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Siegfried Jost Casper (1929-2021)
Vol 50, Iss 4, Page 165
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My first experience with the genus Pinguicula and the manuscripts of Jost Casper
Vol 50, Iss 4, Page 172
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On the occasion of the death of Prof. Dr. phil. Siegfried Jost Casper (1929-2021)
Vol 50, Iss 4, Page 173
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On the infrageneric classification of Pinguicula
Vol 50, Iss 4, Page 174
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First record of overlap between two species of Pinguicula in the Andean Patagonian forest
Vol 50, Iss 4, Page 189
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Additional features for the recently described Pinguicula (Lentibulariaceae) species from Spain
Vol 50, Iss 4, Page 198
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An interesting example of Pinguicula macroceras from Vancouver Island, Canada
Vol 50, Iss 4, Page 210
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Pinguicula in the Lower 48: Habitat Notes
Vol 50, Iss 4, Page 212
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13th ICPS Conference, May 13-15, 2022, Himeji, Japan
Vol 50, Iss 4, Page 217
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A short profile on Triantha (Nutt.) Baker with a focus on T. occidentalis (S.Watson) R.R. Gates
Vol 50, Iss 4, Page 218
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Obituary: Allen Lowrie 1948-2021
Vol 50, Iss 4, Page 223
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New cultivars
Vol 50, Iss 4, Page 224