Mycopteris, a new neotropical genus of grammitid ferns (Polypodiaceae)

Sundue, Michael

doi:10.1007/s12228-013-9322-0

Cited by 18 publications

(14 citation statements)

References 14 publications

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“…The most prominent fungal association known in the Polypodiaceae is with the ascomycete Acrospermum maxonii , which occurs on approximately 45 species in the family. The relationship is most developed in Ascogrammitis and Mycopteris , where mycelia and fruiting bodies of the fungus are always found (Sundue , ); A. maxonii is also associated with some species of Pleopeltis and Campyloneurum (Doyle et al. ).…”

Section: Discussionmentioning

confidence: 99%

“…The remaining species are referred to as the “polypods.” Morphological innovations in the family are remarkable; they include multiple independent origins of humus‐collecting leaves (Hennipman and Roos ; Roos ), symbioses with ants (Gomez ; Gay , ; Haufler et al. ) associations with epibiotic fungi (Sundue , b, ), chlorophyll‐bearing spores (Wagner ; Sundue et al. ), CAM photosynthesis (Winter et al ; Rut et al.…”

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confidence: 99%

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Morphological innovation, ecological opportunity, and the radiation of a major vascular epiphyte lineage

2015

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The emergence of angiosperm-dominated tropical forests in the Cretaceous led to major shifts in the composition of biodiversity on Earth. Among these was the rise to prominence of epiphytic plant lineages, which today comprise an estimated one-quarter of tropical vascular plant diversity. Among the most successful epiphytic groups is the Polypodiaceae, which comprises an estimated 1500 species and displays a remarkable breadth of morphological and ecological diversity. Using a time-calibrated phylogeny for 417 species, we characterized macroevolutionary patterns in the family, identified shifts in diversification rate, and identified traits that are potential drivers of diversification. We find high diversification rates throughout the family, evidence for a radiation in a large clade of Paleotropical species, and support for increased rates of diversification associated with traits including chlorophyllous spores and noncordiform gametophytes. Contrary to previous hypotheses, our results indicate epiphytic species and groups with humus-collecting leaves diversify at lower rates than the family as a whole. We find that diversification rates in the Polypodiaceae are positively correlated with changes in elevation. Repeated successful exploration of novel habitat types, rather than morphological innovation, appears to be the primary driver of diversification in this group.

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%

Morphological innovation, ecological opportunity, and the radiation of a major vascular epiphyte lineage

2015

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“…Type: Mycopteris taxifolia (L.) Sundue (≡ Polypodium taxifolium L.). Circumscription sensu Sundue () and Sundue et al (). Monophyletic (Sundue et al, ).…”

Section: Classificationmentioning

confidence: 99%

A community‐derived classification for extant lycophytes and ferns

2016

J of Sytematics Evolution

1,112

273

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Phylogeny has long informed pteridophyte classification. As our ability to infer evolutionary trees has improved, classifications aimed at recognizing natural groups have become increasingly predictive and stable. Here, we provide a modern, comprehensive classification for lycophytes and ferns, down to the genus level, utilizing a community‐based approach. We use monophyly as the primary criterion for the recognition of taxa, but also aim to preserve existing taxa and circumscriptions that are both widely accepted and consistent with our understanding of pteridophyte phylogeny. In total, this classification treats an estimated 11 916 species in 337 genera, 51 families, 14 orders, and two classes. This classification is not intended as the final word on lycophyte and fern taxonomy, but rather a summary statement of current hypotheses, derived from the best available data and shaped by those most familiar with the plants in question. We hope that it will serve as a resource for those wanting references to the recent literature on pteridophyte phylogeny and classification, a framework for guiding future investigations, and a stimulus to further discourse.

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“…(2018) claim that Chistenhusz & al. (2018) are destabilizing fern taxonomy, ignoring the fact that PPG I (2016) enshrined from previous publications an equally "unprecedented" number of new genera, newly recircumscribed genera and new combinations in many groups of ferns: Blechnum, 13 genera, 179 species name changes (Gasper & al., 2016); Grammitis, 33 genera, 868 name changes (Smith, 1993;Labiak & al., 2010;Kessler & al., 2011;Labiak, 2011;Sundue, 2014; among many); Osmunda, 2 genera, 5 name changes (Metzgar & al., 2018); and Trichomanes, 7 genera, 65 name changes plus resurrection of 54 old combinations in genera not used since the 19th Century (Ebihara & al., 2006), to name a few. Also, 310 combinations have not yet been made to comply with PPG I (Hassler & Schmitt, 2018), making the classification difficult to apply.…”

Section: Splitting For the Sake Of Splittingmentioning

confidence: 99%