Vaucheria longipes Collins

• Region

  North America

• Country

  United States of America

• State/Province

  Illinois

• County/Municipio

  Cook Co.

• Locality

  in shallow pool in old quarry at east edge of Lemont

• Coordinates

  41.6703, -87.9799

• Coordinate Uncertainty (m)

  5241.39

• Georeferencing Method

  Georeferencing Quick Reference Guide, Version 2012. Located coordinates of geogr. center of Lemont. Measured from coord. to farthest extent of the village to find linear extent (4230 m). Used MaNIS Georef. Calculator to find uncertainty (Bounded Area).

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

In the Cryptogamie Herbarium, Chicago Natural History Museum
. i j	2457. Vaucheria longipes Coll»
1 ' 1	-.-im in shallow pool in old quarry at east 1 edge of Lemont, Cook county, Illinois 15 Apr. 1939
\'V.I J ?v ! ? 'I	1 Donald Richards and Francis Drouet
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m	NEW YORK
' ' ‘1	BOTANICAL
' '?	GARDEN
Vaucheria longlpes' Collins , n. sp.
Bhodora 9: 201. £l. 76. f. 1. 0 1907.
Filamehtis 80-90 li diam., sparse et irregulariter ramosis;
ramo sporifero, 30-40 u diam., sub angulo recto exeunte, 1-6 mm.
longo, antheridium terminal©, cylindricum aut paulo attenuatum,
hammatum vel circinatum sustipente; oogoniis 2-4, ovoideis, sub-
obliquis, pedicellatis, 70-85 X35-40 u, antheridium superantibus;
rostro 15 longo; pedicellis 100-150 u longis, 20-30 u diam.,sub
antheridio ortis.
'Filaments 80-90 u diam., oogonia and antheridia borne at
the end of a branch l-o mm. long, 30-40 u diam.;antheridium ter-
minal, cylindrical or slightly tapering, hooked or circinate; oogo-
nia 2-4, ovoid, somewhat oblique, pedicelled, 70-85 % 35-40 u, usual-
ly surpassing the antheridium; pedicels 100-150 u long, 20-30 u diam,,
arising just ‘below the antheridium; beak 15 u long. In a diton by the
roadside, Ross Valley, California, Jan., 1904.
N. L. Gardner.
Somewhat resembling V . geminata. but distinct by the very long
fruiting branches, at righT angles to the filaments, as well as by the
more elongate oogonia, borne on longer pedicels.
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