| Lateinischer name | Allgemeiner name | Familie | ||
| Oakesiella floridana (Chapman) Small | >>Uvularia floridana |
Liliaceae |
||
| Oakesiella puberula (Michx.) Small | >>Uvularia puberula |
Liliaceae |
||
| Oakesiella sessilifolia (L.) S. Wats. | >>Uvularia sessilifolia |
Liliaceae |
||
| Oberna commutata (Guss.) S. Ikonnikov | >>Silene vulgaris |
Caryophyllaceae |
||
| Obolaria L. | obolaria |
Gentianaceae |
||
| Obolaria virginica L. | Virginia pennywort |
Gentianaceae |
||
| Oceanorus leimanthoides (Gray) Small | >>Zigadenus leimanthoides |
Liliaceae |
||
| Ochna jabotapita L. | bird s-eye bush |
Ochnaceae |
||
| Ochna kirkii D. Oliver | >>Ochna thomasiana |
Ochnaceae |
||
| Ochna L. | ochna |
Ochnaceae |
||
| Ochna mossambicensis Klotzsch | African bird s-eye bush |
Ochnaceae |
||
| Ochna serrulata (Hochst.) Walp. | Mickey Mouse plant |
Ochnaceae |
||
| Ochna thomasiana Engl. & Gilg | Thomas bird s-eye bush |
Ochnaceae |
||
| Ochrocodon pudicus (Pursh) Rydb. | >>Fritillaria pudica |
Liliaceae |
||
| Ochrosia compta K. Schum. | holei |
Apocynaceae |
||
| Ochrosia elliptica Labill. | elliptic yellowwood |
Apocynaceae |
||
| Ochrosia forbesii St. John | >>Ochrosia compta |
Apocynaceae |
||
| Ochrosia haleakalae St. John | island yellowwood |
Apocynaceae |
||
| Ochrosia hamakuaensis St. John | >>Ochrosia haleakalae |
Apocynaceae |
||
| Ochrosia holei St. John | >>Ochrosia compta |
Apocynaceae |
||
| Ochrosia Juss. | yellowwood |
Apocynaceae |
||
| Ochrosia kauaiensis St. John | Kauai yellowwood |
Apocynaceae |
||
| Ochrosia kilaueaensis St. John | Hawai i yellowwood |
Apocynaceae |
||
| Ochrosia konaensis St. John | >>Ochrosia kilaueaensis |
Apocynaceae |
||
| Ochrosia kondoi St. John | >>Ochrosia compta |
Apocynaceae |
||
| Ochrosia lamoureuxii St. John | >>Ochrosia compta |
Apocynaceae |
||
| Ochrosia mariannensis A. DC. | Apocynaceae |
|||
| Ochrosia microcalyx St. John | >>Ochrosia compta |
Apocynaceae |
||
| Ochrosia sandwicensis auct. non A. DC. [misapplied] | >>Ochrosia compta |
Apocynaceae |
||
| Ochthochloa compressa (Forssk.) Hilu | Poaceae |
|||
| Ochthochloa Edgew. | Poaceae |
|||
| Ocimum americanum auct. | >>Ocimum canum |
Lamiaceae |
||
| Ocimum americanum L. | >>Ocimum basilicum |
Lamiaceae |
||
| Ocimum basilicum L. | sweet basil |
Lamiaceae |
||
| Ocimum campechianum P. Mill. | least basil |
Lamiaceae |
||
| Ocimum canum Sims | hoary basil |
Lamiaceae |
||
| Ocimum gratissimum L. | African basil |
Lamiaceae |
||
| Ocimum kilimandscharicum Guerke | hoary basil |
Lamiaceae |
||
| Ocimum L. | basil |
Lamiaceae |
||
| Ocimum micranthum Willd. | >>Ocimum campechianum |
Lamiaceae |
||
| Ocimum sanctum L. | >>Ocimum tenuiflorum |
Lamiaceae |
||
| Ocimum tenuiflorum L. | holy basil |
Lamiaceae |
||
| Ocimum viride Willd. | >>Ocimum gratissimum |
Lamiaceae |
||
| Oclemena acuminata (Michx.) Greene | whorled wood aster |
Asteraceae |
||
| Oclemena Greene | aster |
Asteraceae |
||
| Oclemena nemoralis (Ait.) Greene | bog aster |
Asteraceae |
||
| Oclemena reticulata (Pursh) Nesom | pine barren whitetop aster |
Asteraceae |
||
| Oclemena ×blakei (Porter) Nesom [acuminata × nemoralis] | Asteraceae |
|||
| Ocotea Aubl. | sweetwood |
Lauraceae |
||
| Ocotea coriacea (Sw.) Britt. | >>Nectandra coriacea |
Lauraceae |
||
| Ocotea cuneata (Griseb.) Urban | >>Ocotea nemodaphne |
Lauraceae |
||
| Ocotea floribunda (Sw.) Mez | laurel espada |
Lauraceae |
||
| Ocotea foeniculacea Mez | black sweetwood |
Lauraceae |
||
| Ocotea foetens (Aiton) Baill. | Lauraceae |
|||
| Ocotea globosa (Aubl.) Schlecht. & Cham. | >>Nectandra hihua |
Lauraceae |
||
| Ocotea krugii (Mez) Howard | >>Nectandra krugii |
Lauraceae |
||
| Ocotea leucoxylon (Sw.) De Laness. | loblolly sweetwood |
Lauraceae |
||
| Ocotea membranacea (Sw.) Howard | >>Nectandra membranacea |
Lauraceae |
||
| Ocotea moschata (Pavón ex Meisn.) Mez | nemoca |
Lauraceae |
||
| Ocotea nemodaphne Mez | laurel sassafras |
Lauraceae |
||
| Ocotea patens (Sw.) Nees | >>Nectandra patens |
Lauraceae |
||
| Ocotea portoricensis Mez | laurel de paloma |
Lauraceae |
||
| Ocotea sintenisii (Mez) Alain | >>Nectandra turbacensis |
Lauraceae |
||
| Ocotea spathulata Mez | nemoca cimarrona |
Lauraceae |
||
| Ocotea wrightii (Meisn.) Mez | Wright s laurel canelon |
Lauraceae |
||
| Octadesmia montana (Sw.) Benth. | >>Dilomilis montana |
Orchidaceae |
||
| Odontites Ludwig | odontites |
Scrophulariaceae |
||
| Odontites serotinus Dumort. | >>Odontites vernus ssp. serotinus |
Scrophulariaceae |
||
| Odontites vernus (Bellardi) Dumort. | red bartsia |
Scrophulariaceae |
||
| Odontites vernus (Bellardi) Dumort. ssp. serotinus (Syme) Corb. | red bartsia |
Scrophulariaceae |
||
| Odontites vulgaris Moench | >>Odontites vernus ssp. serotinus |
Scrophulariaceae |
||
| Odontoglossum H.B. | odontoglossum |
Orchidaceae |
||
| Odontoglossum triumphans Rchb. F. & Warsz. | Orchidaceae |
|||
| Odontonema cuspidatum (Nees) Kuntze | mottled toothedthread |
Acanthaceae |
||
| Odontonema Nees | toothedthread |
Acanthaceae |