Results 81 to 90 of about 277 (100)

Morpho-molecular analysis of two new species Deconica and Entocybe in Agaricales from Mount Tianmu, China. [PDF]

open access: yesMycoKeys
Shen YY   +8 more
europepmc   +1 more source

A deep-sea hydrothermal vent worm detoxifies arsenic and sulfur by intracellular biomineralization of orpiment (As2S3). [PDF]

open access: yesPLoS Biol
Wang H   +10 more
europepmc   +1 more source
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Transcriptome Analysis of 5-Azacytidine-Treated Sphaeropteris lepiferaGametophytes

Tropical Plant Biology, 2023
Ding Guohua, Baodong Liu, Guohua Ding
exaly   +2 more sources

Morphology of Gametophytes and Young Sporophytes of Sphaeropteris lepifera

open access: yesAmerican 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-
Yao Moan Huang
exaly   +3 more sources

The Tree Fern Highland Lace is a Cultivar of Sphaeropteris cooperi

open access: yesAmerican Fern Journal, 2012
Abstract The tree fern Highland Lace had an unusual introduction into cultivation almost thirty years ago in Eastern Australia and was initially identified as Sphaeropteris tomentosissima (Copel.) R.M.Tryon. Since then, it has been introduced to Europe and the US, and it remains a popular tree fern found in both public and private collections.
Yansura, Daniel G, Hoshizaki, Barbara J
exaly   +4 more sources

Mortoniodendron (Tiliaceae) and Sphaeropteris/Trichipteris (Cyatheaceae) in Cenozoic Deposits of the Gulf-Caribbean Region

open access: yesAnnals 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
exaly   +4 more sources

Ontogeny of the Sporangia of Sphaeropteris cooperi

open access: yesAmerican 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 ...
exaly   +3 more sources

Anatomical Studies of Sphaeropteris and Cnemidaria (Cyatheaceae)

open access: yesAmerican Fern Journal, 1985
Tryon (1970) revised the classification of the family Cyatheaceae and recognized six genera and three principal evolutionary lines among the squamate genera. Sphaeropteris with its undifferentiated (conform) scales represents an evolutionary line and occurs at the base of the squamate genera, while Cnemidaria with its marginate scales is found at the ...
exaly   +3 more sources

SPORE MORPHOLOGY IN THE CYATHEACEAE. II. THE GENERA LOPHOSORIA, METAXYA, SPHAEROPTERIS, ALSOPHILA, AND NEPHELEA

American Journal of Botany, 1976
Scanning electron microscopy and transmitted light microscopy are used in a palynological study of Lophosoria, Metaxya, Sphaeropteris, Alsophila, and Nephelea of the tree fern family Cyatheaceae. The monotypic American genera Lophosoria and Metaxya each have a unique spore morphology which reinforces the taxonomic distinctness of these genera as ...
Gerald J. Gastony, Rolla M. Tryon
exaly   +4 more sources

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