4 Va. Admin. Code § 20-1000-20
The following words and terms when used in this chapter shall have the following meanings unless the context clearly indicates otherwise:
"Areas of submerged aquatic vegetation" means those areas which contain any of the aquatic plant species listed below:
Zostera marina (eelgrass)
Ruppia maritima (widgeon grass)
§ 28.2-201 of the Code of Virginia.
Derived from Virginia Register Volume 14, Issue 12, eff. January 30, 1998.