Gleichenia


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Noun1.Gleichenia - type genus of Gleicheniaceae: leptosporangiate ferns with sessile sporangiaGleichenia - type genus of Gleicheniaceae: leptosporangiate ferns with sessile sporangia; South Africa to Malaysia and New Zealand
fern genus - genera of ferns and fern allies
family Gleicheniaceae, Gleicheniaceae - a family of ferns belonging to order Filicales
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En trabajos previos sobre el estudio de los gametofitos, se reporta una germinacion de tipo Gleichenia para Gleichenia pectinata y G.
Middleton, plantulas de Fitzroya cupressoides y el helecho Gleichenia quadripartita (Poiret) T.
8 Quaternary pollen Picea -- -- -- Pinus 1 -- 11 Betula -- -- -- Alnus -- -- -- Quercus -- -- -- Tilia -- -- -- Salix -- -- -- Chenopodiaceae -- -- 1 Artemisia -- -- -- Eurotia ceratoides -- -- -- Hippophae rhamnoides -- -- -- Polygonaceae -- -- -- Sphagnum 1 1 1 Polypodiaceae -- 1 -- Bryales -- -- -- Unidentified -- -- -- Pre-Quaternary polynomorphs Mesozoic Gleichenia -- -- -- Mohria -- -- -- Carboniferous Eupicea -- -- -- Trilobozonotriletes -- 1 -- Trematozonotriletes -- -- -- Euryzonotriletes -- -- -- Devonian Veryachium -- -- -- Hymenozonotriletes -- -- -- perpusillus Pre-Cambrian to Silurian Acritarchs -- -- -- Unidentified 3 2 1 Number of findings Depth, m 13.
They include palynological indicators of savanna communities such as Gleichenia linearis, Lycopodium cernuum and Poaceae (grasses; the pollen of individual grass species is not usually identifiable), which make their first 'significant' appearance in the Pago and IARII Laguas cores at about the same time as the earliest charcoal particles, between 4800 and 3300 calBP (Athens and Ward 2004a:Figs.
Predominavam Alsophila, Anogramma, Anemia, Blechnum, Botrychium, Cyathaceae, Dicksonia, Dicranoglossum, Gleichenia, Lophosoria, Lycopodiella, Lycopodium, Marratiaceae, Microgramma, Osmunda, Pterideae e Selaginella.
the fern, Gleichenia linearis; or the edible fern shoot, Dryopteris cochleata
This type of colonization has also been found in Gleichenia bifida (Schmid & Oberwinkler 1995).
1987) senalaron que generalmente los helechos Dicranopteris dichotoma, Gleichenia japonica y Struthiopteris niponica acumulaban ETR, alcanzandose una concentracion de La de 980mg x [kg.
Spores of the swamp taxa Cyperaceae (sedges), Gleichenia (a ground fern) and Restionaceae are very numerous.