APA (7th ed.) Citation

Lorence, D. (2009). Lectotypification of Didymaea mexicana Hook. f. (Rubiaceae, Rubieae) and the identity of D. alsinoides (Schltdl. & Cham.) Standl. Instituto de Ecología, A.C.

Chicago Style (17th ed.) Citation

Lorence, David. Lectotypification of Didymaea Mexicana Hook. F. (Rubiaceae, Rubieae) and the Identity of D. Alsinoides (Schltdl. & Cham.) Standl. Instituto de Ecología, A.C, 2009.

MLA (9th ed.) Citation

Lorence, David. Lectotypification of Didymaea Mexicana Hook. F. (Rubiaceae, Rubieae) and the Identity of D. Alsinoides (Schltdl. & Cham.) Standl. Instituto de Ecología, A.C, 2009.

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