Though not originally native to the state, the Black-Eyed Susan became the "Floral Emblem" of Maryland in 1918 due to its widespread growth throughout the state and its similarity to the state flag.

The Baltimore Oriole is a small, black and yellow bird native to all of North America which migrates yearly to Central and South America. It is named not for the city of Baltimore, but for Lord Baltimore, because the color of its plumage matched his coat-of-arms.

Bred to help hunters go after waterfowl in cold and rainy weather, the Chesapeake Bay Retriever, or "Chessie," is considered the most intelligent breed of retriever.

The Rockfish, or Striped Bass, is found from Florida to Nova Scotia but is particularly common in the Chesapeake Bay, where it has become a very popular fish for sport fishing. They can grow to be four feet long and over 50 pounds.

The White Oak is common all throughout eastern North America and is an excellent shade tree. The most famous in Maryland was the Wye Oak, which lived for 500 years before it fell in a storm in 2002.

The Diamondback Terrapin was once considered a delicacy, and was hunted nearly to extinction. Today it is a protected species. In addition to being the state reptile, it is also the mascot of the University of Maryland.