In a local publication [1] from a flora survey done at the Upper Thomson Forest in 2012, there was a picture (Figure 3E) that looked similar to this Selaginella species which was identified as Selaginella argentea.

Reference:

[1] Neo L, Yee ATK, Chong KY, Tan HTW. The vascular plant flora of Upper Thomson Forest. Nature in Singapore 2014;7:55-68. | Read article |