| Date | Grid | Clue | Author |
|---|---|---|---|
| Wednesday, March 28, 2012 | 66A | Sea lettuce, e.g. (3) | Joe DiPietro |
| Sunday, December 18, 2011 | 33D | Unwanted swimming pool bit | Patrick Merrell |
| Friday, November 25, 2011 | 1A | Mussel morsel | Joe Krozel |
| Monday, April 18, 2011 | 7D | Bit of plankton (3) | James Tuttle |
| Sunday, March 6, 2011 | 100A | Pool organism | David Levinson Wilk |
| Saturday, April 3, 2010 | 53A | Bit of rootless flora | Peter A. Collins and Joe Krozel |
| Wednesday, November 25, 2009 | 27D | Pond organism (9) | Allan E. Parrish |
| Monday, August 10, 2009 | 38A | Pond organism (9) | Paula Gamache |
| Sunday, August 2, 2009 | 12A | Pond organism (9) | Patrick Berry |
| Tuesday, July 7, 2009 | 54D | Sea lettuce, e.g. (3) | Lynn Lempel |
| Sunday, February 8, 2009 | 80D | Aquatic organism | Alan Arbesfeld |
| Wednesday, March 26, 2008 | 58D | Bit of aquarium growth | Michael Langwald |
| Wednesday, October 10, 2007 | 44D | Kelp, for one | Robert Zimmerman |
| Monday, October 8, 2007 | 58A | Pond organism (9) | Steve Kahn |
| Wednesday, June 27, 2007 | 25D | Bit of plankton (3) | Barbara Olson |
| Saturday, January 13, 2007 | 38A | Chlorophyll-containing microorganism | Patrick Berry |
| Thursday, July 27, 2006 | 10D | Bit of scum | Ethan Friedman |
| Sunday, April 23, 2006 | 6A | Sea lettuce, e.g. (3) | Joe DiPietro |
| Thursday, April 20, 2006 | 14A | Aquatic plant (2) | Joe DiPietro |
| Tuesday, January 24, 2006 | 4D | Pond organism (9) | David Sullivan |
| Thursday, November 10, 2005 | 58D | Tiny ponddweller | Lee Glickstein and Craig Kasper |
| Sunday, October 9, 2005 | 39D | Pond plant | Kyle Mahowald |
| Wednesday, June 15, 2005 | 25D | Aquarium growth | Richard Silvestri |
| Monday, May 30, 2005 | 9A | Pond organism (9) | Lynn Lempel |
| Saturday, August 14, 2004 | 2D | Eukaryotic organism | Joe DiPietro |
| Sunday, July 4, 2004 | 134D | Lowlife? | Elizabeth C. Gorski |
| Wednesday, June 23, 2004 | 18A | It lacks roots | Jim Goodsell |
| Wednesday, April 28, 2004 | 2D | Pond floater | John Underwood |
| Tuesday, April 13, 2004 | 1D | Aquatic plant (2) | Bill Ballard |
| Sunday, March 7, 2004 | 114D | Tiny organism | Tyler Hinman |
| Wednesday, June 18, 2003 | 41A | Sea moss constituent | Alan Arbesfeld |
| Thursday, August 29, 2002 | 55A | Bit of seafloor flora | William Schaub |
| Tuesday, May 21, 2002 | 31D | Seaweed, for one | Paula Gamache |
| Tuesday, April 9, 2002 | 10A | Pond organism (9) | Nancy Salomon and Harvey Estes |
| Sunday, January 13, 2002 | 17D | Morsel for a sea snail | Nelson Hardy |
| Thursday, July 12, 2001 | 55D | Bit of ocean flora | William I. Johnston |
| Wednesday, May 31, 2000 | 64A | Pond dweller (2) | M. Francis Vuolo |
| Thursday, December 9, 1999 | 56D | Bit of plankton (3) | Chuck Deodene |
| Wednesday, August 4, 1999 | 11D | Water growth | Richard Silvestri |
| Monday, June 21, 1999 | 39A | Microscopic organism (2) | Gregory E. Paul |
| Saturday, July 19, 1997 | 48A | Foot of a food chain | Robert H. Wolfe |
| Thursday, June 12, 1997 | 35D | Chlorophyta bit | Gilbert H. Ludwig |
| Sunday, May 18, 1997 | 7D | Marine ___ | Frances Hansen |
| Thursday, May 8, 1997 | 46A | Stonewort, e.g. | David J. Kahn |
| Monday, November 4, 1996 | 6A | Tiny aquatic plant | P. Wilson |
| Tuesday, April 16, 1996 | 56D | Pond organism (9) | G. E. Paul |
| Thursday, August 3, 1995 | 4A | Pond dweller (2) | Wayne Robert Williams |
| Sunday, June 18, 1995 | 31D | Bit of Chlorophyta | Rich Norris |
| Friday, June 16, 1995 | 45A | Pond organism (9) | Thomas W. Schier |
| Sunday, October 23, 1994 | 5A | Bit of kelp, e.g. | Cathy Millhauser |
| Sunday, October 9, 1994 | 28A | Microscopic life | Bryant White |
| Sunday, May 8, 1994 | 76A | Microscopic organism (2) | Ralph G. Beaman |
| Tuesday, February 8, 1994 | 1A | Spirogyra or frog spit | Peter Gordon |
2 results for ALGA from Variety puzzles.
