Pilularia
Genus of ferns
| Pilularia | |
|---|---|
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| Pillwort, Pilularia globulifera | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Salviniales |
| Family: | Marsileaceae |
| Genus: | Pilularia L. |
| Type species | |
| Pilularia globulifera L. | |
| Species | |
| See text | |
| Synonyms | |
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Pilularia or pillworts is a genus of unusual ferns of family Marsileaceae distributed in North Temperate regions, Ethiopian mountains, and the southern hemisphere in Australia, New Zealand, and western South America.
Depending on the taxonomic revisor, the genus contains between 3 and 6 species of small plants with thread-like leaves, and creeping rhizomes. The sporangia are borne in spherical sporocarps ("pills") which form in the axils of leaves. Pilularia minuta from SW Europe is one of the smallest of all ferns.
List of species
Recent work from Pryer Lab[1] accepted four species of Pilularia, with a fifth, P. novae-zealandiae, being conspecific with P. novae-hollandiae. In addition, another species, P. dracomontana, has been described from South Africa.[2]
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Other species include:
- P. bokkeveldensis Crouch 2012
- P. dracomontana N. R. Crouch & J. Wesley-Smith (Dragon-Mountain pillwort)
- P. ethiopica Eb.Fisch., Killmann, Mark.Ackermann & Yeshitela [5]
References
- ^ Nagalingum, Nathalie S.; et al. (2008). "Assessing phylogenetic relationships in extant heterosporous ferns (Salviniales), with a focus on Pilularia and Salvinia" (PDF). Botanical Journal of the Linnean Society. 157 (4): 673–685. doi:10.1111/j.1095-8339.2008.00806.x. Retrieved 8 October 2014.
- ^ Crouch, N. R. & J. Wesley-Smith. "Pilularia dracomontana, a new species of pillwort from the Kwazulu-Natal Drakensberg, South Africa". Retrieved 8 October 2014.
- ^ Nitta, Joel H.; Schuettpelz, Eric; Ramírez-Barahona, Santiago; Iwasaki, Wataru; et al. (2022). "An Open and Continuously Updated Fern Tree of Life". Frontiers in Plant Science. 13: 909768. doi:10.3389/fpls.2022.909768. PMC 9449725. PMID 36092417.
- ^ "Tree viewer: interactive visualization of FTOL". FTOL v1.4.0 [GenBank release 253]. 2023. Retrieved 8 March 2023.
- ^ Phytotaxa
- UK Biodiversity Action Plan
- Preston, C.D. & Croft, J.M. (1997). Aquatic Plants in Britain and Ireland. Harley Books, pp. 31–32.
External links
Wikimedia Commons has media related to Pilularia.
Wikispecies has information related to Pilularia.
- Pilularia globulifera UK distribution
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Classification of Archaeplastida or Plantae s.l.
- Domain
- Archaea
- Bacteria
- Eukaryota
- (major groups
- Excavata
- Diaphoretickes
- Hacrobia
- Rhizaria
- Alveolata
- Stramenopiles
- Plants
- Amorphea
- Amoebozoa
- Opisthokonta
- Animals
- Fungi)
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Authority control databases: National  |
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