APA

Robinson H., Kahn B., .Trinervate leaves, yellow flowers, tailed anthers, and pollen variation in Distephanus cassini (<Vernonieae: Asteraceae>). : .

Chicago

Robinson Harold, Kahn Brian, .Trinervate leaves, yellow flowers, tailed anthers, and pollen variation in Distephanus cassini (<Vernonieae: Asteraceae>). : .

Harvard

Robinson H., Kahn B., .Trinervate leaves, yellow flowers, tailed anthers, and pollen variation in Distephanus cassini (<Vernonieae: Asteraceae>). : .

MLA

Robinson Harold, Kahn Brian, .: . .