Silva Maria Pita de Beauclair Guimarães (born 1944), Brazilian phycologist and botanist.

IPNI standard form: S.M.Guim.

Taxon names authored

(List may be incomplete)

• 7 taxon names authored by Silva Maria Pita de Beauclair Guimarães

Publications

(List may be incomplete)

• Guimarães, S.M.P.B., Braga, M.R.A., Cordeiro-Marino, M. & Pedrini, A.G. 1986. Morphology and taxonomy of Jolyna laminarioides, a new member of the Scytosiphonales (Phaeophyceae) from Brazil. Phycologia 25: 99–108, 21 figs.
• Guimarães, S.M.P.B. & Oliveira, E.C. 1996. Taxonomy of the flattened Solieriaceae (Rhodophyta) in Brazil: Agardhiella and Meristiella. Journal of Phycology 32: 656–668. Reference page. 
• Iha, C., O'Shaughnessy, K.A., Guimarães, S.M.P.B., Oliveira, M.C. & Freshwater, D.W. 2016. Taxonomic reappraisal of Gelidium coarctacum (Gelidiales, Rhodophyta) and Gelidium lineare sp. nov. from the tropical western Atlantic. Phycologia 55(5): 555–563. DOI: 10.2216/16-17.1 Reference page. 
• Jesus, P.B., Guimarães, S.M.P. & Nunes, J.M. 2013. Hypnea platyclada, a new species of red alga (Rhodophyta, Cystocloniaceae) from Brazil. Phytotaxa 85(1): 26-34. DOI: 10.11646/phytotaxa.85.1.4 Reference page. 
• Soares, L.P., de Beauclair Guimarães, S.M.P., Fujii, M.T., Yoneshigue-Valentin, Y., Batista, M.G.S. & Yokoya, N.S. 2020. Rhodachlya westii sp. nov. (Rhodachlyales, Rhodophyta), a new species from Brazil, revealed by an integrative taxonomic approach. Phycologia 59(4): 346–354. DOI: 10.1080/00318884.2020.1763771 Reference page.