Polygonum Aviculare-POLIG

Potentilla Anserina-POT-A

Pothos Foetida-POTH

Prunella Vulgaris-PRUN-V

Prunus Virginiana-PRUN-V

Ptychopetalum Olacoides-PTYCH-O

Pyrethri Romanae-PYR-R

Quassia-QUAS

Quillaia Saponaria-QUIL-S

Raphanus Sativus Niger-RAPH

Rehmannia Glutinosa-REH-G

Rhamnus Purshiana-RHAM-P

Rhododendron Chrysanthum-RHOD-CH

Robinia Pseudacacia-ROB

Rosmarinus Officinalis-ROS-O

Rubus Idaeus-RUBU-I

Rumex Crispus-RUMX

Ruta Graveolens-RUTA