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(Vol.18, 2015-12) Verbesina Tiburonensis (Asteraceae: Heliantheae), A New Species from Isla Tiburón, Gulf of California, Mexico
Verbesina tiburonensis is a new species from Isla Tiburo´ n, Sonora, Mexico. It is closely related to Verbesina palmeri and V. oligocephala both native to Baja California.
(Vol.16, 2013-12) Two New Species Of Wamalchitamia (Asteraceae: Heliantheae) from Oaxaca, Mexico
Two new species of Wamalchitamia are described from Oaxaca, Mexico: W. serboana and W. yautepecana. Photographs of their holotypes are provided and their relationships to yet other species in the genus are discussed. A key ...