Conway MacMillan

Heteranthera dubia, commonly called water stargrass or grassleaf mudplantain, is a species of aquatic plant in the pickerel-weed family (Pontederiaceae). It is native to North and Central America where it is widespread from Canada to Guatemala. It lives submerged in freshwater such as rivers and lakes. It can be found as deep as 5.5 meters, to as shallow as stranded on the shoreline. It is most abundant in alkaline waters. Heteranthera dubia is a perennial with much variation in its appearance. The leaves are different sizes and shapes across individuals, partly genetic variation and partly

Lithospermum caroliniense, commonly known as the hairy puccoon or Carolina puccoon or Plains puccoon, is a flowering plant found in the Midwestern United States and Canadian provinces surrounding the Great Lakes. The plant grows in sandhills, pine barrens, and dry, sandy woods.

Mirabilis nyctaginea is a species of flowering plant in the four o'clock family known by several common names, including wild four o'clock, heartleaf four o'clock, and heartleaf umbrella wort. Four-o'-clock is native to the central section of North America, and it occurs elsewhere as an introduced species, including parts of Europe. Its exact native range is obscure, and it is often weedy throughout its range, spreading into disturbed habitat easily. Four-o'-clock is a hairy to hairless perennial herb growing erect to over a meter in maximum height. The leaves are oppositely arranged mainly

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Desmanthus illinoensis, commonly known as Illinois bundleflower, prairie-mimosa or prickleweed, is a common plant in the central and southern United States.