Sempervivum arachnoideum L.
Family: Crassulaceae
Description: crowded rosettes to 2.5cm across, with abundant offsets, forming mats or low cushions.
Habitat: rocks, screes
| Form of cushion | F | Low cushion |
| Compactness | 0 | Hollow, with canopy gaps |
| Variability | 0 | No variability |
| Root system | NA | NA |
| Woodiness | 0 | Herbaceaous |
| Thorniness | 1 | Yes |
| Succulence | 1 | Yes |
| Flowers | 1 | Short peduncle |
| AUT |
| FRA |
| GER |
| ITA |
| SPA |
| SWI |
| AUT-AU |
| FRA-FR |
| GER-OO |
| ITA-IT |
| SPA-AN |
| SPA-SP |
| SWI-OO |
