Using the powershell command: Get-SPWebTemplate you can get a list of templates with their ID's.
Here is the list from a standard SharePoint 2010 environment.
| Name | Title |
| ---- | ----- |
| GLOBAL#0 | Global template |
| STS#0 | Team Site |
| STS#1 | Blank Site |
| STS#2 | Document Workspace |
| 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 |
| CENTRALADMIN#0 | Central Admin Site |
| WIKI#0 | Wiki Site |
| BLOG#0 | Blog |
| SGS#0 | Group Work Site |
| TENANTADMIN#0 | Tenant Admin Site |
| ACCSRV#0 | Access Services Site |
| ACCSRV#1 | Assets Web Database |
| ACCSRV#3 | Charitable Contributions Web Database |
| ACCSRV#4 | Contacts Web Database |
| ACCSRV#6 | Issues Web Database |
| ACCSRV#5 | Projects Web Database |
| BDR#0 | Document Center |
| OFFILE#0 | (obsolete) Records Center |
| OFFILE#1 | Records Center |
| OSRV#0 | Shared Services Administration Site |
| PPSMASite#0 | PerformancePoint |
| BICenterSite#0 | Business Intelligence Center |
| SPS#0 | SharePoint Portal Server Site |
| SPSPERS#0 | SharePoint Portal Server Personal Space |
| SPSMSITE#0 | Personalization Site |
| SPSTOC#0 | Contents area Template |
| SPSTOPIC#0 | Topic area template |
| SPSNEWS#0 | News Site |
| CMSPUBLISHING#0 | Publishing Site |
| BLANKINTERNET#0 | Publishing Site |
| BLANKINTERNET#1 | Press Releases Site |
| BLANKINTERNET#2 | Publishing Site with Workflow |
| SPSNHOME#0 | News Site |
| SPSSITES#0 | Site Directory |
| SPSCOMMU#0 | Community area template |
| SPSREPORTCENTER#0 | Report Center |
| SPSPORTAL#0 | Collaboration Portal |
| SRCHCEN#0 | Enterprise Search Center |
| PROFILES#0 | Profiles |
| BLANKINTERNETCONTAINER#0 | Publishing Portal |
| SPSMSITEHOST#0 | My Site Host |
| ENTERWIKI#0 | Enterprise Wiki |
| SRCHCENTERLITE#0 | Basic Search Center |
| SRCHCENTERLITE#1 | Basic Search Center |
| SRCHCENTERFAST#0 | FAST Search Center |
| visprus#0 | Visio Process Repository |
| NewsSiteDefinition#0 | NewsSiteDefinition |
| PPRBusinessCategory#0 | PPR Business Category |
| PPRContainerSite#0 | PPR Root Site Collection |
| PPRContainerSite#1 | PPR Business Area Site |