Delaware Wildflowers

Common names
Click on a common name for a photo of the plant, or click on a letter for names beginning with that letter.


Oak, Black Quercus velutina
Oak, Chestnut Quercus montana
Oak, Dwarf Chinquapin Quercus prinoides
Oak, White Quercus alba
Old-man-in-the-spring Senecio vulgaris
Olive, Autumn Elaeagnus umbellata
Onion, Meadow Allium canadense var. canadense
Orange, Osage Maclura pomifera
Orange-grass Hypericum gentianoides
Orange-grass Hypericum gentianoides
Orchid, Cranefly Tipularia discolor
Orchid, Grass-pink Calopogon tuberosus var. tuberosus
Orchid, Northern Rein Platanthera flava var. herbiola
Orchid, Purple Fringeless Platanthera peramoena
Orchid, Small Green Woodland Platanthera clavellata
Orchid, Three-birds Triphora trianthophora
Orchis, Green-fringe Platanthera lacera
Orchis, Showy Galearis spectabilis
Orchis, White-fringe Platanthera blephariglottis
Orchis, Yellow-crested Platanthera cristata
Oregon-grape, Beale's Mahonia bealei
Ox-eye Heliopsis helianthoides var. helianthoides

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