On the r/whatsthisplant subreddit, the user showed a picture of the plant and explained that in southwest Florida ... they thought the plant species was Kalanchoe daigremontiana, a succulent ...

Take, for example, the Flapjack plant, Kalanchoe luciae ... agent and master gardener coordinator for the University of Florida’s Institute of Food and Agriculture Science.

Nassau County organizes an Earth Day event to remove invasive plants, focusing on Kalanchoe, with volunteers at American Beach Community Center. Registration is required.