| Number | Year | Dates | Location | Organizer(s) | Affiliation | 
  
    | 27 | 2013 | October 18-20 | Casey Conference Center, Whidbey Island, WA | Fitch, Nelson | WVCC and SPU | 
  
    | 26 | 2012 | May 11-13 | University of British Columbia | Martone | UBC | 
  
    | 25 | 2011 | July 12-16 | University of Washington, Seattle Washington With the Phycological Society of America | Nelson, Casamatta | SPU and UW | 
  
    | 24 | 2010 | April 16-18 | Cornet Bay Environmental Learning Center, Whidbey Island, WA | Mumford, Waaland | WADNR and UW | 
  
    | 23 | 2009 | May 8-10 | Casey Conference Center, Whidbey Island, WA | Nelson, Waaland | SPU and UW | 
  
    | 22 | 2008 | April 4-6 | Oregon Institute of Marine Biology, Charleston, OR | O'Higgins, Hansen, O'Higgins | NRC and OSU | 
  
    | 21 | 2007 | February 23-25 | Friday Harbor Laboratories, Friday Harbor, WA | Kitaeff, Klinger | UW | 
  
    | 20 | 2006 | July 5-12 | Juneau, AK, with the Phycological Society of America | Steckoll | UA-SE | 
  
    |  |  | April 22-24 | Walla Walla College Marine Station, Rosario Beach, WA | Fitch, Waaland | WVC, UW | 
  
    | 18  | 2004  | April 23-25  | Bamfield Marine Sciences Centre  | Druehl  | SFU  | 
  
    | 17  | 2003  | June 14-19  | Salishan Lodge and Golf Resort, Gleneden Beach, OR 
       With the Phycological Society of America  | Hansen, Rasmussen 
       (Hansen)  | OSU, HSU   | 
  
    | 16  | 2002  | May 22-24  | Northcoast Inn, Arcata, CA  | Shaughnessy  | HSU  | 
  
    | 15  | 2001  | May 11-13  | Camp Casey, Whidbey Island, WA  | Mumford, Waaland, Nelson, Muller-Parker | WADNR, UW, SPU, WWU  | 
  
    | 14  | 2000   | May 12-14   | University of British Columbia, Vancouver, BC  | Lindstrom, Waaland  | UBC, UW   | 
  
    | 13  | 1999  | May 14-16  | Adobe Resort, Yachats, OR  | Hansen, Apple  | OSU  | 
  
    | 12  | 1998  | May 29-31  | Camp Casey, Whidbey Island, WA With the Pacific Estuarine Research Society
 | Muller-Parker (Strom, Bulthuis)
 | WWU  | 
  
    | 11  | 1997  | May 9-11  | University of Victoria, Victoria, BC  | Lucy, Barraclough  | UVic  | 
  
    | 10  | 1996  | Mar. 15-17  | Oregon Institute of Marine Biology, Charleston, OR  | Adamson  | UO  | 
  
    | 9  | 1995  | Mar. 31-Apr. 2  | Walla Walla College Marine Station, Rosario Beach, WA  | Fitch, Dixon  | WVC, WWC  | 
  
    | 8  | 1994  | Apr. 1-3  | Humboldt State University, Arcata , CA  | Rasmussen  | HSU  | 
  
    | 7  | 1993  | Apr. 9-11  | Ft. Worden State Park, Port Townsend , WA    | Waaland, Mumford   | UW, WADNR  | 
  
    | 6  | 1992  | Mar. 20-22  | Oregon Institute of Marine Biology, Charleston, OR  | Wood, Henry  | UO, OSU  | 
  
    | 5  | 1990  | Oct. 5-7  | Walla Walla College Marine Station, Rosario Beach, WA  | DeWreede, Dixon   | UBC, WWC  | 
  
    | 4  | 1989  | Mar. 24-26  | Walla Walla College Marine Station, Rosario Beach, WA  | Dixon   | WWC   | 
  
    | 3  | 1987  | Oct. 9-12  | Oregon Institute of Marine Biology, Charleston, OR  | Lippert  | PSU  | 
  
    | 2  | 1986  | Mar. 27-31  | Bamfield Marine Station, WCUMBS, Bamfield, BC  | Foreman, Hansen  | UBC   | 
  
    | 1  | 1984  | Nov. 10-12  | Friday Harbor Labs, Friday Harbor, WA  | Hansen  | WWU  |