Biology:Plenasium
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Short description: Genus of ferns
| Plenasium | |
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| Plenasium vachellii (syn. Osmunda vachellii) in the Shing Mun Arboretum, Hong Kong | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Osmundales |
| Family: | Osmundaceae |
| Genus: | Plenasium C.Presl[1] |
| Type species | |
| Plenasium banksiifolium (Presl) Presl
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| Species | |
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See text. | |
| Synonyms | |
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Plenasium is a genus of ferns in the family Osmundaceae.[1] It is recognized in the Pteridophyte Phylogeny Group classification of 2016 (PPG I),[2] but kept within a more broadly circumscribed genus Osmunda by other sources.[3] The genus is known from Early Cretaceous to present.[4]
Taxonomy
(As of October 2019), the Checklist of Ferns and Lycophytes of the World accepted the following four species:[1]
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The following fossil species are also accepted.[4]
- †P. arnoldii (C.N.Mill. 1967) Bomfleur, Grimm & McLoughlin 2017
- †P. bransonii (Tidwell & Medlyn, 1991) Bomfleur, Grimm & McLoughlin 2017 (?Eocene: New Mexico, USA).
- †P. burgii (Tidwell & J.E.Skog, 2002) Bomfleur, Grimm & McLoughlin 2017 (Early Cretaceous: Nebraska, USA).
- †P. chandleri (Arnold 1952) Bomfleur, Grimm & McLoughlin
- †P. crossii (Tidwell & L.R.Parker, 1987) Bomfleur, Grimm & McLoughlin 2017 (Paleocene: Wyoming, USA).
- †P. dakotense (Tidwell & J.E.Skog, 2002) Bomfleur, Grimm & McLoughlin 2017 (Early Cretaceous: South Dakota, USA).
- †P. dowkeri (Carruthers 1870) Bomfleur, Grimm & McLoughlin 2017
- †P. moorei (Tidwell & Medlyn, 1991) Bomfleur, Grimm & McLoughlin 2017 (?Eocene: New Mexico, USA).
- †P. nebraskense (Tidwell & J.E.Skog, 2002) Bomfleur, Grimm & McLoughlin 2017 (Early Cretaceous: Nebraska, USA).
- †P. (Aurealcaulis) elegans Hiller et al. 2019 (Eocene, Vietnam)[7]
- †P. (Plenasium) xiei Cheng et al. 2019 (Late Cretaceous, Northeastern China)[8]
References
- ↑ 1.0 1.1 1.2 Hassler, Michael; Schmitt, Bernd (August 2019), "Plenasium", Checklist of Ferns and Lycophytes of the World, Version 8.10, https://worldplants.webarchiv.kit.edu/ferns/, retrieved 2019-10-01
- ↑ PPG I (2016), "A community-derived classification for extant lycophytes and ferns", Journal of Systematics and Evolution 54 (6): 563–603, doi:10.1111/jse.12229
- ↑ "Plenasium C.Presl", Plants of the World Online (Royal Botanic Gardens, Kew), https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:17177990-1, retrieved 2019-10-01
- ↑ 4.0 4.1 Bomfleur, Benjamin; Grimm, Guido W.; McLoughlin, Stephen (2017-07-11). "The fossil Osmundales (Royal Ferns)—a phylogenetic network analysis, revised taxonomy, and evolutionary classification of anatomically preserved trunks and rhizomes" (in en). PeerJ 5: e3433. doi:10.7717/peerj.3433. ISSN 2167-8359. PMID 28713650.
- ↑ Nitta, Joel H.Expression error: Unrecognized word "et". (2022). "An Open and Continuously Updated Fern Tree of Life". Frontiers in Plant Science 13: 909768. doi:10.3389/fpls.2022.909768. PMID 36092417.
- ↑ "Tree viewer: interactive visualization of FTOL". 2022. https://fernphy.github.io/viewer.html.
- ↑ Hiller, P.; Böhme, M.; Schneider, S.; Prieto, J.; Bomfleur, B. (2020-04-17). "Plenasium (Aurealcaulis) elegans sp. nov. from the Eocene of Vietnam – a connecting link in the evolution of modern Royal Ferns (Osmundeae, Osmundaceae)". Journal of Systematic Palaeontology 18 (8): 703–715. doi:10.1080/14772019.2019.1683771. ISSN 1477-2019. https://doi.org/10.1080/14772019.2019.1683771.
- ↑ Cheng, Ye-Ming; Liu, Feng-Xiang; Tian, Ning; Jin, Yue-Gao; Sun, Tong-Xing (2021). "Plenasium xiei sp. nov. from the Cretaceous of Northeast China: Additional evidence for the longevity of osmundaceous ferns" (in en). Journal of Systematics and Evolution 59 (2): 375–387. doi:10.1111/jse.12532. ISSN 1759-6831. https://onlinelibrary.wiley.com/doi/abs/10.1111/jse.12532.
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