A NEW COMBINATION IN POLYTRICHASTRUM (BRYOPHYTA: POLYTRICHACEAE)

2006·0.52 MB·English

by  G L Smith Merrill

I ;
NEW
A COMBINATION POLYTRICHASTRUM
IN
POLYTRICHACEAE)
(BRYOPHYTA:
G.L.Smith Merri
Department of Botany
Museum
The
Field
1400 South Lake Shore Drive
Chicago, 60655-2496^ U.S.A
Illinois
ABSTRACT
The new combination rum alpinum sylvaticum (Menzics) GT. Merrill provided.
Poly trichast var. is
RESUMEN
GT.
Sc aporta la nueva combinacion Polytrichasirum alpinum var, sylvaticum (K4eiizies) Merrill.
moss
The following transfer proposed for use in a treatment of tlie family
is
ojNorth America North ojMexico, the
Polytrichaceae in the Flora vol. 27, first
bryophyte volumes. Additional discussion be found
of the projected three
vv^ill
treatment.
in the flora
nov
Polytrichastrum alpinum sylvaticum (Menzies) G.L. Merrill, coimb.
var.
Basionym: Polytrichum sylvaticum Menzies, Bor. Zeit. (Rcgensburg) 1:74. 1802, Type: U.S.A.:
Northwest Coast of North Ameriea, Menzics (holotype:
El).
Pogonalum alpinum sylvaticum (Menzies) Lindberg, Bot. Not. 1867: 130. 1867. Polytrichum
var.
alpinum var. sylvaticum (Menzics) Lindberg, Aeta Soc. Sci. Fenn. 10:6. 1872,'' sihaticum:'
Polylyichum macounii Kindberg in Macoun, Bull Torrey Bot. Club. 16:96. 1889; Pogonatuni
&
macounii (Knidberg) Kindberg Maeoun. Cat. Canad. 6:152. 1892. Pogonatum alpinum
Pi,
&
var. macounii (Kmdberg) Cardot Theriot, Proc. Wash. Acad, Sei. 4:328. 1902, Polytrichum
alpinu7n var macounii (Kindberg) SaitoJ.Jap, Bot. 31:75, 1956- Pogonaluin alpinum subsp.
&
macounii (Kindberg) Persson in Persson Viereck, Lindbergia 9:16. 1983.
On common
America—
Habitat and distribution inNorth soil in moist woods, in the
middle Columbia, southern Alaska, Oregon, Washington.
lowlands, to elevations; British
common
polymorphic
Polytrichastrum alpinum widespread, species,
a
is
middle upper elevations throughout the North Temperate zone, in south
at to
The
temperate South America, the Antarctic, and Australasia. var. sylvaticum
much cm
a giant form of the Pacific Northwest with stems as as 14 high, simple
is
mm
and plump,
laxly branched, sharply serrate leaves to 19 long, large, cy-
to
lindric capsules, often somewhat zygomorphic and widest below the middle.
REFERENCES
937. Polytrichaceae, Grout, Moss flora of North America north of Mexico.
Frye J.C. In: A.J.
1
99-1
Pp. 28.
boratoryNichinanJapan.
LAwroN,E.1971.MossfloraofthePacificNorthwest.Hattori Botanical La
SIDA22(1):547.2006