Nacaduba biocellata, the double-spotted line blue, is a butterfly of the family Lycaenidae. It is found in Australia, Singapore, the New Hebrides, Sumba and Bali.

Acacia rigens, commonly known as nealie, is an erect or spreading shrub or small tree that is endemic to Australia. Other common names include needle wattle, needlebush acacia, nealia and nilyah.