Star Plot

http://office.microsoft.com/en-us/excel-help/present-your-data-in-a-radar-chart-HA010218672.aspx

Star plots are a way to show multivariate data on a two dimensional plane that has at least 3 or more variables represented on a axis starting at the same point. This map shows the sales for a garden center over twelve months and how well each plant type sold each month. This qualifies as a star plot map because it shows the multivariate data of all the different sales of the different plant types on a two dimensional map.  

PLSS Map

http://nationalatlas.gov/articles/boundaries/a_plss.html

PLSS maps are used to split public domain lands. They do this to help benefit the citizens in that particular area. Its a way to subdivide and describe land in the united states.
This map conveys the baselines and Principals meridians used to survey the states. This map shows a clear image and idea of how the PLSS system is used to mark out the states of the united states.

FLOW MAP

http://en.wikipedia.org/wiki/Flow_map

A flow map is a map that shows the flow of something, examples are shipment of goods or the movement of people from one place to another. This map conveys the French wine exports from 1864. This map qualifies as a Flow Map because it shows the how the wine was being exported across the world.