Home › Authors › Gerald J. Gastony 👤 Gerald J. Gastony 3 books Books by Gerald J. Gastony Rolla Tryon, Jr. (1916-2001) Rolla Tryon, Jr. (1916-2001) 2002 Spore morphology in the Dickso Spore morphology in the Dicksoniaceae 1981 Spore morphology in the Cyathe Spore morphology in the Cyatheaceae 1979