Systematic Botany,
Journal Year:
2023,
Volume and Issue:
48(4), P. 506 - 512
Published: Dec. 22, 2023
Abstract—
During
the
first
author’s
doctoral
research,
in
part
developed
at
New
York
Botanical
Garden
and
guided
by
William
Wayt
Thomas,
several
new
species
of
Rhynchospora
were
discovered
when
revising
NY
herbarium
specimens.
In
this
study,
we
describe
name
one
these
as
waytii
,
honor
renowned
sedge
specialist
friend.
is
closely
related
to
R.
nanuzae
but
displays
distinguishing
characteristics
such
broader
leaves,
inconspicuous
rhizomes,
larger
spikelets
stylopodia.
It
also
exhibits
a
peculiar
disjunct
distribution,
occurring
Brazil
Argentina,
which
explored
here
with
models
geographical
range
evolution
suitable
area
occupancy.
Our
analysis
suggests
that
habitats
have
historically
existed
along
Atlantic
coast,
extending
La
Plata
estuary,
near
location
where
Argentinian
specimens
collected.
Journal of Fungi,
Journal Year:
2025,
Volume and Issue:
11(3), P. 225 - 225
Published: March 15, 2025
Alternaria
includes
endophytes,
saprophytes,
and
pathogens
affecting
both
plants
animals,
with
a
global
distribution
across
various
hosts
substrates.
It
is
categorized
into
29
sections,
each
defined
by
type
species
six
monophyletic
lineages.
The
section
Nimbya
comprises
10
primarily
associated
the
families
Juncaceae
Cyperaceae,
functioning
as
either
saprophytes
or
plant
pathogens.
In
this
study,
189
fungal
strains
were
collected
from
multiple
locations
provinces
in
Iran.
isolates
initially
classified
based
on
morphological
characteristics
ISSR-PCR
molecular
marker
banding
patterns.
Multi-gene
phylogenetic
analyses
of
38
selected
strains,
using
ITS–rDNA,
GAPDH,
TEF1,
RPB2,
Alt
1
gene
sequences,
combined
data,
led
to
identification
13
species,
including
eight
new
namely
caricifolia,
A.
cyperi,
juncigena,
junci-inflexi,
persica,
schoenoplecti,
salkadehensis,
urmiana.
addition,
work
identified
host
associations
(matrix
nova)
for
three
previously
known
species:
caricicola
Cyperus
sp.,
cypericola
Eleocharis
junci-acuti
Carex
sp.
study
provides
detailed
descriptions
illustrations
all
discusses
their
habitats,
distribution,
relationships
within
Nimbya,
presents
key
Furthermore,
these
findings
highlight
significance
studying
biodiversity
Iran
contribute
better
understanding
range
Nimbya.
Science Advances,
Journal Year:
2024,
Volume and Issue:
10(21)
Published: May 23, 2024
Glacier
and
permafrost
shrinkage
land-use
intensification
threaten
mountain
wildlife
affect
nature
conservation
strategies.
Here,
we
present
paleometagenomic
records
of
terrestrial
aquatic
taxa
from
the
southeastern
Tibetan
Plateau
covering
last
18,000
years
to
help
understand
complex
alpine
ecosystem
dynamics.
We
infer
that
steppe-meadow
became
woodland
at
14
ka
(cal
BP)
controlled
by
cryosphere
loss,
further
driving
a
herbivore
change
wild
yak
deer.
These
findings
weaken
hypothesis
top-down
control
large
herbivores
in
ecosystem.
find
turnover
communities
ka,
transitioning
glacier-related
(blue-green)
algae
abundant
nonglacier-preferring
picocyanobacteria,
macrophytes,
fish,
otters.
There
is
no
evidence
for
substantial
effects
livestock
herding
either
Using
network
analysis,
assess
stress-gradient
reveal
root
hemiparasitic
cushion
plants
are
keystone
taxa.
With
ongoing
protection
their
habitats
likely
be
benefit
on
Plateau.
Botanical Journal of the Linnean Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 2, 2025
Abstract
Mapania
(Cyperaceae)
is
a
pantropical
genus
associated
with
the
forest
understorey.
Its
evolutionary
history
and
species
delimitation
are
poorly
known
in
Southeast
Asia.
To
address
this
lack
of
knowledge,
DNA
sequence
data
from
four
chloroplast
regions
(trnL-F,
atpH-F,
psbA-trnH,
trnK-matK)
were
generated
for
number
populations
15
Mapania.
Bayesian
maximum
likelihood
analyses
concatenated
showed
better-resolved
phylogeny
than
previous
based
on
morphological
alone.
bancana
was
resolved
as
sister
to
other
included
study.
Moreover,
study
highlights
need
further
investigation
limits
genus.
For
instance,
cuspidata
retrieved
polyphyletic,
tentative
new
has
been
detected
closely
related
debilis.
This
also
infers
cradle
Asian
Mapanias
Borneo,
which
holds
largest
diversity
region.
still
understood
that
requires
local
taxonomic
work
more
comprehensive
fieldwork
records
better
assess
protect
these
species.
Australian Systematic Botany,
Journal Year:
2023,
Volume and Issue:
36(2), P. 143 - 156
Published: April 26, 2023
Two
new
dwarf
species
of
Diplacrum
are
described
from
tropical
Australia:
blakei
K.L.Wilson
&
R.L.Barrett
and
D.
latzii
R.L.Barrett.
is
the
only
genus
in
Cyperaceae
tribe
Bisboeckelereae
occurring
Australia.
Historically,
it
has
been
confused
with
Scleria
(Tribe
Sclerieae).
Descriptions
provided
for
all
four
Australian
species,
as
well
a
generic
description
key
to
three
additional
Malesian
South-East
Asian
species.
Brief
comments
made
about
Africa,
Americas
India.
