Weeds and Invasive Plants in Florida
Crabgrass - Digitaria sp. Several species that are true annuals. Peak germination by early summer. Yellow green leaves rolled in the bud with hairy edges, coarse textured, broad collar, membranous liguile and hairy sheath. Blade flat with sharp point. Seed head composed of three to ten finger like racemes or spikes, may appear purple to tan in color. Plant declines after seeding with shorter days. Eliminated by frost. Occurs all over the U.S., although less in the North than the South. Mostly in full sun.
Matchweed - Phyla nodiflora Matchweed is a mat-forming perennial with opposing leaves on hairy branching stems. Leaves have small teeth at the outer tip. The purple to white flowers emerge around the tip of the seed stalk forming a match-head appearance. Matchweed spreads by both seeds and stolons along prostrate stems.
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