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The study of ferns and other pteridophytes.

[Greek pteris, pterid-, fern (from pteron, feather, wing; see pet- in Indo-European roots) + -logy.]

pter′i·do·log′i·cal (-də-lŏj′ĭ-kəl) adj.
pter′i·dol′o·gist n.
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Noun1.pteridologist - an expert in the study of ferns
expert - a person with special knowledge or ability who performs skillfully
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References in periodicals archive ?
After this military service, he began working in the herbarium of the Institute of Botany of the Chinese Academy of Sciences (CAS) as a trainee, where he studied under the famous Chinese pteridologist, Prof.
William Ralph Maxon (1877-1948), Smithsonian Institution pteridologist, was the author credited this treatment in the Flora.
Boston pteridologist George Franklin Curtiss (1861-1895; Anonymous, 1896) collected in 1893-4 on Andros Island (Britton & Brown, 1920); these specimens are in herbarium F.
The specific epithet honors Benjamin Ollgaard, Danish pteridologist who collected the type and who has made many contributions to the knowledge of Ecuadorian ferns and lycophytes.