(seuls figurent les spécimens informatisés et non l''intégralité des collections)
ISOTYPE Penstemon pudicus Reveal & Beatley
(MNHN-P-P00584260)
Penstemon virgatus A.Gray
(MNHN-P-P01102090)
Penstemon richardsonii Douglas ex Lindl.
(MNHN-P-P01045378)
Penstemon cordifolius Benth.
(MNHN-P-P01045379)
Penstemon albidus Nutt.
(MNHN-P-P01045380)
Penstemon albidus Nutt.
(MNHN-P-P00886524)
Penstemon albidus Nutt.
(MNHN-P-P00886525)
Penstemon serrulatus Menzies ex Sm.
(MNHN-P-P00871457)
Penstemon campanulatus (Cav.) Willd.
(MNHN-P-P00904555)
Penstemon pubescens Aiton
(MNHN-P-P00904556)
Penstemon gentianoides Kunth
(MNHN-P-P00904558)
Penstemon frutescens Lamb.
(MNHN-P-P00966157)
Penstemon cyananthus Hook.
(MNHN-P-P00947045)
Penstemon sp.
(MNHN-P-P01141726)
CLF-CLF-CLF068996 Herbier
CLF-CLF-CLF068997 Herbier
CLF-CLF-CLF068998 Herbier
CLF-CLF-CLF068999 Herbier
CLF-CLF-CLF071000 Herbier
CLF-CLF-CLF071001 Herbier
CLF-CLF-CLF071002 Herbier
CLF-CLF-CLF071003 Herbier
CLF-CLF-CLF071004 Herbier
CLF-CLF-CLF071005 Herbier
CLF-CLF-CLF071006 Herbier
CLF-CLF-CLF071007 Herbier
CLF-CLF-CLF071008 Herbier
CLF-CLF-CLF071009 Herbier
CLF-CLF-CLF071010 Herbier
CLF-CLF-CLF071011 Herbier
CLF-CLF-CLF071012 Herbier
CLF-CLF-CLF071013 Herbier
CLF-CLF-CLF071014 Herbier
CLF-CLF-CLF071015 Herbier
CLF-CLF-CLF071016 Herbier
CLF-CLF-CLF071017 Herbier
CLF-CLF-CLF071018 Herbier
CLF-CLF-CLF071019 Herbier
CLF-CLF-CLF071020 Herbier
CLF-CLF-CLF071021 Herbier
(seuls figurent les spécimens informatisés et non l''intégralité des collections)