Hydroclathrus clathratus (C.Agardh) M.Howe

• Region

  North America

• Country

  Mexico

• State/Province

  Baja California

• Locality

  Isla Concha, Scammon Lagoon

• Coordinates

  27.6644, -114.155

• Coordinate Uncertainty (m)

  31091.6

• Georeferencing Method

  Georeferencing Quick Reference Guide, Version 2012. Located coordinates of geogr. center Scammon Lagoon. Measured from coordinates to farthest extent to find linear extent (31080 m). Input information into MaNIS Georef. Calc. to find uncertainty radius (Bounded Area).

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

JEW YORK
loTANlCAL
QARDEN
^^H^droclathrus clathratus (Bory) Howe
Fronds very irregular in form, in age much lacerated, 5-16 cm.
diam., sessile, attached to the substratum by a broad base, sometimes
several bases confluent, differentiated into two layers of cells; the
apertures varying much in size and form and the frond involute along
their margins; color yellowish brown; hairs in small tufts in the center
of expanded sori.
Growing in tide pools in the lower littoral belt. On the west coast
of Mexico near the mouth of the Gulf of California.
Howe, in Britton and Millspaugh, Bah. Flor., 1920, p. 590; Setchell
and Gardner, Mar. Alg. Gulf of Calif., 1924, p. 727. Hydroclathrus
cancellatus Bory, in Diet, class., vol. 8, 1825, p. 419; Harvey, Phyc.
Austral., 1859, Tab. 98; Mitchell, in Murray, Phyc. Mem., part 2,1893,
pp. 53-56, pi. 15, figs. 2-4. Encoelium clathratum (Bory) Agardh,
Sp. Alg., vol. 1, part 2, 1822, p. 412. Fucus clathratus Bory, MS.,
fide Agardh, loc. cit.
The single species of Hydroclathrus is tropical and widespread in
both the Atlantic and the Pacific oceans. Our specimens, from the
Gulf of California, are old and we have been unable to detect any
gametangia.
HERBARIUM OF
THE NEW YORK BDTANICAL BARDEN
ALGAE OF
Hydroclathrus clathratus (Bory) Howe
Setchell, W. A. & Gardner, N. L. Melanopfcycea»
Univ. Qallf. Publ. Bot. 8: 543, 1925
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MARINE ALGAE OF PACIFIC BAJA CALIFORNIA
Ken^on-Williams Expedition 1946
Hydroclathrus clathratus (Bory) Howe
Locality: iBia Concha» Sceanmon Legoon
Habitat: Littoral, send flats
Collected by Woody Williams
det. by E.Y.D*
April 24, 1946
2506
ALGAE
DISTRIBUTED BY THE ALLAN HANCOCK FOUNDATION
THE UNIVERSITY OF SOUTHERN CALIFORNIA
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MARINE ALGAE OF CALIFORNIA
_Hydroclathrus clathratus (Borv) Howr
Locality: Santa Catalina Isl.
Habitat: Beach drift at Pebbly Beach near Avalon
Collected by E. Yale Dawson March	194$ No. 4913
det. by E. Y. D.
ALGAE
DISTRIBUTED BY THE ALLAN HANCOCK FOUNDATION
THE UNIVERSITY OF SOUTHERN CALIFORNIA
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iARDEN
02243648
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