Sphaeropteris (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sphaeropteris" in English language version.

refsWebsite

Global rank English rank

4harvard.edu

18^th place

17^th place

4doi.org

2^nd place

3nih.gov

4^th place

1kew.org

394^th place

442^nd place

1kit.edu

6,505^th place

9,776^th place

1semanticscholar.org

11^th place

8^th place

1efloras.org

732^nd place

800^th place

1uzh.ch

3,633^rd place

3,091^st place

1researchgate.net

120^th place

125^th place

1ipni.org

3,075^th place

3,035^th place

1nzor.org.nz

low place

1fernphy.github.io

low place

doi.org (Global: 2^nd place; English: 2^nd place)

PPG I (2016), "A community-derived classification for extant lycophytes and ferns", Journal of Systematics and Evolution, 54 (6): 563–603, Bibcode:2016JSyEv..54..563., doi:10.1111/jse.12229, S2CID 39980610
Weigand, Anna & Lehnert, Marcus (2016), "The scaly tree ferns (Cyatheaceae-Polypodiopsida) of Brazil" (PDF), Acta Botanica Brasilica, 30 (3): 336–350, Bibcode:2016AcBBr..30..336W, doi:10.1590/0102-33062016abb0065
Korall, Petra; Conant, David S.; Metzgar, Jordan S.; Schneider, Harald & Pryer, Kathleen M. (2007). "A molecular phylogeny of scaly tree ferns (Cyatheaceae)". American Journal of Botany. 94 (5): 873–886. Bibcode:2007AmJB...94..873K. doi:10.3732/ajb.94.5.873. PMID 21636456. Retrieved 2019-08-22.
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. Bibcode:2022FrPS...1309768N. doi:10.3389/fpls.2022.909768. PMC 9449725. PMID 36092417.

efloras.org (Global: 732^nd place; English: 800^th place)

Zhang, Xianchun & Nishida, Harufumi. "Alsophila". In Wu, Zhengyi; Raven, Peter H. & Hong, Deyuan (eds.). Flora of China (online). eFloras.org. Retrieved 2019-09-27.

fernphy.github.io (Global: low place; English: low place)

"Tree viewer: interactive visualization of FTOL". FTOL v1.7.0 (GenBank release 261). 2024. Retrieved 1 May 2025.

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

PPG I (2016), "A community-derived classification for extant lycophytes and ferns", Journal of Systematics and Evolution, 54 (6): 563–603, Bibcode:2016JSyEv..54..563., doi:10.1111/jse.12229, S2CID 39980610
Weigand, Anna & Lehnert, Marcus (2016), "The scaly tree ferns (Cyatheaceae-Polypodiopsida) of Brazil" (PDF), Acta Botanica Brasilica, 30 (3): 336–350, Bibcode:2016AcBBr..30..336W, doi:10.1590/0102-33062016abb0065
Korall, Petra; Conant, David S.; Metzgar, Jordan S.; Schneider, Harald & Pryer, Kathleen M. (2007). "A molecular phylogeny of scaly tree ferns (Cyatheaceae)". American Journal of Botany. 94 (5): 873–886. Bibcode:2007AmJB...94..873K. doi:10.3732/ajb.94.5.873. PMID 21636456. Retrieved 2019-08-22.
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. Bibcode:2022FrPS...1309768N. doi:10.3389/fpls.2022.909768. PMC 9449725. PMID 36092417.

ipni.org (Global: 3,075^th place; English: 3,035^th place)

"Sphaeropteris Bernh". The International Plant Names Index. Retrieved 2019-09-27.

kew.org (Global: 394^th place; English: 442^nd place)

powo.science.kew.org

"Sphaeropteris Bernh.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2019-08-23

kit.edu (Global: 6,505^th place; English: 9,776^th place)

worldplants.webarchiv.kit.edu

Hassler, Michael & Schmitt, Bernd (June 2019), Checklist of Ferns and Lycophytes of the World, vol. 8, retrieved 2019-08-22

nih.gov (Global: 4^th place; English: 4^th place)

pubmed.ncbi.nlm.nih.gov

Korall, Petra; Conant, David S.; Metzgar, Jordan S.; Schneider, Harald & Pryer, Kathleen M. (2007). "A molecular phylogeny of scaly tree ferns (Cyatheaceae)". American Journal of Botany. 94 (5): 873–886. Bibcode:2007AmJB...94..873K. doi:10.3732/ajb.94.5.873. PMID 21636456. Retrieved 2019-08-22.
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. Bibcode:2022FrPS...1309768N. doi:10.3389/fpls.2022.909768. PMC 9449725. PMID 36092417.

ncbi.nlm.nih.gov

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. Bibcode:2022FrPS...1309768N. doi:10.3389/fpls.2022.909768. PMC 9449725. PMID 36092417.

nzor.org.nz (Global: low place; English: low place)

"Sphaeropteris Bernh.", NZOR New Zealand Organisms Register, retrieved 2025-07-15

researchgate.net (Global: 120^th place; English: 125^th place)

Korall, Petra; Conant, David S.; Metzgar, Jordan S.; Schneider, Harald & Pryer, Kathleen M. (2007). "A molecular phylogeny of scaly tree ferns (Cyatheaceae)". American Journal of Botany. 94 (5): 873–886. Bibcode:2007AmJB...94..873K. doi:10.3732/ajb.94.5.873. PMID 21636456. Retrieved 2019-08-22.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

PPG I (2016), "A community-derived classification for extant lycophytes and ferns", Journal of Systematics and Evolution, 54 (6): 563–603, Bibcode:2016JSyEv..54..563., doi:10.1111/jse.12229, S2CID 39980610

uzh.ch (Global: 3,633^rd place; English: 3,091^st place)

zora.uzh.ch

Weigand, Anna & Lehnert, Marcus (2016), "The scaly tree ferns (Cyatheaceae-Polypodiopsida) of Brazil" (PDF), Acta Botanica Brasilica, 30 (3): 336–350, Bibcode:2016AcBBr..30..336W, doi:10.1590/0102-33062016abb0065

Sphaeropteris (English Wikipedia)

doi.org (Global: 2nd place; English: 2nd place)

efloras.org (Global: 732nd place; English: 800th place)