Common Muilla
Muilla maritima
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Blair's Stephanomeria
Munzothamnus blairii
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Sierra Sweet Bay
Myrica hartwegii
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Coville's Lipfern
Myriopteris covillei
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Watercress
Nasturtium officinale
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Holly Leaf Navarretia
Navarretia atractyloides
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Hooked Navarretia
Navarretia hamata
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Downy Pincushionplant
Navarretia pubescens
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Skunkbush
Navarretia squarrosa
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Honey Mesquite
Neltuma odorata
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Fivespot
Nemophila maculata
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Baby Blue Eyes
Nemophila menziesii
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Pennie Black Baby Blue Eyes
Nemophila menziesii 'Pennie Black'
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Snow White Baby Blue Eyes
Nemophila menziesii 'Snow White'
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Snowstorm Baby Blue Eyes
Nemophila menziesii 'Snowstorm'
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Baby Blue Eyes
Nemophila menziesii var. atomaria
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Baby Blue Eyes
Nemophila menziesii var. menziesii
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Littlefoot Nemophila
Nemophila pedunculata
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Narrowleaf Mock Goldenweed
Nestotus stenophyllus
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Coyote Tobacco
Nicotiana attenuata
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Desert Tobacco
Nicotiana obtusifolia
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Indian Tobacco
Nicotiana quadrivalvis
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Bigelow's Nolina
Nolina bigelovii
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Dehesa Nolina
Nolina interrata
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Parry's Nolina
Nolina parryi
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Weevil Prairie Dandelion
Nothocalais troximoides
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Tanoak
Notholithocarpus densiflorus
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Tanoak
Notholithocarpus densiflorus var. densiflorus
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Bush Tanoak
Notholithocarpus densiflorus var. echinoides
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Great Yellow Pond-lily
Nuphar polysepala
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Odontostomum
Odontostomum hartwegii
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Pacific Oenanthe
Oenanthe sarmentosa
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California Primrose
Oenothera avita
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California Evening Primrose
Oenothera avita ssp. californica
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Fragrant Evening Primrose
Oenothera cespitosa
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Dune Primrose
Oenothera deltoides
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Antioch Dunes Evening Primrose
Oenothera deltoides ssp. howellii
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Hooker's Evening Primrose
Oenothera elata
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Hairy Evening Primrose
Oenothera elata ssp. hirsutissima
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Hooker's Evening Primrose
Oenothera elata ssp. hookeri
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Desert Ironwood
Olneya tesota
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Beavertail Pricklypear
Opuntia basilaris
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Beavertail Pricklypear
Opuntia basilaris var. basilaris
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Tulip Pricklypear
Opuntia engelmannii
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Pigmy Tuna
Opuntia fragilis
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Coast Prickly Pear
Opuntia littoralis
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Tulip Pricklypear
Opuntia phaeacantha
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Baja California Birdbush
Ornithostaphylos oppositifolia
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Broad Scaled Owl's Clover
Orthocarpus cuspidatus
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Cryptantha Owl's Clover
Orthocarpus cuspidatus ssp. cryptanthus
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Sweet Cicely
Osmorhiza berteroi
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Mountain Sweet Cicely
Osmorhiza occidentalis
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Mountain Sorrel
Oxyria digyna
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Roundleaf Puncturebract
Oxytheca perfoliata
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Boreal Locoweed
Oxytropis borealis
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Viscid Locoweed
Oxytropis borealis var. viscida
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Groundsel
Packera breweri
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Western Paeony
Paeonia brownii
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California Peony
Paeonia californica
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Western Poppy
Papaver californicum