Sunflower heads can get up to 12 inches in diameter and produce between 1,000 and 2,000 seeds per head. While not all ...
SAN FRANCISCO— Responding to a petition by the Center for Biological Diversity, the National Marine Fisheries Service proposed today to protect imperiled sunflower sea stars as threatened under the ...
and related species. BMC Genomics14:502. Andrew RL, Kane NC, Baute GJ, Grassa CJ, Rieseberg LH. 2013. Recent non-hybrid origin of sunflower ecotypes in a novel habitat. Molecular Ecology. 22:799-813.