APA Citation

Hammel, B. (2015). Three new species of Marcgraviaceae from Costa Rica, with references to related species and notes on the generic placement of Schwartzia jimenezii. Universidad de Costa Rica.

Chicago Style Citation

Hammel, Barry. Three New Species of Marcgraviaceae From Costa Rica, With References to Related Species and Notes On the Generic Placement of Schwartzia Jimenezii. Universidad de Costa Rica, 2015.

MLA Citation

Hammel, Barry. Three New Species of Marcgraviaceae From Costa Rica, With References to Related Species and Notes On the Generic Placement of Schwartzia Jimenezii. Universidad de Costa Rica, 2015.

Warning: These citations may not always be 100% accurate.