| ASC | densely branching perennial of the eastern United States with white to crimson or purple flowers |
|---|---|
| ASC | milkweed of central North America |
| ASC | perennial of eastern North America having pink-purple flowers |
| ASC | milkweed of southern North America having large starry purple-pink flowers |
| ASC | milkweed of southwestern United States and Mexico |
| ASC | erect perennial of eastern and southern United States having showy orange flowers |
| ASC | milkweed of the eastern United States with narrow leaves in whorls and greenish-white flowers |
| ASC | mature fruiting body of an ascomycetous fungus |
| ASC | (botany) of or relating to ascocarps |
| ASC | a lichen in which the fungus component is an ascomycete |
| ASC | an ascocarp having the spore-bearing layer of cells (the hymenium) on a broad disklike receptacle |
| ASC | any fungus of the class Ascomycetes (or subdivision Ascomycota) in which the spores are formed inside an ascus |