Plantaginaceae
Collinsia childii Parry ex A.Gray
Collinsia childii Parry ex A.Gray
Collinsia childii is a small annual glandular-haired herb with pale lavender lobed flowers, growing up to 35 cm tall.
Collinsia linearis A.Gray
Collinsia linearis A.Gray
Collinsia linearis is an annual purple-blue flowering herb that grows in open coniferous forests, with n=7 chromosomes.
Collinsia torreyi A.Gray
Collinsia torreyi A.Gray
Collinsia torreyi is an annual herbaceous flowering plant of the plantain family native to western North America.
Penstemon barrettiae A.Gray
Penstemon barrettiae A.Gray
Penstemon barrettiae, or Barrett's beardtongue, is a flowering plant endemic to the Pacific Northwest, growing on rocky outcrops in southern Washington and northern Oregon.
Penstemon thurberi Torr.
Penstemon thurberi Torr.
Penstemon thurberi, or Thurber's penstemon, is a shrub native to the southwestern US and northern Mexico.
Penstemon thompsoniae (A.Gray) Rydb.
Penstemon thompsoniae (A.Gray) Rydb.
Penstemon thompsoniae is a small mat-forming perennial endemic to the southwestern US that has conservation status in California and can be grown in specialized cultivation.
Penstemon attenuatus Douglas
Penstemon attenuatus Douglas
Penstemon attenuatus is a perennial flowering herb native to the northwestern US, grown for landscaping and rangeland revegetation.
Penstemon canescens (Britton) Britton
Penstemon canescens (Britton) Britton
Penstemon canescens is an herbaceous flowering plant native to the eastern United States that grows in well-drained habitats.
Penstemon arkansanus Pennell
Penstemon arkansanus Pennell
Penstemon arkansanus Pennell is a perennial North American beardtongue that flowers from late May to early June.
Penstemon australis Small
Penstemon australis Small
Penstemon australis Small is a herbaceous flowering plant native to the dry sandy habitats of the southeastern United States.
Penstemon griffinii A.Nelson
Penstemon griffinii A.Nelson
Penstemon griffinii, or Griffin's penstemon, is a perennial herb native to Colorado and New Mexico, sometimes cultivated in gardens.
Penstemon smallii A.Heller
Penstemon smallii A.Heller
Penstemon smallii A.Heller is a flowering plant native to the southeastern US, primarily pollinated by bumblebees and wasps.
Penstemon watsonii A.Gray
Penstemon watsonii A.Gray
Penstemon watsonii is a long-lived herbaceous penstemon native to the central Intermountain West of the US, growing in rocky open habitats.
Penstemon brevisepalus Pennell
Penstemon brevisepalus Pennell
Penstemon brevisepalus is a hairy-flowered beardtongue native to the central Appalachian region of the eastern United States.
Penstemon caesius A.Gray
Penstemon caesius A.Gray
Penstemon caesius, the San Bernardino penstemon, is a subshrub perennial endemic to California mountain habitats.
Penstemon purpusii Brandegee
Penstemon purpusii Brandegee
Penstemon purpusii, or Snow Mountain beardtongue, is an uncommon perennial herb endemic to northern California.
Penstemon roezlii Regel
Penstemon roezlii Regel
Penstemon roezlii Regel, or Roezl's penstemon, is a blue-purple flowered perennial herb native to the western US.
Penstemon scapoides D.D.Keck
Penstemon scapoides D.D.Keck
Penstemon scapoides (pinyon beardtongue) is an uncommon hairy perennial penstemon endemic to Inyo County, California.
Penstemon bicolor (Brandegee) Clokey & D.D.Keck
Penstemon bicolor (Brandegee) Clokey & D.D.Keck
Penstemon bicolor is a flowering beardtongue native to mountainous areas of three western US states.
Penstemon incertus Brandegee
Penstemon incertus Brandegee
Penstemon incertus, or Mojave beardtongue, is an endemic California blue-purple flowering shrub found in southeastern mountain habitats.
Chelone obliqua L.
Chelone obliqua L.
Chelone obliqua is a herbaceous perennial ornamental flowering plant native to the eastern and central United States.
Keckiella lemmonii (A.Gray) Straw
Keckiella lemmonii (A.Gray) Straw
Keckiella lemmonii is a small shrub that produces oppositely arranged oval leaves and dull purple streaked flowers.
Keckiella rothrockii (A.Gray) Straw
Keckiella rothrockii (A.Gray) Straw
Rothrock's keckiella (Keckiella rothrockii) is a short shrub native to the desert mountains of California and Nevada.
Chionophila jamesii Benth.
Chionophila jamesii Benth.
Chionophila jamesii, or Rocky Mountain snowlover, is a small perennial alpine plant endemic to the Southern Rocky Mountains.
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