Penstemon confertus Douglas

Галерея субтаксонов

https://cyberleninka.ru/article/n/introduktsiya-predstaviteley-roda-penstemon-schmidel-v-respublike-bashkortostan/viewer

https://megabook.ru/article/%D0%9F%D0%B5%D0%BD%D1%81%D1%82%D0%B5%D0%BC%D0%BE%D0%BD%20%D1%81%D0%BA%D1%83%D1%87%D0%B5%D0%BD%D0%BD%D1%8B%D0%B9%2C%20%D0%B6%D0%B5%D0%BB%D1%82%D1%8B%D0%B9%20%E2%80%93%20Penstemon%20confertus%20Douglas.