As we know taxonomy includes many traits, so for the untrained eye is necessary to start with a bit of terminology, at least the basic, for example, bark type, or leaves type, after a certain knowledge of characters it is possible to speak of plant families and they principal traits. Now depending on the detail level can be left at the family level or can go further. Also when making identification more specific more observation is needed for example optic microscope to look at the pollen grains.