Saw this same spider with the same egg sack about two weeks ago. The babies are hatching and she appears to have changed color to match the plant as it turns brown and dries out. Her stance was intimidating, ngl.
Second of the two I saw in the same general area. This one had an egg sac and a much smaller abdomen.
First of the few lynxes I saw today. Had webbed up the area but didn’t have an egg sac (yet). Very large abdomen. She was beautiful.