Based on the clue 'a citation or comment at the bottom of a page', what is the answer?

Based on the clue 'a circle of mushrooms in a grassy area named for t...', what is the answer? Based on the clue 'a circular band of flowers', what is the answer? Based on the clue 'a circumorbital hematoma is more commonly known as...', what is the answer? What is associated with: a circus formed in the 1930s combined the names of the cole brothers this famous circus figure… Based on the clue 'a citizenship test asks for these 3 enemy countrie...', what is the answer? Based on the clue 'a citrus fruit from sanaa', what is the answer? Based on the clue 'a citrus fruit that emulates marcel marceau', what is the answer? What is associated with: a city island in british columbia are named for this sea captain who explored the area in 1792?