Wollemia - Wikipedia
“The discovery, on or about 10 September 1994, by David Noble, Michael Casteleyn and Tony Zimmerman, only occurred because the group had been systematically exploring the area looking for new canyons. Noble had good botanical knowledge, and quickly recognised the trees as unusual because of the unique bark and worthy of further investigation. He took specimens to work for identification, expecting someone to be able to identify the plants. National Parks then went under a veil of secrecy, with the discoverers not learning the full magnitude of their discovery for about six months. ...”
“Before the relict population was discovered in Wollemi National Park, the most recent known fossils of the genus date from approximately 2 million years ago in Tasmania. It is thus described as a living fossil or, alternatively, a Lazarus taxon.