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16 results on '"Semir, João"'

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1. Brazilian Flora 2020: Leveraging the power of a collaborative scientific network

3. Metabolomics and chemophenetics support the new taxonomy circumscription of two South America genera (Barnadesioideae, Asteraceae).

4. Self-incompatibility in Habranthus gracilifolius(Amaryllidaceae): pre- and post-pollination barriers

5. Polyploidy and polyembryony in Anemopaegma(Bignonieae, Bignoniaceae)

6. A new species of Paralychnophora (Asteraceae: Vernonieae), and comments on the identity of Paralychnophora bicolor

7. Infrageneric classification of Calibrachoa(Solanaceae) based on morphological and molecular evidence

8. A revision of Brazilian Dimerostemma (Asteraceae, Heliantheae, Ecliptinae), with a new species and taxonomic adjustments

10. Cytotaxonomic studies in six species of Vernonia(Asteraceae: Vernonieae)

11. Cytotaxonomy of LychnophoraMart. (Asteraceae: Vernonieae: Lychnophorinae) species

12. Low Allozymic Variation in the Bidens pilosa L. Complex (Asteraceae)

13. Chromosome numbers in the genus LychnophoraMart. (Lychnophorinae, Vernonieae, Asteraceae)

14. Temporal variation in pollinarium size after its removal in species of Bulbophyllum: A different mechanism preventing self-pollination in Orchidaceae

15. Reproductive systems and crossing potential in three species ofBulbophyllum (Orchidaceae) occurring in Brazilian ‘campo rupestre’ vegetation

16. Burlemarxia, a new genus of Velloziaceae

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