Ed and Lorraine Warren were ghost hunters.
Thelypteris yaucoensis is a rare species of fern known by the common name Puerto Rico maiden fern .. Thelypteris. Thelypteris. fern. fern. Puerto Rico. Puerto Rico. It is endemic to Puerto Rico , where it is known from only three localities .. endemic. Endemism. Puerto Rico. Puerto Rico. It is a federally listed endangered species of the United States .. endangered species. endangered species. This fern was placed on the endangered species list in 1993 .. fern. fern. endangered species. endangered species. At that time it was known to exist at three locations  : two in Yauco and one in Ciales in Puerto Rico .. Puerto Rico. Puerto Rico. Yauco. Yauco, Puerto Rico. Ciales. Ciales, Puerto Rico. There are a total of about 65 plants known at all three combined .. This terrestrial fern has fronds up to 52 centimeters long with the blades divided into 13 to 15 pairs of segments .. fern. fern