This native shrub is commonly known as narrow-leaved acacia.
Reported at 0 Fraser Coast localities: .
It has been recorded in the Wide Bay district in the Queensland Herbarium Census but is not listed as occurring in the Fraser Coast region in Queensland Herbarium Wildlife Online.
In the Queensland Nature Conservation Act this taxon is classified as Least Concern.
Under the Federal Environment Protection Biodiversity Conservation Act it is not classified.
Acacia longissima is described as a "higher dicot" in the Leguminosae (Caesalpinioideae, mimosoid clade) family.
Main distribution from Gympie region southwards.
Fraser Coast distribution based on unverified field reports.