A total of 21 Legionella isolates were recovered from six out of 22
samples of potting soil from the Athens area, Greece. Legionella
pneumophila (serogroups 1 and 2-15) and species and serotypes included
in the group of L. longbeachae serogroups 1 and 2, L. bozemanii
serogroups 1 and 2, L. dumoffii, L. gormanii, L. jordanis, L. micdadei
and L. anisa were isolated on BCYE alpha agar containing cysteine, GVPC
and natamycin and on BCYE alpha agar containing cysteine, Wadowsky Yee
supplement and natamycin. The bacterial load was 4000-120 000 CFU/g of
potting soil. The isolation of L. pneumophila serogroup 1 from Greek
potting soils is reported here for the first time