Plant Bros 1

Top row is an opuntia pad (top left) - light green succulent - trifolium (top right)

Bottom row Nacho cactus - Unwelcome roommate cactus - pointy green succulent (middle right) - Canadian maple (bottom right)

Plant bros are an open original species created by https://www.deviantart.com/jamflavoredart

Read about the species here: https://www.deviantart.com/jamflavoredart/art/Plant-Bro-OPEN-Species-Basic-Overview-805455122