Flora of Pennsylvania
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Plants By Category
Common Native Plants
Rare & Vulnerable Plants
Invasive Plants
Vining Plants
Parasitic & Carnivorous
Common Nonnative Plants
Plants By Color
Blue & Lavender Wildflowers
Purple Wildflowers
Red & Pink Wildflowers
Yellow Wildflowers
White Wildflowers
Orange Wildflowers
Green Wildflowers
Contributors
Houstonia
Houstonia
bluet
Herbaceous Plants
>
Wild/Spontaneous
Gentianales
Rubiaceae
>
Houstonia
Houstonia caerulea
(azure bluet)
Azure bluet or quaker ladies is a low-growing …
Houstonia purpurea
(large bluet)
Large bluet is a herbaceous perennial in the …
Houstonia
bluet
Herbaceous Plants
>
Wild/Spontaneous
Gentianales
Rubiaceae
>
Houstonia
Bluet
Purple bluet
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Houstonia
gallery
Common Names
bluet
Rubiaceae
Cephalanthus
Diodia
Galium
Houstonia
Mitchella
Species
Houstonia caerulea
Houstonia purpurea
