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The final determining factor was the capillitium (threads) among the spores were ornamented with spines and ridges. This information was contributed by Dr. Andrew Methven. Please refer to the additional photos in the "Voucher Photos" folder on C drive (esp. photo labeled "202 Arcyria nutans - capillitium 1000x 01.JPG"). The capillitium photos were taken in KOH solution. Dr. Methven, Dr. Sundberg and Jay Justice confirmed the classification. |