| Verbatim Directions to Locality: | Larkin's Bluff along Ochlockonee River, 26 miles west of Tallahassee |
| Notes: | Charles B. McDonald - This plant seems intermediate between P. setaceum and P. hydropiperoides. P. setaceum characters include broad leaves, long marginal setae on ocreas, and long pedicels. Ocrea hairs are slightly divergent on some. I would call this plant P. setaceum.
Charles McDonald 13 September 1976
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