Duckweed meal (dried duckweed) is a good cattle feed. The nitrates are used as food for algae and fertilizer for duckweed. Plants within the park include, sabal palm, live oak, pickerelweed, duckweed, and giant bulrush. Guppy grass, water sprite, water wisteria, duckweed, and java moss are all good choices. Also present are the nationally scarce rootless duckweed "(Wolffia arrhiza)" and hairlike pondweed "(Potamogeton trichoides)". Lemna minuta is a species of duckweed known by the common name least duckweed. Duckweed is an important high-protein food source for waterfowl. Because of the rapid growth of duckweed, daily harvesting is necessary to achieve optimal yields. In 2017, Peng co-starred in Han Han's film "Duckweed" alongside Deng Chao and Zanilia Zhao. Duckweed is also eaten by humans in some parts of Southeast Asia. Furthermore, chemicals used to clean up oil spills may have contributed to the duckweed problem. As of 2007, the duckweed problem continues.