McM had an aggregate team total of 400 for the day. Green had a 48 on her front nine and a 44 in.
Teammate Courtney Norton went out in 44 and had a 51 on the back nine, for a 95 and tie for 18th place.
Leah Morgan (100) is tied for 23 and Stacey Norton (113) is 34th.
The ASC championships conclude on Tuesday with 18 holes.