SALVINIA MINIMA (SALVINACEAE), NEW TO TEXAS

1 Pages·1995·0.6 MB·English

by  Stephan L Hatch

NEW
TO
MINIMA TEXAS.—
SALVINIA (SALVINACEAE),
Recent
Management
collections from the J.D. Murphree Wildlife Area near Port
Arthur, Texas, have yielded specimens of Salvinia mintma Baker. This a
is
new Hatch and and
record for Texas according to et (1990) Correll
al.
Johnston (1970). Previous collections have been reported from Louisiana,
Georgia, Florida, Alabama; Mexico; the West Indies; and Central America
(Nauman
1993) (Lellinger 1985).
abundant
Salvtnta minima, water spangles or floating fern, locally in
is
SW
Management
the water ofJ.D. Murphree Wildlife Area of Port Arthur,
Texas in association with Echinochloa, Zizaniopsis, and Leptochloa. This spe-
some submerged
abundant populations shading out plants
cies so that are
is
The
This floating species has long thin rhizomes and floating fronds.
ihe apex eacn hair divided into tour separate Drancnes.
surtaces. or
is
TEXAS. Murphree Management
Voucher specimen: Jefferson Co.: J.D. Wildlife Area,
SW
of Port Arthur, 30 Oct 1993, Hatch 6403 (TABS).
M.
—Stephan Hatch, Tracy Herbarium, (TAES), Department Range-
L. of
S.
A&M
and
land Ecology Management, Texas University, College Station, Texas,
77843-2126,
U.S.A.
Nauman, North America Committee,
C.E., 1993. Salvinaceae. In: Flora of Editorial eds.
New
336-337.
York. Vol.
pp.
2,
NEW
TO KAN-
RHYNCHOSPORA CAPITELLATA (CYPERACEAE),
SAS.—
Five species of Rhynchospora have been verified in the Great Plains
(Chapman)
with Small
(Great Plains Flora Association 1986), R. glohularts
W. Gray
var. globidaris, R. harveyi Boott, and R. macrostachya Torr. ex A.
occurring Kansas (Magrath and Johnson 1971). Field surveys in central
in
unknown
Kansas during the of 1994 yielded a beakrush previously in
fall
the state. Rhynchospora capitellata (Michx.) Vahl was discovered at a single
extreme southeastern Rice County. Pkints were growing in several
site in