Links to Ryan McDaniel's (@rymcdaniel) journal postings on identifying Callirhoe (Poppymallows) in Texas
A short guide to Callirhoe in Texas
https://www.inaturalist.org/posts/54356-a-short-guide-to-callirhoe-in-texas
An examination of Research Grade Observations in the genus Callirhoe
https://www.inaturalist.org/journal/rymcdaniel/55726-an-examination-of-research-grade-observations-in-the-genus-callirhoe