Table 2. Data Sources accessed to inform species conservation assessments. MSB refers to the Millennium Seed Bank at Wakehurst.
Source Reference Data Gathered
POWO Royal Botanic Gardens, Kew 2024b Taxonomy (accepted status, author, family, synonyms, infraspecifics)
BiFlora (Main tab) Henniges et al. 2022 Native status, growth form, succulence, life form, misidentification in field, hybridization
BiFlora (GS tabs) Henniges et al. 2022 Ploidy level, chromosome number, genome size (UK & non-UK)
BSBI Cytology BSBI 2024a Chromosome number (UK)
Plant DNA C-Values Royal Botanic Gardens, Kew 2024a Ploidy level, chromosome number, genome size (UK & non-UK)
PLANTATT Hill et al. 2004 Perennation, mode of reproduction, vegetative reproduction type, 10 km occurrence (2002), broad habitat, Ellenberg values
New Atlas of the Flora of the British Isles Preston et al. 2002 UK habitats, abundance where naturally occurring, stability of range, threats
MSB-BSBI MSB-BSBI 2023 Distribution maps, MSB held collection sites
GB Red List (2018) Leach 2019 Threat status
JNCC JNCC 2007 Threat status, conservation in progress
EcoFlora EcoFlora 2024 Ecological range, altitude, pollen / seed vectors, mode of reproduction, reproductive abundance
PlantAtlas BSBI 2024b Natural history