FROG GREENHOOD Pterostylis sargentii Bolgart, 18 September 1936 (ACC 5448A/31) Pterostylis sargentii C.R.P. Andrews. FROG GREENHOOD Tuberous, perennial herb; 0.1-0.2m high; fl. green, Jul-Nov. Clayey loam. Distribution: ER: COO; SW: AW, ESP, JF, MAL. (G. Paczkowska & A. R. Chapman, p. 89.)