What is "gymnolaena"

Gymnolaena is a genus of Mexican flowering plants in the sunflower family.

1. Gymnolaena chiapasana Strother - Chiapas
2. Gymnolaena oaxacana (Greenm.) Rydb. - Oaxaca, Puebla
3. Gymnolaena serratifolia (DC.) Rydb. - Oaxaca

• Gymnolaena integrifolia (A.Gray) Rydb., Synonym of Comaclinium montanum (Benth.) Strother
• Gymnolaena seleri (B.L.Rob. & Greenm.) Rydb., Synonym of Boeberoides grandiflora (DC.) Strother