What is "lachnocaulon"

Lachnocaulon (bogbutton) is a genus of plants in the Eriocaulaceae. It contains 7 known species, native to Cuba and to the southeastern United States (from Texas to Virginia).

1. Lachnocaulon anceps (Walter) Morong - from Texas to Virginia; Isla de la Juventud in Cuba
2. Lachnocaulon beyrichianum Sporl. ex Körn - Florida, Georgia, Alabama, North and South Carolina
3. † Lachnocaulon cubense Ruhland - Cuba, apparently extinct
4. Lachnocaulon digynum Körn - from eastern Texas to the Florida Panhandle
5. Lachnocaulon ekmanii Ruhland - Cuba
6. Lachnocaulon engleri Ruhland - Florida, southern Alabama
7. Lachnocaulon minus (Chapm.) Small - Florida, Georgia, Alabama, North and South Carolina