| Nome Latino | Nome Comune | Famiglia | |
| | | | |
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Penstemon tracyi Keck |
Paulonia |
Scrophulariaceae |
|
|
Penstemon triflorus Heller |
Paulonia |
Scrophulariaceae |
|
|
Penstemon triflorus Heller ssp. integrifolius Pennell |
Paulonia |
Scrophulariaceae |
|
|
Penstemon triflorus Heller ssp. triflorus |
Paulonia |
Scrophulariaceae |
|
|
Penstemon triflorus Heller var. integrifolius (Pennell) Cory |
Paulonia |
Scrophulariaceae |
|
|
Penstemon triphyllus Dougl. ex Lindl. |
Paulonia |
Scrophulariaceae |
|
|
Penstemon triphyllus Dougl. ex Lindl. ssp. diphyllus (Rydb.) Keck |
Paulonia |
Scrophulariaceae |
|
|
Penstemon tubiflorus Nutt. |
Paulonia |
Scrophulariaceae |
|
|
Penstemon tubiflorus Nutt. var. achoreus Fern. |
Paulonia |
Scrophulariaceae |
|
|
Penstemon tubiflorus Nutt. var. tubiflorus |
Paulonia |
Scrophulariaceae |
|
|
Penstemon tusharensis N. Holmgren |
Paulonia |
Scrophulariaceae |
|
|
Penstemon uintahensis Pennell |
Paulonia |
Scrophulariaceae |
|
|
Penstemon unilateralis Rydb. |
Paulonia |
Scrophulariaceae |
|
|
Penstemon utahensis Eastw. |
Paulonia |
Scrophulariaceae |
|
|
Penstemon variabilis Suksdorf |
Paulonia |
Scrophulariaceae |
|
|
Penstemon vaseyanus Greene |
Paulonia |
Scrophulariaceae |
|
|
Penstemon venosus (Keck) Reveal |
Paulonia |
Scrophulariaceae |
|
|
Penstemon venustus Dougl. ex Lindl. |
Paulonia |
Scrophulariaceae |
|
|
Penstemon versicolor Pennell |
Paulonia |
Scrophulariaceae |
|
|
Penstemon virens Pennell ex Rydb. |
Paulonia |
Scrophulariaceae |
|
|
Penstemon virgatus Gray |
Paulonia |
Scrophulariaceae |
|
|
Penstemon virgatus Gray ssp. arizonicus (Gray) Keck |
Paulonia |
Scrophulariaceae |
|
|
Penstemon virgatus Gray ssp. asa-grayi Crosswhite |
Paulonia |
Scrophulariaceae |
|
|
Penstemon virgatus Gray ssp. pseudoputus Crosswhite |
Paulonia |
Scrophulariaceae |
|
|
Penstemon virgatus Gray ssp. putus (A. Nels.) Crosswhite |
Paulonia |
Scrophulariaceae |
|
|
Penstemon virgatus Gray var. asa-grayi (Crosswhite) Dorn |
Paulonia |
Scrophulariaceae |
|
|
Penstemon wardii Gray |
Paulonia |
Scrophulariaceae |
|
|
Penstemon washingtonensis Keck |
Paulonia |
Scrophulariaceae |
|
|
Penstemon watsonii Gray |
Paulonia |
Scrophulariaceae |
|
|
Penstemon watsonii Gray ssp. laxus (A. Nels.) Keck |
Paulonia |
Scrophulariaceae |
|
|
Penstemon wherryi Pennell |
Paulonia |
Scrophulariaceae |
|
|
Penstemon whippleanus Gray |
Paulonia |
Scrophulariaceae |
|
|
Penstemon whitedii Piper |
Paulonia |
Scrophulariaceae |
|
|
Penstemon whitedii Piper ssp. dayanus (T.J. Howell) Keck |
Paulonia |
Scrophulariaceae |
|
|
Penstemon whitedii Piper ssp. tristis Pennell & Keck |
Paulonia |
Scrophulariaceae |
|
|
Penstemon wilcoxii Rydb. |
Paulonia |
Scrophulariaceae |
|
|
Penstemon wisconsinensis Pennell |
Paulonia |
Scrophulariaceae |
|
|
Penstemon wrightii Hook. |
Paulonia |
Scrophulariaceae |
|
|
Penstemon yampaensis Penl. |
Paulonia |
Scrophulariaceae |
|
|
Penstemon ×crideri A. Nels. (pro sp.) [eatonii × pseudospectabilis] |
Paulonia |
Scrophulariaceae |
|
