| Nome Latino | Nome Comune | Famiglia | |
| | | | |
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Ravenia urbanii Engl. ex Urban |
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Rutaceae |
|
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Ravenia Vell. |
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Rutaceae |
|
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Rayjacksonia annua (Rydb.) R.L. Hartman & M.A. Lane |
|
Asteraceae |
|
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Rayjacksonia aurea (Gray) R.L. Hartman & M.A. Lane |
|
Asteraceae |
|
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Rayjacksonia phyllocephala R.L. Hartman & M.A. Lane |
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Asteraceae |
|
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Rayjacksonia R.L. Hartman & M.A. Lane |
|
Asteraceae |
|
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Rebutia K. Schum. |
Regina della notte |
Cactaceae |
|
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Rectanthera fragrans (Lindl.) O. Deg. |
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Commelinaceae |
|
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Redfieldia flexuosa (Thurb.) Vasey |
Erba della Pampa |
Poaceae |
|
|
Redfieldia Vasey |
Erba della Pampa |
Poaceae |
|
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Regnellidium diphyllum (Lindman) [excluded] |
|
Marsileaceae |
|
|
Regnellidium Lindm. |
|
Marsileaceae |
|
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Rehsonia floribunda (Willd.) Stritch |
Sofora |
Fabaceae |
|
|
Rehsonia sinensis (Sims) Stritch |
Sofora |
Fabaceae |
|
|
Reichardia picroides (L.) Roth |
|
Asteraceae |
|
|
Reichardia Roth |
|
Asteraceae |
|
|
Reichardia tingitana (L.) Roth |
|
Asteraceae |
|
|
Reimaria oligostachya Munro ex Benth. |
Erba della Pampa |
Poaceae |
|
|
Reimarochloa A.S. Hitchc. |
Erba della Pampa |
Poaceae |
|
|
Reimarochloa oligostachya (Munro ex Benth.) A.S. Hitchc. |
Erba della Pampa |
Poaceae |
|
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Relbunium microphyllum (Gray) Hemsl. |
|
Rubiaceae |
|
|
Remirea Aubl. |
Papiro |
Cyperaceae |
|
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Remirea maritima Aubl. |
Papiro |
Cyperaceae |
|
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Remya Hbd. ex Benth. |
|
Asteraceae |
|
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Remya kauaiensis Hbd. |
|
Asteraceae |
|
|
Remya kauaiensis Hbd. var. magnifica O. Deg. & Sherff |
|
Asteraceae |
|
|
Remya kauaiensis Hbd. var. magnifolia O. Deg. & Sherff |
|
Asteraceae |
|
|
Remya mauiensis Hbd. |
|
Asteraceae |
|
|
Remya montgomeryi W.L. Wagner & Herbst |
|
Asteraceae |
|
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Renanthera Lour. |
|
Orchidaceae |
|
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Renanthera monachica Ames |
|
Orchidaceae |
|
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Renealmia alpinia (Rottb.) Maas |
|
Zingiberaceae |
|
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Renealmia antillarua auct. non (Roemer & J.A. Schultes) Gagnepain [misapplied] |
|
Zingiberaceae |
|
|
Renealmia aromatica (Aubl.) Griseb. |
|
Zingiberaceae |
|
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Renealmia exaltata L. f. |
|
Zingiberaceae |
|
|
Renealmia jamaicensis (Gaertn.) Horan. |
|
Zingiberaceae |
|
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Renealmia jamaicensis (Gaertn.) Horan. var. puberula (Gagnepain) Maas |
|
Zingiberaceae |
|
|
Renealmia L. f. |
|
Zingiberaceae |
|
|
Renealmia occidentalis (Sw.) Sweet |
|
Zingiberaceae |
|
|
Renealmia recurvata L. |
Acmea |
Bromeliaceae |
|
|
Renealmia usneoides L. |
Acmea |
Bromeliaceae |
|
|
Reseda alba L. |
|
Resedaceae |
|
|
Reseda L. |
|
Resedaceae |
|
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Reseda lutea L. |
|
Resedaceae |
|
|
Reseda luteola L. |
|
Resedaceae |
|
|
Reseda luteola L. ssp. gussonei (Boiss. & Reut.) Nyman |
|
Resedaceae |
|
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Reseda odorata L. |
|
Resedaceae |
|
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Reseda phyteuma L. |
|
Resedaceae |
|
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Reseda scoparia Brouss. ex Willd. |
|
Resedaceae |
|
|
Restrepiella Garay & Dunst. |
|
Orchidaceae |
|
|
Restrepiella ophiocephala (Lindl.) Garay & Dunsterville [excluded] |
|
Orchidaceae |
|
|
Retama monosperma (L.) Boiss. |
Sofora |
Fabaceae |
|
|
Retama raetam (Forssk.) Webb & Berthel. |
Sofora |
Fabaceae |
|
|
Retama Raf. |
Sofora |
Fabaceae |
|
|
Reussia Endl. |
|
Pontederiaceae |
|
|
Reussia rotundifolia (L. f.) Castell. |
|
Pontederiaceae |
|
|
Reutealis Airy Shaw |
Califfa |
Euphorbiaceae |
|
|
Reutealis trisperma (Blanco) Airy Shaw |
Califfa |
Euphorbiaceae |
|
|
Reverchonia arenaria Gray |
Califfa |
Euphorbiaceae |
|
|
Reverchonia Gray |
Califfa |
Euphorbiaceae |
|
|
Reynosia Griseb. |
Albero dell uva passa |
Rhamnaceae |
|
|
Reynosia guama Urban |
Albero dell uva passa |
Rhamnaceae |
|
|
Reynosia krugii Urban |
Albero dell uva passa |
Rhamnaceae |
|
|
Reynosia septentrionalis Urban |
Albero dell uva passa |
Rhamnaceae |
|
|
Reynosia uncinata Urban |
Albero dell uva passa |
Rhamnaceae |
|
|
Reynoutria baldschuanica (Regel) Shinners |
|
Polygonaceae |
|
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Reynoutria cilinodis (Michx.) Shinners |
|
Polygonaceae |
|
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Reynoutria convolvulus (L.) Shinners |
|
Polygonaceae |
|
|
Reynoutria japonica Houtt. |
|
Polygonaceae |
|
|
Reynoutria sachalinensis (F. Schmidt ex Maxim.) Nakai |
|
Polygonaceae |
|
|
Reynoutria scandens (L.) Shinners |
|
Polygonaceae |
|
|
Reynoutria scandens (L.) Shinners var. cristata (Engelm. & Gray) Shinners |
|
Polygonaceae |
|
|
Reynoutria scandens (L.) Shinners var. dumetorum (L.) Shinners |
|
Polygonaceae |
|
|
Rhabdadenia biflora (Jacq.) Muell.-Arg. |
|
Apocynaceae |
|
|
Rhabdadenia corallicola Small |
|
Apocynaceae |
|