Gloeocapsa
noun
Gloe·o·cap·sa
ˌglēōˈkapsə
: a genus of unicellular blue-green algae (family Chroococcaceae) inhabiting both fresh and salt water, colonies of some species forming a characteristic dull bluish green film on damp soil (as in tropical greenhouses)
Word History
Etymology
New Latin, from gloeo- + Latin capsa case (box)