Calyceraceae
National Institutes of Health
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The anther, pollen and ovule development in Achillea tenuifolia were studied with a bright field microscopy. Results showed that…
Barreda et al. (1) claim a Cretaceous fossil pollen type is an extinct Asteraceae. Concluding this pollen type is “nested within…
We describe and illustrate two new species of Boopis from Argentina: Boopis pterocalyx (Mendoza province) and Boopis necronensis…
Alpine vegetation occurs over a wide range of ecological conditions. Thus, the breeding systems of alpine plants are likely to be…
The events of 2020 revealed the importance of effective communication in healthcare and the potential for epidemics to inspire…
TherbcL gene of 25 taxa was sequenced and analyzed cladistically in order to define more precisely the orderAsterales s.l. and to…
Embryological studies of Campanulaceae and related families were reviewed to add to discussion of appropriate circumscription of…
Nucleotide sequences of the chloroplast gene rbcL were analyzed to examine relationships among the large, distinctive family…