Petasites albus (L.) Gaertn.

White Butterbur

Minimum height	10
Maximal height	80
Life form	Ge
SBT (Social Behaviour Type)	C
Ujvárosi's life form system	NA
Modified Ellenberg - Müller-Dombois life form (main category)	G
Modified Ellenberg - Müller-Dombois life form (sub-category)	G_rhiz

Chromosome number	60
Ploidy level	NA

Phytosociological categorization (Soó)	E413
Phytosociological categorization (Borhidi)	8.4.3.1
Nativeness	native species
Residence time
Introduction mode
Invasion status
Area type	EUR
Conservation status	P
Conservation value (HUF)	5000
Year of protection	1993
IUCN Red List category	NE
Hungarian Red List category	NT
Conservation value category	K

Ellenberg indicator values
EIV L	4
EIV T	4
EIV K	4
EIV F	6
EIV R	x
EIV N	5
EIV S	0
Zólyomi's ecological indicator values
TZ-scale	5a
WZ-scale	7
RZ-scale	3
Soó's ecological indicator values
TS-scale	3
FS- scale	3
RS- scale	3
NS-scale	3
Borhidi's ecological indicator values
TB-scale	5
WB-scale	7
RB-scale	6
NB-scale	4
LB-scale	4
CB-scale	2
SB-scale	0

Leaf traits
Leaf Area (Lhotsky et al. 2016)	NA
Leaf Area (E-Vojtkó et al. 2020)	16667.280
Leaf Area (Gyalus et al. 2022)	NA
Leaf Area (McIntosh-Buday et al. 2022)	NA
LDMC (Lhotsky et al. 2016)	NA
LDMC (E-Vojtkó et al. 2020)	126.648
LDMC (Gyalus et al. 2022)	NA
LDMC (McIntosh-Buday et al. 2022)	NA
SLA (Lhotsky et al. 2016)	NA
SLA (E-Vojtkó et al. 2020)	56.698
SLA (Gyalus et al. 2022)	NA
SLA (McIntosh-Buday et al. 2022)	NA
Leaf fresh mass (E-Vojtkó et al. 2020)	2.344
Leaf fresh mass (McIntosh-Buday et al. 2022)	NA
Leaf dry mass (E-Vojtkó et al. 2020)	302.540
Leaf dry mass (McIntosh-Buday et al. 2022)	NA

Distribution in Hungary

Distribution maps presented here are only for reference purposes, for more details see the Vascular plants of Hungary online database.

Last update: 3 February 2022.