Faria Vieira, M., & John Shepherd, G. (2002). Removal and insertion of pollinia in flowers of Oxypetalum (Asclepiadaceae) in southeastern Brazil.
শিকাগো স্টাইলে সাইটেশনFaria Vieira, Milene, এবং George John Shepherd. Removal and Insertion of Pollinia in Flowers of Oxypetalum (Asclepiadaceae) in Southeastern Brazil. 2002.
এমএলএ সাইটেশনFaria Vieira, Milene, এবং George John Shepherd. Removal and Insertion of Pollinia in Flowers of Oxypetalum (Asclepiadaceae) in Southeastern Brazil. 2002.
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