Bryophytes.
Moss are non-vascular plants. Moss do not produce seeds and reproduce through spores.
This certain moss is found on trees and can grow in many diverse conditions.
The moss appeared to be a grayish color
Moss is native to North America and can be found growing widely across eastern US and eastern Canada. http://mossplants.fieldofscience.com/2008/05/online-guide-to-north-american-mosses.html
This spanish moss, classfied as a seed plant, was found outside of the Recreation and Wellness Center at USF. Although several mosses are seedless, spanish moss contain seeds, and play a vital role in maintaining a clean environment and supporting several types of wildlife.