Ophrys ferrum-equinum subsp. ferrum-equinum f, ‘parnassica’ (synonym: O. mammosa f. parnassica Vierhapper): This form has sepals whitish-green, sometimes washed reddish or pink, ochre petals, entire or slightly trilobed lip. It occurs sporadically alongside the typical form, more often in the Cyclades, where it can form pure populations.