Rudbeckia hirta L.

Black-eyed-Susan

Minimum height	30
Maximal height	60
Life form	HT-He
SBT (Social Behaviour Type)	A
Ujvárosi's life form system	NA
Modified Ellenberg - Müller-Dombois life form (main category)	H
Modified Ellenberg - Müller-Dombois life form (sub-category)	NA

Chromosome number	38
Ploidy level	NA

Phytosociological categorization (Soó)	A512
Phytosociological categorization (Borhidi)	3.5.2.1
Nativeness	alien species
Residence time	neophyte
Introduction mode	deliberate
Invasion status	naturalised species
Area type	ADV
Conservation status	not protected
Conservation value (HUF)
Year of protection
IUCN Red List category	NE
Hungarian Red List category
Conservation value category	G

Ellenberg indicator values
EIV L	8
EIV T	7
EIV K	5
EIV F	4
EIV R	8
EIV N	5
EIV S	0
Zólyomi's ecological indicator values
TZ-scale	NA
WZ-scale	NA
RZ-scale	NA
Soó's ecological indicator values
TS-scale	3
FS- scale	3-4
RS- scale	4
NS-scale	3-4
Borhidi's ecological indicator values
TB-scale	7
WB-scale	8
RB-scale	8
NB-scale	5
LB-scale	8
CB-scale	5
SB-scale	0

Leaf traits
Leaf Area (Lhotsky et al. 2016)	NA
Leaf Area (E-Vojtkó et al. 2020)	NA
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)	NA
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)	NA
SLA (Gyalus et al. 2022)	NA
SLA (McIntosh-Buday et al. 2022)	NA
Leaf fresh mass (E-Vojtkó et al. 2020)	NA
Leaf fresh mass (McIntosh-Buday et al. 2022)	NA
Leaf dry mass (E-Vojtkó et al. 2020)	NA
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.