Children (14 direct children, 14 direct and indirect children):
Euphorbia nicaeensis subsp. prostrata
Euphorbia nicaeensis subsp. hispanica
Euphorbia nicaeensis glareosa
Euphorbia nicaeensis cadrilateri
Euphorbia nicaeensis goldei
Euphorbia nicaeensis dobrogensis
Euphorbia nicaeensis demnatensis
Euphorbia nicaeensis nicaeensis
Euphorbia nicaeensis var. lasiocarpa
Euphorbia nicaeensis subsp. maleevii
Euphorbia nicaeensis subsp. stepposa
Euphorbia nicaeensis subsp. volgensis
Euphorbia nicaeensis f. latibracteata
Euphorbia nicaeensis f. varnensis