Species Detail - New Zealand Pigmyweed (Crassula helmsii) - Species information displayed is based on the dataset "Irish vascular plant data 1999-2009".
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of records recorded within each 10km grid square (ITM).Marine Map - 50km
Marine Map - 50km
Distribution of the number of records recorded within each 50km grid square (WGS84)._0.jpg)
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Crassula helmsii
New Zealand Pigmyweed
NBNSYS0000004639
RecommendedWell-formed
Crassula recurva non N.E. Br. (Hook.f.) Ostenf., New Zealand Pygmyweed , Tillaea helmsii Kirk, Tillaea recurva (Hook.f.) Hook.f., Tillaea recurva (Hook. f.) Hook. f.
Invasive Species: EU Invasive Alien Species Regulation No. 1143/2014 || Invasive Species: Regulation S.I. 477/2011 (Ireland) || Invasive Species: Detailed Risk Assesment || Invasive Species: High Risk Invasive Species (2013 Report) || Invasive Species: Regulation S.I. 374/2024 (Ireland) || Invasive Species: Detailed Risk Assesment >> High Risk
crhel
(Kirk) Cockayne
Flowering plant
Species
1
1
1
29/05/2006
29/05/2006
1 January (recorded in 2008)
21 October (recorded in 2009)
Dr David Thomas Holyoak, Irish vascular plant data 1999-2009, National Biodiversity Data Centre, Ireland, New Zealand Pigmyweed (Crassula helmsii), accessed 26 August 2025, <https://maps.biodiversityireland.ie/Dataset/35/Species/29777>