Orchis spitzelii subsp. spitzeli, Sauter ex Koch, 1837

D. M. Moore (ed.), 1980, CCIII Orchidaceae, Flora Europaea, Vol 5: Alismataceae to Orchidaceae, Camebridge: Cambridge University Press, pp. 325-350 : 340

(a) Subsp. spitzelii :

Leaves dull. Outer perianth-segments brownish inside, without spots, without a pale margin. Spur conic-cylindrical, more or less horizontal. 2n = 42.

Throughout the range of the species except Kriti.