-
ceratea Zopf.
produces olivetoric acid and
other physodic acids,
while var.
furfuracea produces physodic but not
olivetoric acid. Some
authors (e.g., Hale...
-
related species by its
chemical composition,
containing atranorin and
physodic acid, and its
preference for
exposed Arctic–alpine
habitats with limited...
- chemicals,
including four
depsidones (3-hydroxyphysodic, 4-O-methyl
physodic acid,
physodic and
physodalic acid), and two
depsides (atranorin and chloroatranorin)...
- diameter. It
contains the
secondary compounds atranorin, chloroatranorin, and
physodic acid as
major metabolites. Elix, John A.; Jenkins,
Gillian A. (1989). "New...
-
compounds that
occur in
Hypogymnia papilliformis include atranorin, and
physodic acid as
major metabolites, and
minor amounts of 2'-O-methylphysodic acid...
- surface. Additionally, the
presence of
olivetoric acid and
absence of
physodic acid set it
apart chemically from the
other species.
Hypogymnia capitata...
-
extending from the
sides of the lobes. The
lichen contains atranorin and
physodic acid.
Hypogymnia rugosa is
somewhat similar in
appearance to H. occidentalis...
- cartilage-like texture. The
lichen is
chemically distinct,
containing physodic acid and
virensic acid; the
latter substance is
otherwise unknown from...
- Hypogymnia.
Other compounds present in the
lichen are
atranorin (upper cortex),
physodic acid, and di-O-methylphysodic acid. The
distribution of
Hypogymnia wilfiana...
-
common characteristics are
relatively small spores and the
presence of
physodic acid and
related lichen products. The
lichens usually grow on the bark...