I’ve compiled a list of the template names of the most common OOTB Site Definitions. The list was generated by perusing the contents of the WEBTEMP files found in C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\TEMPLATE\1033\XML.

• STS#0 – Team Site
• STS#1 – Blank Site
• STS#2 – Document Workspace
• CMSPUBLISHING#0 – Publishing Site
• BLANKINTERNET#2 – Publishing Site with Workflow
• BLANKINTERNETCONTAINER#0 – Publishing Portal
• WIKI#0 – Wiki Site
• BLOG#0 – Blog Site
• BDR#0 – Document Center
• OFFILE#1 – Records Center
• SPSPORTAL#0 – Collaboration Portal
• SPSNHOME#0 – News Site
• MPS#0 – Basic Meeting Workspace
• MPS#1 – Blank Meeting Workspace
• MPS#2 – Decision Meeting Workspace
• MPS#3 – Social Meeting Workspace
• MPS#4 – Multipage Meeting Workspace
• SPSMSITE#0 – Personalization Site
• SPSITES#0 – Site Directory
• SPSREPORTCENTER#0 – Report Center
• SRCHCEN#0 – Search Center with Tabs
• SRCHCENTERLITE#0 – Search Center