Dryopteris maxonii Underw. & C.Chr.

• Region

  North America

• Country

  Mexico

• State/Province

  Jalisco

• Locality

  Reserva Biósfera Sierra da Manantlán. In several numbered Whittaker m2 quadrants, incl. 2, 6, 7. Middle slope on steep W edge of CERRO GRANDE, 18-50 km NW of Colima, over-looking Arroyo Pitahayas and the valley between San Pedro Toxín and El Sauz, along transect from (and 1.4 km due E of) LOS ENCINITOS to the antennas on the upper W edge of C.G., 7 km (airline distance) due NW of El Terrero. Site 38 for forest community study by A.Vázquez G.

• Elevation

  Alt. 1700 m. (5577 ft.)

• Coordinates

  19.4925, -103.985

• Location Notes

  [Mexico & Central America]

• Distribution

  Map all specimens of this taxon

NEW YORK BOTANICAL GARDEN
04146673
MEXICO: Edo. Jalisco
Reserva Biosfera Sierra da Manantlan
Dryopteris	>
p
In several numbered Whittaker m
quadrats, incl. 2, 6, 7.
Good quality tropical deciduous forest ("bosque
tropical caducifolio"? no .es bosq. mesofilo) ;
leading dominants in descending order acc. to
frequency: Acacia acatlensis (tallest tree) ,
Prunus cortapico (2nd in basal area) , Oreopanax,
Trichilia havanensis, Erythrina, Cnidoscolus;
other tree spp.: Bursera simaruba, Rapanea.
Pouzolzia, Ficus lapathifolla; shrubs (high in
diversity and density) : Xylosma, Montanoa. Chi-
ococca alba, Bouvardia loeaeneriana. Alstonia
longifolia, Prunus cortapico^ Euphorbia cotinl-
folia; vines (exceedingly high content) : Pasai-
flora podadenia, P. filipes, Vitis, Parthenocis-
sus, Cissampelos, Nissolia, Wimmeria, Ipomoea,
Mandevilla, Gouania, Melothria, Serjania, etc.;
prevalent groundlayer spp.: Las- lacis nigra.
Panicum arundinariae, Bonplandia geainiflora,
Hymenocallis, Commelina, Phenax, Eupatorium -g
oerstedianum, and many ferns (Adiantum poiretii.
Campyloneuron angustum. Pleopeltis angusta. Pel-
laea. Polypodium. Phlebodium, Pecluma, Asplenium),
Middle slope on steep W edge ofCERRD GRANDE, a mas-
sive limestone plateau 18-50 kmNW of Colima. over-
looking Arroyo Pitahayas and the valley between
San Pedro Toxin and El Sauz, along transect from
(and 1.4 km due E of) LOS ENCINITOS to the antennas
on the upper W edge of C.G., 7 km (airline distance)
due NW of El Terrero (19°29' 33"N, 103°59' 05"W) .
Site 3B for forest community study byA. Vifzquez G.
Alt. 1,700 m. No. 12,992 August 9, 1993
T. S. Cochrane, with Antonio Vazquez G.,
F. J. Santana M., and D. T. Aussem
Field work supported by the Instltuto Manantl/n de Ecologfa
y Conservaclrfn de La Blodlversidad (IMECBIO), Univ. de Guad-
alajara, and the Natural History Museums Council, E.K. and
O.N. Allen Herbarium Fund, and the Davis Fund, all of the
Univ. of Wlsconsln-Madlson.
Stand 38, actual quantitative data:
undisturbed; Chusquea was in bloom. Exposure:
W; slope: 65%, 70%. Six poorly defined strata:
herbs, shrubs, saplings, subcanopy, canopy,
emergents (very rare) ; 26 total woody spp. pre-
sent (of greater than 1 in. diam.) ; Chamaedorea
pochutlensis reaching its highest altitudinal
limit and surprisingly abundant. Leading dom-
inants (also canopy trees) : Acacia acatlensis -
I.V. 14.24. Prunus cortapico-8.96, Oreopanax
xalapensis-8.12; secondarily important (subcan-
opy): Pipholis-5.98. Liabumaff. broomeae-4.0L
Erythrina lanata-3.95. Russelia (5-6mtain-
3.14, Trichilia glabra-3.00: understorv: Mon-
tanoa (ande'rgonii?)-4.05. Chamaedorea p.-4.00.
10 quadratsofoToi ha sampledB0.10 ha sampled.
04146673