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
Hypericaceae
Hypericaceae
St. John’s-wort family
Herbaceous Plants
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Wild/Spontaneous
Malpighiales
Hypericaceae
Hypericum
(St. John's-wort)
Triadenum
(marsh St. John's-wort)
Hypericaceae
St. John’s-wort family
Herbaceous Plants
>
Wild/Spontaneous
Malpighiales
Hypericaceae
St. John-Wort
Hypericaceae
gallery
Common Names
St. John’s-wort family
Malpighiales
Annonaceae
Euphorbiaceae
Hypericaceae
Linaceae
Salicaceae
Violaceae
