Hellebore (English Wikipedia)

"ashwoodnurseries.com". ashwoodnurseries.com. Retrieved 2 August 2012.
"Hellebores: Ashwood Garden Hybrids". Ashwoodnurseries.com. Retrieved 2 August 2012.

biodiversitylibrary.org

Linnaeus, Carolus (1753). "Tomus I". Species Plantarum (in Latin). Vol. 1. Stockholm: Laurentii Salvii. p. 557.

books.google.com

Olson, Kent R., Poisoning & Drug Overdose, p312 at Google Book Search, accessed 12 January 2009
Smolinske, Susan C., Toxicity of Houseplants, pp38, 153 at Google Book Search, accessed 12 January 2009
Olson, Kent R, Poisoning & Drug Overdose, p309 at Google Book Search, accessed 12 January 2009

britannica.com

"Christmas Rose". Retrieved 18 June 2014.

columbiatribune.com

"Hellebore make for an enchanting addiction". Retrieved 18 June 2014.

cornell.edu

ansci.cornell.edu

"Helleborus niger - Christmas Rose". Retrieved 9 June 2014.

poisonousplants.ansci.cornell.edu

"Helleborus niger - Christmas Rose". Cornell University, College of Agriculture and Life Sciences.

derbyshiregarden.com

"Double Hellebores". Archived from the original on 11 May 2008. Retrieved 9 October 2007.

doi.org

Meiners, Julia; Debener, Thomas; Schweizer, Guenther; Winkelmann, Traud (February 2011). "Analysis of the taxonomic subdivision within the genus Helleborus by nuclear DNA content and genome-wide DNA markers". Scientia Horticulturae. 128 (1): 38–47. doi:10.1016/j.scienta.2010.12.011.
Werner, Klaus; Ebel, Friedrich (June 1994). "Zur Lebensgeschichte der Gattung Helleborus L. (Ranunculaceae)" [Life history of the genus Hellehorus L. (Ranunculaceae)]. Flora (in German). 189 (2): 97–130. doi:10.1016/S0367-2530(17)30578-9.
Rottensteiner, W. (1 April 2016). "Attempt Of A Morphological Differentiation Of Helleborus Species In The Northwestern Balkans". Modern Phytomorphology. 9 (Suppl): 17–33. doi:10.5281/zenodo.159701.
Valenzuela, Isabel; Carver, Mary; Malipatil, Mallik B; Ridland, Peter M (May 2009). "Occurrence of Macrosiphum hellebori Theobald & Walton (Hemiptera: Aphididae) in Australia". Australian Journal of Entomology. 48 (2): 125–129. doi:10.1111/j.1440-6055.2009.00696.x.
Meiners, Julia; Winkelmann, Traud (October 2011). "Morphological and Genetic Analyses of Hellebore Leaf Spot Disease Isolates from Different Geographic Origins Show Low Variability and Reveal Molecular Evidence for Reclassification into Didymellaceae: Variability of Hellebore Leaf Spot Disease". Journal of Phytopathology. 159 (10): 665–675. doi:10.1111/j.1439-0434.2011.01823.x.
Shiraishi, Takuya; Hoshi, Hideo; Eimori, Koki; Kawanishi, Takeshi; Komatsu, Ken; Hashimoto, Masayoshi; Maejima, Kensaku; Yamaji, Yasuyuki; Namba, Shigetou (July 2011). "First report of Helleborus net necrosis virus isolated from hellebores with black death syndrome in Japan". Journal of General Plant Pathology. 77 (4): 269–272. Bibcode:2011JGPP...77..269S. doi:10.1007/s10327-011-0321-2. S2CID 29088363.
Taylor, Robert K.; Romberg, Megan K.; Alexander, Brett J. R. (December 2011). "A bacterial disease of hellebore caused by Pseudomonas viridiflava in New Zealand". Australasian Plant Disease Notes. 6 (1): 28–29. Bibcode:2011AuPDN...6...28T. doi:10.1007/s13314-011-0010-1. S2CID 7467719.
Tasca, C.; Rapetti, M.; Carta, M. G.; Fadda, B. (2012). "Women and Hysteria in the History of Mental Health". Clinical Practice and Epidemiology in Mental Health. 8: 110–119. doi:10.2174/1745017901208010110. PMC 3480686. PMID 23115576.

etymonline.com

"hellebore (n.)". Online Etymology Dictionary. Douglas Harper. 2001. Retrieved 5 September 2024.

greekgodsandgoddesses.net

"Heracles Heracles • Facts and Information on the Greek Hero Heracles".

harvard.edu

ui.adsabs.harvard.edu

Shiraishi, Takuya; Hoshi, Hideo; Eimori, Koki; Kawanishi, Takeshi; Komatsu, Ken; Hashimoto, Masayoshi; Maejima, Kensaku; Yamaji, Yasuyuki; Namba, Shigetou (July 2011). "First report of Helleborus net necrosis virus isolated from hellebores with black death syndrome in Japan". Journal of General Plant Pathology. 77 (4): 269–272. Bibcode:2011JGPP...77..269S. doi:10.1007/s10327-011-0321-2. S2CID 29088363.
Taylor, Robert K.; Romberg, Megan K.; Alexander, Brett J. R. (December 2011). "A bacterial disease of hellebore caused by Pseudomonas viridiflava in New Zealand". Australasian Plant Disease Notes. 6 (1): 28–29. Bibcode:2011AuPDN...6...28T. doi:10.1007/s13314-011-0010-1. S2CID 7467719.

info-helleborus.eu

"About the Helleborus". Archived from the original on 24 July 2014. Retrieved 18 July 2014.

