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Publikováno v:
Grana. 54:167-173
John J. Skvarla (*30 March 1935, †2 March 2010) can be numbered among the great actuo-palynologists of the twentieth century. His work is a lasting contribution to our knowledge of the ultrastructu...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d54d67ccc6e48cc61201cbcef226de03
https://doi.org/10.1080/00173134.2015.1048990
https://doi.org/10.1080/00173134.2015.1048990
Publikováno v:
PhytoKeys
PhytoKeys 60: 49-126
PhytoKeys 60: 49-126
Current and previously included members of the Tribe Vernonieae (Asteraceae) of southern Africa are listed in their presently recognized genera with complete synonymies and keys to genera and species. The genus Vernonia, as presently delimited, does
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b60eaa3ed7cb8581e31035e8ac8c5a9
http://europepmc.org/articles/PMC4816990
http://europepmc.org/articles/PMC4816990
Autor:
Harold Robinson, John J. Skvarla
Publikováno v:
PhytoKeys
PhytoKeys, Vol 38, Iss 0, Pp 1-13 (2014)
PhytoKeys 38: 1-13
PhytoKeys, Vol 38, Iss 0, Pp 1-13 (2014)
PhytoKeys 38: 1-13
Pantoporate pollen, which occurs sporadically in the Monocots and Dicots, has now been found in Asteraceae in two apparently related genera of the tribe Vernonieae, Polydora Fenzl and Oocephala H.Rob. Disposition of pores in Polydora seems more asymm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4478e98a409d5f4dee9b311534b0059
https://doi.org/10.3897/phytokeys.38.7495
https://doi.org/10.3897/phytokeys.38.7495
Autor:
Amy K. Buthod, John J. Skvarla
Publikováno v:
Rhodora. 116:63-82
The morphology, taxonomy, ecology, distribution, and conservation status of the Oklahoma narrow endemics, Physaria angustifolia (Brassicaceae/Crucifereae) and Penstemon oklahomensis (Plantanginaceae), are reviewed and supplemented with original polle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::968c86b77b12fbd06078b822b2f3f14b
https://doi.org/10.3119/13-12
https://doi.org/10.3119/13-12
Autor:
John J. Skvarla, Amy K. Buthod
Publikováno v:
Rhodora. 116:41-62
The morphology, taxonomy, ecology, distribution, and conservation status of the Oklahoma endemics, Leavenworthia aurea (Brassicaceae/Crucifereae) and Phlox pilosa subsp. longipilosa (Polemoniaceae) Pennell, are reviewed and supplemented with original
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51b1fb0fbdb2c25370fb7e975906d551
https://doi.org/10.3119/13-11
https://doi.org/10.3119/13-11
Autor:
Stephen Blackmoore, John J. Skvarla
Publikováno v:
Grana. 51:77-83
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4feb06cf6a9b3f9f51b41ec439f78ed6
https://doi.org/10.1080/00173134.2012.661454
https://doi.org/10.1080/00173134.2012.661454
Publikováno v:
Grana. 51:158-179
In this paper, we present advances in studies of Compositae pollen morphology made over the past two years, focusing on the presentation of novel pollen morphological data, the potential systematic implications for presently unplaced taxa, and a bibl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::063162864952c8c6b3ce43f38412c5fb
https://doi.org/10.1080/00173134.2012.668219
https://doi.org/10.1080/00173134.2012.668219
Autor:
Harold Robinson, John J. Skvarla
Publikováno v:
Novon: A Journal for Botanical Nomenclature. 21:251-255
A new genus, Ananthura H. Rob. & Skvarla (Asteraceae, Vernonieae), is described for Vernonia pteropoda Oliv. & Hiern in Oliv. of Central Africa. The genus has broad median shields on the involucral bracts and lophate, strongly tricolporate pollen. It
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aecc4ba5a63154ae0550f71daa98e219
https://doi.org/10.3417/2010062
https://doi.org/10.3417/2010062
Autor:
Harold Robinson, John J. Skvarla
Publikováno v:
Taiwania, Vol 55, Iss 3, Pp 254-272 (2010)
The genera and species of Vernonieae in China are reviewed using revised generic concepts. The recognized genera are Acilepis, Baccharoides, Camchaya, Cyanthillium, Decaneuropsis, Distephanus, Elephantopus, Ethulia, Gymnanthemum, Khasianthus, Monosis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::b161a1ade77c9758bb2770d777c32153
http://tai2.ntu.edu.tw/taiwania/abstract.php?type=abstract&id=1142
http://tai2.ntu.edu.tw/taiwania/abstract.php?type=abstract&id=1142