Planar graph
graph that can be embedded in the plane
maximal planar graphs
matchstick graph
Moser spindle
forest
Tadpole graph
tree
butterfly graph
acyclic graph
Golomb graph
Harries–Wong graph
Herschel graph
Wiener-Araya Graph
diamond graph
Tetrahedral graph
polyhedral graph
dipole graph
friendship graph
cycle graph
ladder graph
path graph
wheel graph