Potamogeton lucens
Potamogeton perfoliatus
Potamogeton schweinfurthii
Potentilla montana
Pritzelago alpina subsp. auerswaldii
Prolongoa hispanica
Pseudarrhenatherum pallens
Pulicaria microcephala
Quercus canariensis
Ranunculus abnormis
Ranunculus henriquesii
Ranunculus macrophyllus
Reseda alba subsp. alba
Reseda barrelieri
Reseda gredensis
Rhaponticoides fraylensis
Rhaponticum exaltatum
Rhaponticum longifolium
Rhodalsine geniculata
Rhynchospora alba
Rhynchospora modesti-lucennoi
Rosa rubiginosa
Rubus genevieri
Rumex suffruticosus
Ruppia cirrhosa
Ruppia drepanensis
Ruppia maritima
Ruscus aculeatus
Sagina saginoides
Sagittaria sagittifolia