Tropical Mexican clover in the circle. The Largeflower clover is the most common onsite. This species has very small flowers and hairs are present uniformly on the leaves.

First picture through a 10x lens.

• starting to bud
• opposite leaf arrangements
• compound morphology
• tips of leaves are whitish/ faded green/ faint orange
• small, new plant
• found at a park
• these plants can be found in: North and South America, Africa, Australia, and New Zeland
•invasive species

References:
https://plants.ces.ncsu.edu/plants/poa-annua/

https://www.cabi.org/isc/datasheet/42485#:~:text=Top%20of%20page-,P.,to%201200%20m%20in%20elevation.