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No. One example of many: https://www.nps.gov/jotr/learn/nature/cryptocrusts.htm https://www.nps.gov/jotr/learn/nature/cryptocrusts.htm
by ericbarrett 3y ago
No. One example of many: https://www.nps.gov/jotr/learn/nature/cryptocrusts.htm https://www.nps.gov/jotr/learn/nature/cryptocrusts.htm