Scarlet Spiderling

Boerhavia coccinea

Coulter's Spiderling

Boerhavia coulteri

Boerhavia coulteri var. palmeri

Creeping Sticky Stem

Boerhavia triquetra

Boerhavia triquetra var. intermedia

Largebract Spiderling

Boerhavia wrightii

Gaping Keckiella

Keckiella breviflora

Oblong Leafed Four O'clock

Mirabilis albida

Winged Four O'clock

Mirabilis alipes

Red Four O'clock

Mirabilis coccinea

Desert Wishbone-bush

Mirabilis laevis

California Four O'clock

Mirabilis laevis var. crassifolia

Bigelow Four O'clock

Mirabilis laevis var. retrorsa

Wishbone Bush

Mirabilis laevis var. villosa

Colorado Four O'clock

Mirabilis multiflora

Giant Four O'clock

Mirabilis multiflora var. glandulosa

Desert Four O'clock

Mirabilis multiflora var. pubescens

Slender-lobed Four O'clock

Mirabilis tenuiloba

White-margined Beardtongue

Penstemon albomarginatus

Siskiyou Beardtongue

Penstemon anguineus

Azure Penstemon

Penstemon azureus

Azure Penstemon

Penstemon azureus var. angustissimus

Azure Penstemon

Penstemon azureus var. azureus

Pinto Beardtongue

Penstemon bicolor

San Bernardino Beardtongue

Penstemon caesius

Limestone Beardtongue

Penstemon calcareus

California Beardtongue

Penstemon californicus

Scarlet Bugler

Penstemon centranthifolius

Gray Beardtongue

Penstemon cinereus

Ash Penstemon

Penstemon cinicola

Cleveland's Beardtongue

Penstemon clevelandii

Cleveland's Beardtongue

Penstemon clevelandii var. clevelandii

San Jacinto Beardtongue

Penstemon clevelandii var. connatus

Cleveland's Beardtongue

Penstemon clevelandii var. mohavensis

Davidson's Penstemon

Penstemon davidsonii

Davidson's Penstemon

Penstemon davidsonii var. davidsonii

Scabland Penstemon

Penstemon deustus

Scabland Penstemon

Penstemon deustus var. deustus

Hot Rock Beardtongue

Penstemon deustus var. pedicellatus

Scabland Penstemon

Penstemon deustus var. suffrutescens

Firecracker Penstemon

Penstemon eatonii

Eaton's Penstemon

Penstemon eatonii var. eatonii

Eaton's Penstemon

Penstemon eatonii var. undosus

Panamint Beardtongue

Penstemon floridus

Austin's Beardtongue

Penstemon floridus var. austinii

Desert Beardtongue

Penstemon fruticiformis

Amargosa Beardtongue

Penstemon fruticiformis var. amargosae

Desert Beardtongue

Penstemon fruticiformis var. fruticiformis

Slender Penstemon

Penstemon gracilentus

Grinnell's Beardtongue

Penstemon grinnellii

Grinnell's Beardtongue

Penstemon grinnellii var. grinnellii

Grinnell's Beardtongue

Penstemon grinnellii var. scrophularioides

Sierra Beardtongue

Penstemon heterodoxus

Sierra Beardtongue

Penstemon heterodoxus var. cephalophorus

Sierra Beardtongue

Penstemon heterodoxus var. heterodoxus

Shasta Beardtongue

Penstemon heterodoxus var. shastensis

Foothill Penstemon

Penstemon heterophyllus

Southern Foothill Penstemon

Penstemon heterophyllus var. australis

Foothill Penstemon

Penstemon heterophyllus var. heterophyllus

Purdy's Foothill Penstemon

Penstemon heterophyllus var. purdyi