Scientific name begins with:A,
B,
C,
D,
E,
F,
G,
H,
I,
J,
K,
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N,
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Q,
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X,
Y,
Z
Jump to genus: Rainiera,
Ramalina,
Ramaria,
Ramariopsis,
Ranunculus,
Raphanus,
Ratibida,
Reseda,
Rhamnus,
Rhaponticum,
Rheum,
Rhinanthus,
Rhizina,
Rhizocarpon,
Rhizoplaca,
Rhizopogon,
Rhodiola,
Rhodocollybia,
Rhododendron,
Rhodofomes,
Rhus,
Rhynchospora,
Rhytisma,
,
Ribes,
Rickenella,
Rigiopappus,
Rimularia,
Rinodina,
Robinia,
Romanzoffia,
Roridomyces,
Rorippa,
Rosa,
Rotala,
Rubus,
Rudbeckia,
Rufoplaca,
Rumex,
Rupertia,
Ruppia,
Rusavskia,
Russula
Rainiera
Ramalina
Ramaria
Ramariopsis
Ranunculus
Raphanus
Ratibida
Reseda
Rhamnus
Rhaponticum
Rheum
Rhinanthus
Rhizina
Rhizocarpon
Rhizoplaca
Rhizopogon
Rhodiola
Rhodocollybia
Rhododendron
Rhodofomes
Rhus
Rhynchospora
Rhytisma
Ribes
Rickenella
Rigiopappus
Rimularia
Rinodina
Robinia
Romanzoffia
Roridomyces
Rorippa
Rosa
Rotala
Rubus
Rudbeckia
Rufoplaca
Rumex
Rupertia
Ruppia
Rusavskia
Russula