Crassula helmsii

Crassula helmsii

Synonymy

Source: Marhold, K. (2011+): Crassulaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Crassula helmsii (Kirk) Cockayne in Trans. & Proc. New Zealand Inst. 39: 349. 1907
  • Tillaea helmsii Kirk, Stud. Fl. New Zealand: 142. 1899

Distribution

[Be(B L) Br Ga(F) Ge Hb(E) nHo ?It] 

Euro+Med not endemic: Belgium, with Luxembourg (Belgium introducedA,B,C, Luxembourg introducedD); France, with Channel is. and Monaco (France introducedA); Germany introducedA,E,F; Great Britain introducedA,G; Ireland, with N Ireland (Ireland introducedA,H); Italy, with San Marino and Vatican City introduced: presence questionableI; Netherlands naturalisedJ

Bibliography

A. Jalas, J. & Suominen, J. 1999: Atlas Florae Europaeae 12
B. Lambinon, J. & Verloove, F. 2012: Nouvelle Flore de la Belgique, du Grand-Duché de Luxembourg, du nord de la France et des régions voisines (Ptéridophytes et Spermatophytes), ed. 6. – Meise
C. Verloove, F. 2006: Catalogue of neophytes in Belgium (1800-2005). – Scripta Botanica Belgica 39
D. Krippel, Y. & Helminger, T. 2022: Notes floristiques. Observations faites au Luxembourg (2020-2021). – Bulletin de la Société des Naturalistes Luxembourgeois 124: 191-222
E. Hegi, G. 1995: Illustrierte Flora von Mitteleuropa, ed. 3, IV(2A)
F. Wisskirchen, R. & Haeupler, H. 1998: Standardliste der Farn- und Blütenpflanzen Deutschlands. – Stuttgart
G. Tutin, T. G., Heywood, V. H., Burges, N. A., Valentine, D. H., Walters, S. M. & Webb, D. A. 1964–1980: Flora europaea 1-5. – Cambridge: Cambridge University Press
H. Webb, D. A., Parnell, J. & Doogue, D. 1996: An Irish Flora. – Dundalk
I. Galasso, G. & al. 2018: An updated checklist of the vascular flora alien to Italy. – Pl. Biosystems 152: 556-592. http://doi.org/10.1080/11263504.2018.1441197
J. Duistermaat, H., Sparrius, L. B. & Denters, T. 2021: Standaardlijst van de Nederlandse flora 2020. – Gorteria; mededelingenblad ten dienste van de floristiek en het vegetatie-onderzoek van Nederland 43: 109-156