Napa County Flora

Genera Beginning with the Letter P

Parvisedum

Paxistima

Pectocarya

Pentachaeta

Perideridia

Petasites

Petrorhagia

Picris

Pityopus

Plagiobothrys

Polycarpon

Polystichum

Psilocarphus

Pteridium

Pyrola

Pyrrocoma