Sigford is a small hamlet in the Parish of Ilsington, on the eastern edge of Dartmoor, Devon, England. It is situated at the confluence of three rivers, although the name of the settlement refers to just one of these, the River Sig. The other two rivers are the Lemon and Langworthy Brook.
Upstream from Sigford on Langworthy Brook are a number of old arsenic and tin mines, and at times the river water can appear bright red.[1]
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[edit]50°33′04″N 3°43′42″W / 50.55111°N 3.72833°W
Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction