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A new polyploid species of mecardonia (gratioleae, plantaginaceae) from South America
(Magnolia Press, 2017-04-13)
Mecardonia reneeae, a new species from northeastern Argentina, is described and illustrated. This taxon has certain resem-
blance to M. procumbens var. flagellaris, but can be easily distinguished by the combination of ...
Pollen morphology of eight species of stemodia (plantaginaceae) from South America
(Taylor & Francis, 2011-10-25)
The pollen morphology of eight species of Stemodia L. (Plantaginaceae) was analysed with the aim of refining the taxonomy of this genus. The pollen grains were examined with both light and scanning electron microscopes. ...