Results 121 to 130 of about 428 (130)
Morphology of Gametophytes and Young Sporophytes of Sphaeropteris lepifera
American Fern Journal, 2000 -Sphaeropteris lepifera is one of the largest tree ferns in Taiwan. On average, it produces 50.7 sporangia per sorus, and 64 spores per sporangium. Spore germination, after 2 years of storage at 4?C was over 95%. The pattern of spore germination was "Cyathea-type", and the gametophytes exhibited mainly Drynaria-type development with occasional Adiantum-
Wen-Liang Chiou
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Ontogeny of the Sporangia of Sphaeropteris cooperi
American Fern Journal, 1999 -The ontogeny of the sporangia of Sphaeropteris cooperi was studied using cleared whole mounts of sporangia in different stages as well as sori embedded in paraffin and sectioned. The sporangia develop from a single superficial primordial cell that becomes divided into five initials or "segments." Segment 0, located at the level of the surface ...
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Annals of the Missouri Botanical Garden, 1979 Two previously unidentified palynomorphs are common in Upper Tertiary deposits in the southern Gulf-Caribbean region. One is now identified as pollen of Mortoniodendron (Tiliaceae; Upper Miocene of Veracruz, Mexico, Middle Miocene of Panama, Pleistocene of Panama). The other represents spores of Sphaeropteris/Trichipteris (Cyatheaceae; Upper Miocene of
Alan Graham
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Risk Analysis of Sphaeropteris cooperi for South Africa
2021SANBI (unpublished) Risk Analysis of Sphaeropteris cooperi (F. Muell.) R.M. Tryon for South Africa as per the risk analysis for alien taxa framework v1.1, approved by the South African Alien Species Risk Analysis Review Panel on in October 2018, pp 15, http://dx.doi.org/10.5281/zenodo.5027595.
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Physiologia Plantarum, 1982
During the first 96 h of culture, germinating spores of the fern Sphaeropteris cooperi (F. v. Muell.) Tryon showed a gradual rise in respiratory activity to a maximum of about 6.5 μl 02 h−1 mg−1 dry wt. This was followed by a transitory decline in rate, concluded by a second respiratory rise preceding the emergence of the rhizoid after 192 h of culture.
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During the first 96 h of culture, germinating spores of the fern Sphaeropteris cooperi (F. v. Muell.) Tryon showed a gradual rise in respiratory activity to a maximum of about 6.5 μl 02 h−1 mg−1 dry wt. This was followed by a transitory decline in rate, concluded by a second respiratory rise preceding the emergence of the rhizoid after 192 h of culture.
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American Fern Journal, 2008 (Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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Sphaeropteris tomentosissima (Copel.) R. M. Tryon Cyatheaceae
Ethnobotany of Mountain Regions, 2021Wawan Sujarwo, Ary Prihardhyanto Keim
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