Vascular vs Nonvascular
Vascular plants can be a seeded or a seedless plant also they can be a Monocot or a Dicot plant. Vascular plants have systems through out the body of the plant and those carry nutrience through the plant kind of like vains in a human body.
This is a Systematic plant
This is a monocot and is vascular
These are Roses
These are moncot and vascular
This is an Gila Wilderness plant
These are Dicot plants,and they are vascular plants
A Nonvascular plant most of the time it will probably be seedless. Moss and Cycad are some examples of Nonvascular plants.Also they are probably going to be Monocot.Also they might not need water. Last they don't have roots or stems.