Try Mohonk Preserve in New Paltz, New York. Shawangunk Mountains. pronounced(SHWANGUNK) They have a Scientific Center and have recorded data on the Lichen on their rock formations since 1869.The naturalists started by using hand written index cards I give the following information to validate its distinction as a possible resource for you. . First it was entitled "the Trust" then "The Mohonk Preserve" in 1978.. They have major affiliations with universities and other natural science centers. Give the website a look-see; write them a question. They are very responsive. Here is the link: