GNAPHALIUM EXILIFOLIUM (ASTERACEAE: GNAPHALIEAE) IN COLORADO AND SOUTH DAKOTA

3 Pages·2001·1.6 MB·English

by  Guy L Nesom

GNAPHALIUM ASTERACE
EXILIFOLIUM
AE:
(
GNAPHAL1EAE)
IN
COLORADO AND SOUTH DAKOTA
LNesom
Guy
Botam, In^liuitcoi .vv
,ii Rt.">en!> i> .s
t
Stricter definition of the genus Gnaphalium L. Anderberg 1991) leaves the
(e.g.,
genus in North America north h hrei pecies: G. cxilifolium A.
oJ Vl( tc<
. i
and uliginosum The lectotype species of
palustre
Nels., G. Nutt., G. L.
GnaphaliumsensustrictoisG u/igim n;n-di cu ionof tins choice rather than
and
PseudognaphflIium(GMcjphtf/inmJ lulco-tt/liumCI-JHilliard Burtt given
is
The
and Burn and McNeil remain-
in Jeffrey (1979), Milliard IAS1 let al (1987).
( )
and Canada
der of the species (•naphalium -ensu lato in the United States
ol
among
are divided the segregate genera /'scud.igmip/ici km? Kirpichn.,Euchiron
I i
Gamochacia Wedd., and mutlolha Cass.
Cass., a
(
G
Gnaphahunu\ili^hum\w mm. a.di on ^ uliginosum
Ih. ufi. ith
p.
<
in various flonstic account olth niu-d (arc Great Plains Flora
l<
i i i 1
Whittn
Association 1986 l-)buin ;arded as a scpai U ;peci
\\< icri
1
' ;
i i
Examina-
others Harrington 1954; Welsh 1993; Cronquist 1994).
in et al.
(e.g.,
NMC,
GH, NCU, TEX,
ARIZ, ASU,
tion of collections of these plants at BRIT,
The
and US have provided perspective on the distinct ion of G.c.vi/i/olium. three
species of Gnaphalium sensustricto that occurin die United States can he iden
below
by the contrasts the ke\
tified in
equalling to slightly
s
Gnaphalium uliginosum
_
The account of the United States, Canada, and Greenland flora by K irt es:: (-W l
( > j
, 1
New Wyoming,
Gnaphalium Mexico, Arizona, Utah, and
records cxilifolium
in
Mcmco
.nul species also occuis northern Chihuahua, i.Nesom unpub
tin- in
lished). Records also cxisr lor its occurrence in Colorado and South Dakota— as
&
Although
clarified below. recent accounts the flora Colorado (Weber
of"
o\'
Whittman iDom
1994, 1996a, 1996b) and Sout h Dakota 977; Van Bruggen 1985)
f
G
have not included exilifolium as an accepted species, collections of (asde-
it
imed abouO made
have been from both
elates.
COLORADO.
Montrose Co.: Cimarron, 2200 m, 8-10 Sep 1917, Eggleston 14200
(GH).
mm
Recognition of the presence G. exilif in olooulo results from a more
>/ t
focused species concept rather than from Gnaphalium
its rant\'. uliginosum,
with which has been confused, also occurs in olorado. The distinction between
it I
the two taxa was correctly made by Ian uigtoinb)>L 024), although he sup-
p.
!
then
weal on
plied that "all plant s|of m;iv actually be a part of G.
c v/'/i/n/i a in\
( ..
i
CM
uliginosum L" Collect ions at ol G.cxilijohnni Irom olorado also are from the
(.
following counties: Clear Creek, Delta, lake, Larimer, Mineral, Park, and Summit.
SOUTH
DAKOTA.
[Lawrence Co.:] Black Hills National west, Yellow Creek,
I
near banks Aug
Kirk, of Ice Pond, 27 1910. Mi< nloch 4337 (GH).
Mcintosh
(1931) identified G. exilifolium as occurring in the Black Hills of
South Dakota, although other botanists have apparently same
identified the
plants as G. uliginosum. The latter was specifically noted to occur in Custer
and Lawrence counties. South DakotalGreat Plains Llora Association The
1976).
Murdoch
cited collection unequivocally confirms occurrence
the
of G.
exilifolium in South Dakota; the possibility of the existence of G. uliginosum
there has not been eliminated. Neither species documented South Dakota
for
is
RM.
in the Forest Service repository
at
The nomenclature Gnaphalium
details for exilifolium are as follows.
C
Gnaphalium
cxilii'olmm \ Nel Inoin nc\ ,ni< u i/n/ iu,n\ hull aie\
<
i I
VC
Club
29:400
hot. W.U.N.i/'li.ilumM^iwi/e/imii Club
Ibrrcv
.V I'.ull. Hot.
LS^Hnon
7(rVV7.
Earn. 1788).
Moench
794;
i 1 r
ACKNOWLEDGMENTS
to the staff of the cited herbaria loans
for
Mark comments
Gabel on
visits, to for th
t
RM
checking
for the collections.
l
REFERENCES
Taxonomy
1991. and phylogeny of the tribe Gr
m
-m
)orn, R.D. 1977. Flora of the Bla ill i-
it
III
i I i , i , i
m
A ul^y, ed) 1976. Atlas of
Flora
ireat Plains 1 i- iP L f.1 F
,. " r 1 i r i i i i
Phn hi Ames.
the of the Great ersity Press,
flora
m\
ii
i
i I
m
Flora A h'H Great Plains. Univ. Press of Kansas, awrence.
at Plains u II tin
iRt
i I I
Sage
Manual Books, Denver.
Iarrington, H.D. 1954. of tin n lo
'
1 i 1
Some
O.M.and 1981. generic ncept n Compositae-Gnaphaliinae.
B.L.Burt.
Iilliard,
Bot.J.Linn.Soc.82:181-232.
names L and
Note on the of the Cacalia Matricaria
979. lectotypification L,
:ffrey, C.
1
Gnaphalium L.Taxon 28:349-351.
1999. A synonymized checklist and atlas with biological attributes for the
artesz,
J.T.
and and
vascular flora of the United Tali n Greenlai First Ed. In: J.T. Kartesz
i 3, I.
i
C.A. Meacham. 1999. Synthesis of the North American flora, Ver. 1.0. North Carolina
Garden, Chapel
Botanical
Hill.
Intosh.A.C. 1931. A botanical survey of the Black Hills of South Dakota. Black Hills Engi-
1c
59-276 Engineer 28:3-74.
neer [reprinted Black 949],
9:1 Hills
1 1
and American code and
IcNeill, E.A. Odeit, L.L. Consaul, D.S. Katz. 1987. later
J.,
^ Ti-on 36:350-401.
ii
•
Bruggen,T. 1985. The vascular plants of South Dakota (ed. Iowa State University
2).
'an
Ames,
Iowa.
Press,
and 1""1 .ihh the Colorado A biodiversity baseline.
\/fbfr,W.A. R.C.Wiin n< n of flora:
<
1
University Press of Colorado, Niwot.
Wh—
RC m UVstem
W.A. and slope. University Press of
Veber, - t
1 1 I I
Colorado, Niwot.
nht
and RC slope. University Press of Colo-
Veber,W.A. in
VV11 t
1 I 1 i
rado, Boulder.
A
and Utah
Vllsh, N.D.Ai wood, Goodrich, L.CHiggins (eds.). 1993. flora (ed. 2, revised).
S.L., S.
^i mi Piovo, Utah.
Di ih hi 'mi itv,
' i h 1 ' ii i i i i i