Children (16 direct children, 16 direct and indirect children):
Acacia angustissima var. suffrutescens
Prairie acacia
Acacia angustissima subsp. smithii
Acacia angustissima var. chisoiana
Acacia angustissima var. oaxacana
Acacia angustissima var. hirta
Prairie acacia
Acacia angustissima var. texensis
Prairie wattle
Acacia angustissima var. smithii
Acacia angustissima var. shrevei
Shreve's prairie acacia
Acacia angustissima var. cuspidata
Acacia angustissima var. chisosiana
Chisos prairie acacia
Acacia angustissima var. angustissima
Acacia angustissima subsp. suffrutescens
Acacia angustissima subsp. lemmonii
Acacia angustissima subsp. typica
Acacia angustissima var. leucothrix
Acacia angustissima var. filicioides