Gentianaceae

• Frasera caroliniensis; American Columbo; Native; Photos Phytoimages; USDA Plants

• Obolaria virginica; Pennywort; Native; Photos Phytoimages; USDA Plants

• Sabatia angularis; Rose Gentian (Pink); Native; Photos Phytoimages; USDA Plants

Geraniaceae

• Geranium carolinianum; Carolina Cranesbill; Native; A very common weedy plant in fields and disturbed soil.  Photos Phytoimages; USDA Plants

• Geranium maculatum; Wild Geranium; Native; Photos Phytoimages; USDA Plants

Grossulariaceae

• Ribes missouriense; Missouri Gooseberry; Native; Rare. A small colony occurs along Rocky Bluff Trail. Photos Phytoimages; USDA Plants

Haloragaceae

• Myriophyllum exalbescens; Synonyms: Myriophyllum sibiricum; Spiked Water Milfoil; Native; Photos Phytoimages; USDA Plants

• Myriophyllum spicatum; Amazon Water Milfoil; Introduced (tropics); Locally abundant in all the lakes in the Refuge. Mohlenbrock (2002, 2014) reports it only for Kendall, Lake, and McHenry Counties. This invasive tropical plant obviously has rapidly become a serious problem in the Refuge.  Photos Phytoimages; USDA Plants

Heliotropiaceae (or Boraginaceae)

• Heliotropium indicum; Indian Heliotrope; Introduced (Asia); Uncommon to rare. On dike at west end of Harmony Trail.  Also in A-41 area.There is debate about its provenance: some claim the plant hails from tropical Asia (as its name indicates), others hold that it originates in South America. Photos Phytoimages; USDA Plants

Hydrangeaceae

• Hydrangea arborescens; Wild Hydrangea; Native; Photos Phytoimages; USDA Plants

• Hydrophyllum appendiculatum; Great Waterleaf; Native; Occasional. Occurs along Rocky Bluff Trail. Photos Phytoimages; USDA Plants

Hydrophyllaceae

• Hydrophyllum canadense; Broad-leaved Waterleaf; Native; Photos Phytoimages; USDA Plants

• Phacelia bipinnatifida; Phacelia; Native; Photos Phytoimages; USDA Plants

Hypericaceae

• Hypericum drummondii; Nits-and-Lice; Native; Photos Phytoimages; USDA Plants

• Hypericum gentianoides; Pineweed; Native; Photos Phytoimages; USDA Plants

• Hypericum mutilum; Dwarf (Small-flowered) St. John’s-Wort; Native; Locally common is wet and swampy areas. Photos Phytoimages; USDA Plants

• Hypericum perforatum; Common St. John’s-Wort; Introduced (Europe); Photos Phytoimages; USDA Plants

• Hypericum prolificum; Shrubby St. John’s-Wort; Native; Photos Phytoimages; USDA Plants

• Hypericum punctatum; Spotted St. John’s-Wort; Native; Photos Phytoimages; USDA Plants

• Triadenum walteri; Marsh St. John’s-Wort; Native; Photos Phytoimages; USDA Plants

Iteaceae (or Saxifragaceae)

• Itea virginica; Virginia Sweetspire (Willow); Native; Photos Phytoimages; USDA Plants

Juglandaceae

• Carya cordiformis; Bitternut Hickory; Native; Photos Phytoimages; USDA Plants

• Carya glabra; Pignut Hickory; Native; Photos Phytoimages; USDA Plants

• Carya illinoinensis; Pecan; Native; Photos Phytoimages; USDA Plants

• Carya laciniosa; Shellbark Hickory; Native; Photos Phytoimages; USDA Plants

• Carya ovalis; Small Pignut Hickory; Native; Photos Phytoimages; USDA Plants

• Carya ovata; Shagbark Hickory; Native; Photos Phytoimages; USDA Plants

• Carya texana; Black Hickory; Native; Photos Phytoimages; USDA Plants

• Carya tomentosa; Mockernut Hickory; Native; Photos Phytoimages; USDA Plants

• Juglans cinerea; Butternut; Native; Photos Phytoimages; USDA Plants

• Juglans nigra; Black Walnut; Native; Photos Phytoimages; USDA Plants