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Sporophyte morphology and gametophyte development of the fern Blechnum sprucei (Pteridophyta: Blechnaceae)
(Universidad de Costa Rica, 2008)
Ovule and megagametophyte development in selected species of apeibeae and grewieae (malvaceae-grewioideae) from south America and its systematic implications
(CSIRO Publishing, 2016)
This is the first embryological report of the Grewioideae subfamily, which is meant to contribute to the characterisation of the genera Corchorus, Luehea and Triumfetta. Ovule and female gametophyte development in C. ...
Mycorrhizal association in gametophytes and sporophytes of the fern Pteris vittata (Pteridaceae) with Glomus intraradices
(Universidad de Costa Rica, 2012)
Reproductive expression of cheilanthoid ferns (Pteridaceae) from South America
(Elsevier Gmbh, 2017-11)
The characteristics of the reproductive stage of eight neotropical cheilanthoid ferns species, Cheilanthes buchtienii, C. hieronymi, C. obducta, C. pilosa, C. sarmientoi, Gaga marginata, Myriopteris myriophylla, and M. ...
In vitro propagation of Cyathea atrovirens (Cyatheaceae): spore storage and sterilization conditions
(Universidad de Costa Rica, 2014)
Ultrastructural study of the female gametophyte and the epistase in cabombaceae and nymphaeaceae
(Elsevier Gmbh, 2016)
Ultrastructural studies on the female gametophyte are restricted to species at relatively derived positions
in the angiosperm phylogenetic tree. Therefore, this topic remains mostly unknown for the early divergent lineages, ...
The effects of different light intensities on the culture of gigartina skottsbergii (rhodophyta, gigartinales) tetrasporophytes and gametophytes in the magellan region, chile
(SPRINGER, 2014)
Gigartina skottsbergii is a red seaweed used as raw material for extracting carrageenans, constituting an important economic resource for Chile. In 2009, extraction in the Magellan region reached 15,064 t. The growing ...
Pollen grain development and male sterility in the perfect flowers of Maytenus obtusifolia Mart. (Celastraceae)
(Springer, 2019-05-01)
Perfect flowers of Maytenus obtusifolia have partial sterility of pollen grains, resulting in collapsed and developed free microspores. However, the cellular events resulting in partial male sterility have not been determined. ...