Poaceae are dominant are estimated to constitute 40.5% of the land area of the Earth, excluding Greenland and Antarctica. Grasses are also an important part of the vegetation in many other habitats, including wetlands, forests and tundra. The Poaceae are the most economically important plant family, providing staple foods from domesticated cereal crops such as maize, wheat, rice, barley, and millet as well as forage, building materials (bamboo, thatch, straw) and fuel (ethanol). Though they are commonly called "grasses", seagrasses, rushes, and sedges fall outside this family. The rushes and sedges are related to the Poaceae, being members of the order
For Better or For Worse gives advice to Elizabeth and Anthony, who are both touched by her devotion to Jim. The strip concluded with Iris saying "It's a promise that should last a lifetime. It defines you as a person and describes your soul. It's a promise to be there, one for the other, no matter what happens, no matter who falls ... For better or for worse, my dears ... for better or for worse". This final daily strip had a message from Lynn Johnston saying, "This concludes my story ... with grateful thanks to everyone who has made this all possible. ~Lynn Johnston".