merriam-webster.com

"Definition of HELLEBORE". www.merriam-webster.com. 24 February 2024.
"hellebore". merriam-webster.com. Retrieved 18 June 2014.

mobot.org

"Vascular Plant Families and Genera - List of Genera in Melanthiaceae". mobot.org. Retrieved 21 October 2010.

ncsu.edu

plants.ces.ncsu.edu

"Helleborus orientalis". NC State University.

nih.gov

ncbi.nlm.nih.gov

Tasca, C.; Rapetti, M.; Carta, M. G.; Fadda, B. (2012). "Women and Hysteria in the History of Mental Health". Clinical Practice and Epidemiology in Mental Health. 8: 110–119. doi:10.2174/1745017901208010110. PMC 3480686. PMID 23115576.

pubmed.ncbi.nlm.nih.gov

Tasca, C.; Rapetti, M.; Carta, M. G.; Fadda, B. (2012). "Women and Hysteria in the History of Mental Health". Clinical Practice and Epidemiology in Mental Health. 8: 110–119. doi:10.2174/1745017901208010110. PMC 3480686. PMID 23115576.

rhs.org.uk

apps.rhs.org.uk

"RHS Plant Selector Helleborus argutifolius AGM / RHS Gardening". Apps.rhs.org.uk. Archived from the original on 18 December 2019. Retrieved 2 August 2012.
"RHS Plant Selector Helleborus foetidus AGM / RHS Gardening". Apps.rhs.org.uk. Archived from the original on 4 February 2012. Retrieved 2 August 2012.
"RHS Plant Selector Helleborus lividus AGM / RHS Gardening". Apps.rhs.org.uk. Archived from the original on 18 December 2019. Retrieved 2 August 2012.
"RHS Plant Selector Helleborus niger AGM / RHS Gardening". Apps.rhs.org.uk. Archived from the original on 8 December 2013. Retrieved 2 August 2012.
"RHS Plant Selector Helleborus × sternii Blackthorn Group AGM / RHS Gardening". Apps.rhs.org.uk. Retrieved 2 August 2012.^{[permanent dead link‍]}

rhs.org.uk

"Hellebore leaf miner". Royal Horticulture Society.
"Hellebore Aphid". Royal Horticultural Society.
"Grey Mould". Royal Horticulture Society.
"Hellebore black death". Royal Horticultural Society.
"Helleborus Walberton's Rosemary='Walhero'". www.rhs.org. Royal Horticultural Society. Retrieved 6 August 2020.

semanticscholar.org

api.semanticscholar.org

Shiraishi, Takuya; Hoshi, Hideo; Eimori, Koki; Kawanishi, Takeshi; Komatsu, Ken; Hashimoto, Masayoshi; Maejima, Kensaku; Yamaji, Yasuyuki; Namba, Shigetou (July 2011). "First report of Helleborus net necrosis virus isolated from hellebores with black death syndrome in Japan". Journal of General Plant Pathology. 77 (4): 269–272. Bibcode:2011JGPP...77..269S. doi:10.1007/s10327-011-0321-2. S2CID 29088363.
Taylor, Robert K.; Romberg, Megan K.; Alexander, Brett J. R. (December 2011). "A bacterial disease of hellebore caused by Pseudomonas viridiflava in New Zealand". Australasian Plant Disease Notes. 6 (1): 28–29. Bibcode:2011AuPDN...6...28T. doi:10.1007/s13314-011-0010-1. S2CID 7467719.

tabularium.be

Bailly, Anatole. "Greek-french dictionary online". www.tabularium.be. Retrieved 6 January 2018.

tennessee.edu

ag.tennessee.edu

"February 2013 Plant of the Month: Hellebore". Retrieved 9 June 2014.

thedailyjournal.com

"Nursery owner extols many virtues of hellebores". Archived from the original on 28 May 2014. Retrieved 28 May 2014.

vocal.media

"Guide to Growing Hellebore Flowers". Lifehack. Retrieved 15 June 2023.

web.archive.org

"Double Hellebores". Archived from the original on 11 May 2008. Retrieved 9 October 2007.
"RHS Plant Selector Helleborus argutifolius AGM / RHS Gardening". Apps.rhs.org.uk. Archived from the original on 18 December 2019. Retrieved 2 August 2012.
"RHS Plant Selector Helleborus foetidus AGM / RHS Gardening". Apps.rhs.org.uk. Archived from the original on 4 February 2012. Retrieved 2 August 2012.
"RHS Plant Selector Helleborus lividus AGM / RHS Gardening". Apps.rhs.org.uk. Archived from the original on 18 December 2019. Retrieved 2 August 2012.
"RHS Plant Selector Helleborus niger AGM / RHS Gardening". Apps.rhs.org.uk. Archived from the original on 8 December 2013. Retrieved 2 August 2012.
"About the Helleborus". Archived from the original on 24 July 2014. Retrieved 18 July 2014.

wikisource.org

en.wikisource.org

Chisholm, Hugh, ed. (1911). "Hellebore, citing Codronchius (Comm.... de elleb., 1610), Castellus (De helleb. epist., 1622)" . Encyclopædia Britannica. Vol. 13 (11th ed.). Cambridge University Press. pp. 235–236.

wiktionary.org

en.wiktionary.org

"hellebore - Wiktionary". en.wiktionary.org. Retrieved 2 March 2021.

worldcat.org

search.worldcat.org

Bailly, Anatole (1 January 1981). Abrégé du dictionnaire grec français. Paris: Hachette. ISBN 978-2010035289. OCLC 461974285.

yates.co.nz

"Hellebores' roses of winter - Yates". www.yates.co.nz.