Weeds of Wednesday: Where Have All the Bidens Gone?

Usually, common beggarticks (Bidens alba) is abundant -- along roadsides, mosquito control dikes, and in other disturbed places. Not so much this year, though. Perhaps, the lack of rainfall this year explains its relative absence. Common beggarticks are an annual…

Weeds of Wednesday: Common dayflower

Terry Greene (Class of 2019) asked about this tiny blue-flowered plant that we saw at Treasure Shores Park growing amid beach dune sunflower (Helianthus debilis).  It is a dayflower, most likely common dayflower (Commelina communis).  Each flower lasts only a…

Weeds of Wednesday: A Tale of 3 Solanums

Invasive exotic pest plants plague natural areas, ornamental landscapes, agricultural operations, and pastures.  Pictured above is tropical soda apple (Solanum viarum), which we saw when we visited Treasure Hammock Ranch on 3-3-2019.  This heavily armed & sun-loving weed of pastures…