Description
Orthotrichum callistomum (also called Callisto's star-moss, among many other common names) is a species of moss in the family Orthotrichaceae. It is a small, tufted moss with short, erect stems and small, pointed leaves. It is native to North America and can be found in moist, shady habitats.
Flower, Seeds and Seedlings
The flower of Orthotrichum callistomum is a small, white spike with a single spikelet. The seed is a small, dark brown caryopsis with a single seedling. The seedling is a small, green, unbranched plant.