|
Penstemon ×dubius A. Davids. (pro sp.) [centranthifolius × grinnellii] |
Paulonia |
Scrophulariaceae |
|
|
Penstemon ×hybridus hort. ex Groenl. & Rumpler, nom. inval. [anomalous] |
Paulonia |
Scrophulariaceae |
|
|
Penstemon ×jonesii Pennell (pro sp.) [eatonii × laevis] |
Paulonia |
Scrophulariaceae |
|
|
Penstemon ×mirus A. Nels. (pro sp.) [eatonii × palmeri] |
Paulonia |
Scrophulariaceae |
|
|
Penstemon ×parishii Gray (pro sp.) [centranthifolius × spectabilis] |
Paulonia |
Scrophulariaceae |
|
|
Penstemon ×peirsonii Munz & I.M. Johnston (pro sp.) [grinnellii × speciosus] |
Paulonia |
Scrophulariaceae |
|
|
Pentachaeta alsinoides Greene |
|
Asteraceae |
|
|
Pentachaeta aphantochaeta Greene |
|
Asteraceae |
|
|
Pentachaeta aurea Nutt. |
|
Asteraceae |
|
|
Pentachaeta bellidiflora Greene |
|
Asteraceae |
|
|
Pentachaeta exilis (Gray) Gray |
|
Asteraceae |
|
|
Pentachaeta exilis (Gray) Gray ssp. aeolica Van Horn & Ornduff |
|
Asteraceae |
|
|
Pentachaeta exilis (Gray) Gray ssp. exilis |
|
Asteraceae |
|
|
Pentachaeta exilis (Gray) Gray var. aphantochaeta Gray |
|
Asteraceae |
|
|
Pentachaeta exilis (Gray) Gray var. discoidea Gray |
|
Asteraceae |
|
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Pentachaeta exilis (Gray) Gray var. grayi Jepson |
|
Asteraceae |
|
|
Pentachaeta fragilis Brandeg. |
|
Asteraceae |
|
|
Pentachaeta lyonii Gray |
|
Asteraceae |
|
|
Pentachaeta Nutt. |
|
Asteraceae |
|
|
Pentachaeta orcuttii Gray |
|
Asteraceae |
|
|
Pentachaeta paleacea Greene |
|
Asteraceae |
|
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Pentaclethra Benth. |
Sofora |
Fabaceae |
|
|
Pentaclethra macrophylla Benth. |
Sofora |
Fabaceae |
|
|
Pentadesma butyracea Sabine |
Iperico |
Clusiaceae |
|
|
Pentadesma Sabine |
Iperico |
Clusiaceae |
|
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Pentaglottis sempervirens (L.) Tausch ex Bailey |
|
Boraginaceae |
|
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Pentaglottis Tausch |
|
Boraginaceae |
|
|
Pentagramma pallida (Weatherby) Yatskievych, Windham & Wollenweber |
Felce maschio |
Dryopteridaceae |
|
|
Pentagramma triangularis (Kaulfuss) Yatskievych, Windham & Wollenweber |
Felce maschio |
Dryopteridaceae |
|
|
Pentagramma triangularis (Kaulfuss) Yatskievych, Windham & Wollenweber ssp. maxonii (Weatherby) Yatskievych, Windham & Wollenweber |
Felce maschio |
Dryopteridaceae |
|
|
Pentagramma triangularis (Kaulfuss) Yatskievych, Windham & Wollenweber ssp. semipallida (J.T. Howell) Yatskievych, Windham & Wollenweber |
Felce maschio |
Dryopteridaceae |
|
|
Pentagramma triangularis (Kaulfuss) Yatskievych, Windham & Wollenweber ssp. triangularis |
Felce maschio |
Dryopteridaceae |
|
|
Pentagramma triangularis (Kaulfuss) Yatskievych, Windham & Wollenweber ssp. viscosa (D.C. Eat.) Yatskievych, Windham & Wollenweber |
Felce maschio |
Dryopteridaceae |
|
|
Pentagramma Yatskievych, Windham & Wollenweber |
Felce maschio |
Dryopteridaceae |
|
|
Pentalinon luteum (L.) B.F. Hansen & Wunderlin |
|
Apocynaceae |
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