Galanthus nivalis all or most of it. Occasionally plants are found with green markings on the outer surface of the outer tepals. The six long, pointed anthers open by pores or short slits. The ovary is three-celled, ripening into a three-celled capsule. Each whitish seed has a small, fleshy tail (the elaiosome) containing substances attractive to ants which distribute the seeds. The leaves die back a few weeks after the flowers have faded. "G. nivalis" is a cross-pollinating plant, but sometimes self-pollination takes place. It is pollinated by bees. See "Galanthus": Propagation. Snowdrops contain an active substance called galantamine (or galanthamine) which
Flower Garden Banks National Marine Sanctuary including oil and gas extraction, anchoring on the reefs, and harvesting fish, corals and other invertebrates. With passage of the Marine Research and Sanctuaries Act in 1972, researchers began discussing the Flower Garden Banks as a candidate for designation as a National Marine Sanctuary. During the 1980s, recreational divers were also discovering the Flower Garden Banks. The Houston Underwater Club led a movement to have the banks officially designated as sanctuaries by submitting a formal letter of nomination in 1979. Due to a number of issues, eleven years passed before the Flower Garden Banks National Marine Sanctuary was officially established.