Wilhelm Pfeffer (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Wilhelm Pfeffer" in Catalan language version.

refsWebsite

Global rank Catalan rank

3,075^th place

363^rd place

1biodiversitylibrary.org

387^th place

810^th place

biodiversitylibrary.org

Stafleu, Frans Antonie; Cowan, Richard. «Pfeffer, Wilhelm Friedrich Philipp». A: Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types (en anglès). Utrecht: Bohn, Scheltema & Holkema, 1976-1988, p. 218-220.

ipni.org

«Pfeffer, Wilhelm Friedrich Philipp (1845-1920)». Author Details - International Plant Names Index (IPNI).
Es poden consultar els tàxons descrits per aquest autor a International Plant Names Index (anglès)