Pseudaechmea is a genus of the botanical family Bromeliaceae, subfamily Bromelioideae. The genus name is from the Greek pseudos (false) and the genus Aechmea.[1] The genus was established by Lyman Smith and R.W. Read in 1982.[2] The sole species is Pseudaechmea ambigua, treated as a synonym of Billbergia ambigua by Plants of the World Online .