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Paeonia californica (California peony)
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Papaver californicum (Fire poppy)
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Pedicularis densiflora (Indian warrior)
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Penstemon centranthifolius (Scarlet bugler)
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Penstemon heterophylla (Foothill penstemon)
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Penstemon spectabilis (Showy penstemon)
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Phacelia cicutaria (Caterpillar phacelia)
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Phacelia grandiflora (Large-flowered phacelia)
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Phacelia imbricata (Mountain phacelia)
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Phacelia minor (Canterbury bells)
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Phacelia parryi (Parry's phacelia)
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Pholistoma auritum (Fiesta flower)
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Pickeringia montana (Chaparral pea)
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Picris echioides* (Bristly ox-tongue)
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Pisum sativum* (Garden pea)
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Plantago erecta (California plantain)
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Plantago lanceolata* (English plantain)
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Plantago major* (Broadleaf or common plantain)
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Platystemon californicus (Cream cups)
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Polygala cornuta (Milkwort)
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Potentilla glandulosa (Sticky cinquefoil)
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Prunus ilicifolia (Hollyleaf cherry)
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