Dictyostelids from Jilin Province, China II
Author
Liu, Pu
Author
Li, Yu
text
Phytotaxa
2017
2017-09-26
323
1
77
82
http://dx.doi.org/10.11646/phytotaxa.323.1.6
journal article
10.11646/phytotaxa.323.1.6
1179-3163
13696816
Dictyostelium brefeldianum
H. Hagiw., Bull. Natn. Sci. Mus.
,
Tokyo
, Ser. B, 10(1): 39 (1984)
.
Sorocarps (
Fig 2G
) solitary, usually unbranched, phototropic, prostrate. Sorophores colorless, sinuous, 0.6–4.5(10.5) mm long, tapering from bases to tips, usually consisting of one tier of cells except for the bases and tips, bases (
Fig 2H
) conical or round, tips (
Fig 2I
) capitate. Sori white, globose, 25–230(280) μm diam. Spores (
Fig 2J
) hyaline, oblong, mostly 5.3–7.3 × 3.0–4.0 μm, without polar granules, sometimes with irregular granules. Cell aggregations radiate. Pseudoplasmodia do not migrate, usually producing single sorogens. Myxamoebae (
Fig 2K
) irregular or triangular in the direction of movement.
Cultures examined
. HMJAU MR043. Strain 0081–2 isolated in 2009 from mixed forest soil (
861 m
elevation) collected in the Wangqing National Nature Reserve,
Jilin Province
,
China
, in the same year.
Known distribution
.
U.S.A.
,
Canada
,
Germany
,
England
,
France
,
Denmark
,
Switzerland
,
Japan
, New
Guinea
,
Nepal
,
Uganda
,
Ukraine
,
Korea
, and
China
.
Commentary
.
Dictyostelium brefeldianum
is a medium-sized cosmopolitan species that is often prostrate and strongly phototropic. This study extends its worldwide distribution in
China
.