|
Osmorhiza longistylis (Torr.) DC. var. brachycoma Blake |
|
Apiaceae |
|
|
Osmorhiza longistylis (Torr.) DC. var. imbarbata Salamun |
|
Apiaceae |
|
|
Osmorhiza longistylis (Torr.) DC. var. villicaulis Fern. |
|
Apiaceae |
|
|
Osmorhiza mexicana Griseb. |
|
Apiaceae |
|
|
Osmorhiza mexicana Griseb. ssp. bipartriata (Constance & Shan) Lowry & A.G. Jones [orthographic error] |
|
Apiaceae |
|
|
Osmorhiza mexicana Griseb. ssp. bipatriata (Constance & Shan) Lowry & A.G. Jones |
|
Apiaceae |
|
|
Osmorhiza nuda Torr. |
|
Apiaceae |
|
|
Osmorhiza obtusa (Coult. & Rose) Fern. |
|
Apiaceae |
|
|
Osmorhiza occidentalis (Nutt. ex Torr. & Gray) Torr. |
|
Apiaceae |
|
|
Osmorhiza purpurea (Coult. & Rose) Suksdorf |
|
Apiaceae |
|
|
Osmorhiza Raf. |
|
Apiaceae |
|
|
Osmunda cinnamomea L. |
Felce florida, F. delle paludi |
Osmundaceae |
|
|
Osmunda cinnamomea L. var. cinnamomea |
Felce florida, F. delle paludi |
Osmundaceae |
|
|
Osmunda cinnamomea L. var. frondosa Gray |
Felce florida, F. delle paludi |
Osmundaceae |
|
|
Osmunda cinnamomea L. var. glandulosa Waters |
Felce florida, F. delle paludi |
Osmundaceae |
|
|
Osmunda cinnamomea L. var. imbricata (Kunze) Milde |
Felce florida, F. delle paludi |
Osmundaceae |
|
|
Osmunda claytoniana L. |
Felce florida, F. delle paludi |
Osmundaceae |
|
|
Osmunda L. |
Felce florida, F. delle paludi |
Osmundaceae |
|
|
Osmunda regalis L. |
Felce florida, F. delle paludi |
Osmundaceae |
|
|
Osmunda regalis L. var. spectabilis (Willd.) Gray |
Felce florida, F. delle paludi |
Osmundaceae |
|
|
Osmunda spicant L. |
Felce |
Blechnaceae |
|
|
Osmunda ×ruggii R. Tryon [claytoniana × regalis] |
Felce florida, F. delle paludi |
Osmundaceae |
|
|
Ossaea domingensis Cogn. |
Tibucina |
Melastomataceae |
|
|
Ossaea krugiana Cogn. |
Tibucina |
Melastomataceae |
|
|
Ossaea scabrosa (L.) DC. |
Tibucina |
Melastomataceae |
|
|
Ossaea scalpta (Vent.) DC. |
Tibucina |
Melastomataceae |
|
|
Osteomeles anthyllidifolia (Sm.) Lindl. |
Ciliegio tardivo |
Rosaceae |
|
|
Osteomeles Lindl. |
Ciliegio tardivo |
Rosaceae |
|
|
Osteomeles schweriniae C. K. Schneid. |
|
Rosaceae |
|
|
Osteospermum calendulaceum L. f. |
|
Asteraceae |
|
|
Osteospermum ecklonis (DC.) Norl. |
|
Asteraceae |
|
|
Osteospermum fruticosum (L.) Norl. |
|
Asteraceae |
|
|
Osteospermum L. |
|
Asteraceae |
|
|
Osteospermum muricatum E. Mey. ex DC. |
|
Asteraceae |
|
|
Osteospermum sinuatum (DC.) Norl. [excluded] |
|
Asteraceae |
|
|
Osteospermum spinescens Thunb. |
|
Asteraceae |
|
|
Osteospermum uvedalia L. |
|
Asteraceae |
|
|
Ostrya chisosensis Correll |
Ontano bianco |
Betulaceae |
|
|
Ostrya knowltonii Sarg. |
Ontano bianco |
Betulaceae |
|
|
Ostrya Scop. |
Ontano bianco |
Betulaceae |
|
|
Ostrya virginiana (P. Mill.) K. Koch |
Carpino bianco |
Betulaceae |
|
|
Ostrya virginiana (P. Mill.) K. Koch var. chisosensis (Correll) Henrickson, comb. nov. ined. |
Carpino bianco |
Betulaceae |
|
|
Ostrya virginiana (P. Mill.) K. Koch var. lasia Fern. |
Carpino bianco |
Betulaceae |
|
|
Ostrya virginiana (P. Mill.) K. Koch var. virginiana |
Carpino bianco |
Betulaceae |
|
|
Othake callosa (Nutt.) Bush |
|
Asteraceae |
|
|
Othake sphacelata (Nutt. ex Torr.) Rydb. |
|
Asteraceae |
|
|
Otholobium candicans (Eckl. & Zeyh.) C. H. Stirt. |
Sofora |
Fabaceae |
|
|
Otholobium fruticans (L.) Stirton |
Sofora |
Fabaceae |
|
|
Otholobium Stirton |
Sofora |
Fabaceae |
|
|
Otophylla auriculata (Michx.) Small |
Paulonia |
Scrophulariaceae |
|
|
Otophylla densiflora (Benth.) Small |
Paulonia |
Scrophulariaceae |
|
|
Ottelia alismoides (L.) Pers. |
Morso di rana |
Hydrocharitaceae |
|
|
Ottelia Pers. |
Morso di rana |
Hydrocharitaceae |
|
|
Ottochloa Dandy |
Erba della Pampa |
Poaceae |
|
|
Ottochloa nodosa (Kunth) Dandy |
Erba della Pampa |
Poaceae |
|
|
Ouratea Aubl. |
|
Ochnaceae |
|
|
Ouratea ilicifolia (DC.) Baill. |
|
Ochnaceae |
|
|
Ouratea littoralis Urban |
|
Ochnaceae |
|
|
Ouratea mossambicensis Klotzsch [excluded] |
|
Ochnaceae |
|
|
Ouratea striata (v. Tiegh.) Urban |
|
Ochnaceae |
|
|
Oxalis acetosella auct. non L. [misapplied] |
Acetosella |
Oxalidaceae |
|
|
Oxalis acetosella L. ssp. montana (Raf.) Hultén ex D. Löve |
Acetosella |
Oxalidaceae |
|
|
Oxalis acetosella L. ssp. oregana (Nutt.) D. Löve |
Acetosella |
Oxalidaceae |
|
|
Oxalis acetosella L. var. rhodantha (Fern.) R. Knuth |
Acetosella |
Oxalidaceae |
|
|
Oxalis albicans Kunth |
|
Oxalidaceae |
|
|
Oxalis albicans Kunth ssp. albicans |
|
Oxalidaceae |
|
|
Oxalis albicans Kunth ssp. californica (Abrams) Eiten |
|
Oxalidaceae |
|
|
Oxalis albicans Kunth ssp. pilosa (Nutt.) Eiten |
|
Oxalidaceae |
|
|
Oxalis alpina (Rose) Rose ex R. Knuth |
|
Oxalidaceae |
|
|
Oxalis amplifolia auct. non (Trel.) R. Knuth [misapplied] |
|
Oxalidaceae |
|
|
Oxalis angustifolia Kunth |
|
Oxalidaceae |
|