| Date | Type | Grid | Clue | Author |
|---|---|---|---|---|
| June 20, 2004 | diagramless | 30A | Bit of pond gunk | Fred Piscop |
| July 7, 2002 | diagramless | 73A | Pond organism | Fred Piscop |
46 results for ALGA from older pre-Shortz puzzles.
| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Tuesday, July 13, 1993 | 39D | Seaweed | Michael S. Maurer | Maleska |
| Monday, June 14, 1993 | 47D | Pond plant | James E. Hinish, Jr. | Maleska |
| Sunday, May 30, 1993 | 132D | Diatom or nostoc | A. J. Santora | Maleska |
| Sunday, May 16, 1993 | 103D | Rootless plant | Robert H. Wolfe | Maleska |
| Tuesday, March 30, 1993 | 30D | Water plant | Joy L. Wouk | Maleska |
| Thursday, July 23, 1992 | 70A | Stonewort | Eugene T. Maleska | Maleska |
| Sunday, February 9, 1992 | 119D | Kelp, for one | John Greenman | Maleska |
| Thursday, September 5, 1991 | 57D | Aquatic plant | Judith Perry | Maleska |
| Sunday, May 19, 1991 | 15D | Water plant | Ralph G. Beaman | Maleska |
| Monday, May 13, 1991 | 60A | Pond growth | Arthur S. Verdesca | Maleska |
| Wednesday, May 1, 1991 | 16A | Seaweed | Christy Ridley | Maleska |
| Friday, April 26, 1991 | 61D | Anabaena | Joy L. Wouk | Maleska |
| Tuesday, June 19, 1990 | 7D | Water plant | Martha J. DeWitt | Maleska |
| Monday, October 2, 1989 | 1A | Seaweed | Burns | Maleska |
| Saturday, August 19, 1989 | 33D | Seaweed | Patterson Pepple | Maleska |
| Monday, September 5, 1988 | 16A | Seaweed | Christy Ridley | Maleska |
| Thursday, June 16, 1988 | 58A | Anabaena or nostoc | Margaret W. Huskey | Maleska |
| Sunday, May 29, 1988 | 43D | Filamentous plant | Judith Perry | Maleska |
| Monday, May 23, 1988 | 30A | Primitive plant | Peter G. Snow | Maleska |
| Wednesday, May 4, 1988 | 6A | Seaweed | Dale O. Burgener | Maleska |
| Sunday, March 13, 1988 | 43A | Rockweed, for one | Peter Swift | Maleska |
| Tuesday, November 10, 1987 | 51A | Water plant | Arthur W. Palmer | Maleska |
| Monday, October 5, 1987 | 17A | Water plant | Albert J. Klaus | Maleska |
| Monday, September 28, 1987 | 11D | Seaweed | Kenneth Witte | Maleska |
| Wednesday, September 9, 1987 | 7D | Unicellular plant | William Canine | Maleska |
| Sunday, July 19, 1987 | 16D | Aquatic plant | Kathryn Righter | Maleska |
| Tuesday, June 23, 1987 | 58D | Stonewort | Norma Steinberg | Maleska |
| Tuesday, September 23, 1986 | 67A | Stonewort | Jeanette K. Brill | Maleska |
| Saturday, July 12, 1986 | 19A | This plus a fungus equals a lichen | Laufer | Maleska |
| Friday, April 25, 1986 | 60D | Seabeard, e.g. | Joy L. Wouk | Maleska |
| Tuesday, April 22, 1986 | 27D | Water plant | Evelyn Benshoof | Maleska |
| Saturday, March 22, 1986 | 49D | Stonewort | Patterson Pepple | Maleska |
| Saturday, June 15, 1985 | 27D | Seaweed | Alan Arbesfeld | Maleska |
| Sunday, May 26, 1985 | 88A | Water plant | Kathryn Righter | Maleska |
| Tuesday, May 21, 1985 | 1A | Sea greenery | Shirley Soloway | Maleska |
| Saturday, October 27, 1984 | 22A | Pond-scum component | Peter Swift | Maleska |
| Tuesday, September 18, 1984 | 2D | Pesky pool plant | Nancy McCarthy | Maleska |
| Monday, September 17, 1984 | 8D | Stonewort, e.g. | Daniels | Maleska |
| Saturday, May 26, 1984 | 11D | Fat-choy or nostoc | Bevington | Maleska |
| Tuesday, February 14, 1984 | 55D | Seaweed | John M. Samson | Maleska |
| Friday, February 10, 1984 | 40D | Diatom | John Greenman | Maleska |
| Sunday, May 29, 1983 | 22A | Rockweed is one | Sam Bellotto Jr. | Maleska |
| Monday, March 28, 1983 | 39A | Rootless plant | Virginia L. Yates | Maleska |
| Sunday, March 27, 1983 | 10A | Sea lettuce | Bernice Gordon | Maleska |
| Sunday, February 6, 1983 | 80D | Kelp | Richard Silvestri | Maleska |
| Thursday, January 20, 1983 | 55D | Seaweed | Christy Ridley | Maleska |