CENTER FOR PHYCOLOGICAL DOCUMENTATION
DECEW'S GUIDE

Collinsiella tuberculata Setchell et Gardner
	CONTENTS     FIGURES     ABOUT     INDEXES: Reds · Greens · Browns     KEYS: Browns

Illustrations: Abbott and Hollenberg 1976, p. 119, fig. 81 ( habit ); Scagel 1960, pl. 1, 7 ( photos: habit ), fig. 2 ( photo: surface view, gametangia ), fig. 3 ( photo: gametes ), figs. 4, 5 ( photos: optical section, development of gametangia ), fig. 6 ( photo: optical section, vegetative part of thallus ), pl. 2, figs. 8 & ndash; 13, pl. 3, figs. 14 & ndash; 16 ( photos: development of Enteromorpha stage in culture ), figs. 19 & ndash; 31 ( gamete production and zygote germination in Enteromorpha stage ), figs. 32 & ndash; 48 ( zoospore production and recycling of Enteromorpha stage ); Scagel 1966, pl. 12, fig. A ( habit ), fig. B ( gametangia ), fig. C ( surface view ), fig. D ( gamete ), fig. E ( squashed preparation showing mucilaginous sheath ); Setchell and Gardner 1903, pl. 17, fig. 1 ( habit ), fig. 2 ( vertical section of plant ), fig. 3 ( branching detail ), fig. 4 ( tangential section showing cell division planes ), figs. 5 & ndash; 7 ( details, terminal cell ) Pacific Coast Distribution: Klokachef I ., near Sitka, Alaska ( G. Hansen et al. 1982, p. 116 ) to Pacific Grove, Monterey Peninsula, Calif. ( Smith 1944, p. 31 ) Taxonomy: ( see: Notes, p. 000 ) Life History: globose gelatinous thallus producing biflagellate gametes, zygote germinating immediately to produce a tubular thallus similar to Enteromorpha, which recycles the tubular thallus by means of quadriflagellate zoospores ( Scagel 1960 ) Biology/Ecology: Dethier 1984, p. 106; Dethier 1982, p. 57

							J	F	M	A	M	J	J	A	S	O	N	D
BRITISH COLUMBIA						Repr													Uncommon, on stones and pebbles in shallow pools exposed to heavy surf in the mid and low intertidal. Scagel 1957, p. 31. Scagel 1966, p. 23. J. Norris and Abbott 1972, p. 87. Hawkes et al. 1979, p. 89. Garbary et al. 1985, p. 43.
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COLUMBIA RIVER						Repr													Uncommon, on rocks of the upper intertidal. Doty 1947, p. 5.
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CAPE ARAGO						Repr													Uncommon. On rock awash at high tide. Dawson 1965 a, p. 5.
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CAPE MENDOCINO						Repr													Rare, in depressions on granite boulder in upper intertidal, at Mendocino Headland ( Silva 11126 in UC ).
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POINT ARENA						Repr													Common, in the upper and mid intertidal, on rocks in moderate to fully exposed habitats. Johansen 1966 a, p. 83. Kjeldsen 1995, p. 6.
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SAN FRANCISCO						Repr													Uncommon, on rocks scoured smooth by sand in the mid intertidal. Smith 1944, p. 31.
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