Cita APA (7a ed.)

Não informado. (1891). Contributions from the Gray Herbarium of Harvard University. Harvard University.

Cita Chicago Style (17a ed.)

Não informado. Contributions from the Gray Herbarium of Harvard University. Cambridge, Mass: Harvard University, 1891.

Cita MLA (8a ed.)

Não informado. Contributions from the Gray Herbarium of Harvard University. Harvard University, 1891.

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