The cross on the bottom
In the middle, under its color
The edge is in the middle layer and its color (green) is already on the green face. A single quarter turn of that face brings it down: F or F' depending on the side.
Bottom
Your status (“Learning” adds it to your reviews)
Algorithm
F
1 moves. The letters stand for the faces: review the notation.
Set up this case
From a solved cube, yellow on top and green in front, do this scramble: you get exactly this case.
F'
The cross on the bottom: other cases
Bring each white edge straight down to its spot, white on the bottom, no daisy.