Charlesdowniea tenuivirgula subsp. tenuivirgula

subsp. tenuivirgula.  Autonym.  Holotype: Williams and Downie, 1966b, pl.20 (not pl.19), figs.2,4; text-fig.49.  Originally Wetzeliella tenuivirgula subsp. tenuivirgula, subsequently Kisselevia tenuivirgula subsp. tenuivirgula, thirdly (and now) Charlesdowniea tenuivirgula subsp. tenuivirgula. Parent: Charlesdowniea tenuivirgula