| Titre : | Botanical Journal of the Linnean Society 130(2) - 1999-06-01 |
| Type de document : | Bulletin |
| Paru le : | 01/06/1999 |
Dépouillements
Article
Nick Turland, Auteur ;
Estrela Figueiredo, Auteur
Article
M. G. Sajo, Auteur ;
P. J. Rudall, Auteur
Ensiform leaf development in monocotyledons follows a broadly similar sequence in a wide range of relatively unrelated taxa, indicating a plastic developmental pattern, possibly associated with stressed environmental conditions, since Xyris spec[...]
Article
Dianne Edwards, Auteur ;
Charles H. Wellman, Auteur ;
Lindsey Axe, Auteur
Prior to the mid-Silurian, evidence for the earliest embryophytes comes from dispersed spores, particularly permanent tetrads, there being no fossils showing gross morphology or anatomy of the producers. The fragmentary coalified mesofossils des[...]
Article
C. J. Ashcroft, Auteur ;
E. Sheffield, Auteur
A new subspecies of bracken, Pteridium aquilinum subspecies atlanticum, was first described in 1989. The taxon was recognized on the basis of frond morphology, phenology and edaphic preferences. Morphological and edaphic studies were conducted a[...]
