A government-issued passport from your home country is generally accepted as valid identification for visitor applications at Texas Department of Criminal Justice facilities including Pam Lychner. It establishes your identity with the same authority as any other government document and should satisfy the ID requirement for the visitor approval process.
That said, confirm this directly with the facility before making the trip. Call Pam Lychner's visiting office at 281-454-5036 and ask specifically whether a foreign passport is accepted as the primary form of identification for visitor applications. That one call takes a few minutes and gives you a definitive answer before you invest time and travel in showing up unprepared.
When you call, ask about the full visitor application process at the same time. TDCJ requires all visitors to submit an application and pass a background check before being approved. Getting that application submitted and processed before your first visit means everything is in order when you arrive rather than having to wait through an approval period after the fact.
Pam Lychner is located in Humble, Texas, and the visiting staff there are accustomed to fielding questions about the process. A polite and straightforward call asking what you need to bring and how to apply is the right first step before anything else.
Once you are approved, keeping communication strong between visits through InmateAid letters and photos is an easy way to stay connected without the travel time every time.