Penstemon rex A. Nelson & J.F. Macbr. sp. nov.

Idaho: Owyhee County: House Creek.
Paratype: Penstemon rex A. Nelson & J.F. Macbr.. Published 1913. Bot. Gaz. 55: 381. 1913.

Aven Nelson 1774, Jun 29, 1912
With J. Francis Macbride
RM, Accession: 75051, Barcode: RM0004327

Penstemon rex A. Nelson & J.F. Macbr. sp. nov.

Idaho: Owyhee County: House Creeek.
Rocky hills. Phenology: Flowering. Paratype: Penstemon rex A. Nelson & J.F. Macbr.. Published 1913. Bot. Gaz. 55: 381. 1913.

Aven Nelson 1774, Jun 29, 1912
With J. Francis Macbride
RM, Accession: 293808, Barcode: RM0004328

Penstemon rex A. Nelson & J.F. Macbr.

Idaho: Owyhee County: Twilight Gulch.
Sunny lava-rock hillsides. Phenology: Flowering. Paratype: Penstemon rex A. Nelson & J.F. Macbr.. Published 1913. Bot. Gaz. 55: 381. 1913.

J. Francis Macbride 977, Jun 23, 1911
RM, Accession: 155414, Barcode: RM0004329

Penstemon rex A. Nelson & J.F. Macbr.

Idaho: Owyhee County: Twilight Gulch.
Sunny lava-rock hillsides. Phenology: Flowering. Paratype: Penstemon rex A. Nelson & J.F. Macbr.. Published 1913. Bot. Gaz. 55: 381. 1913.

J. Francis Macbride 977, Jun 23, 1911
RM, Accession: 71560, Barcode: RM0004331

Penstemon rex A. Nelson & J.F. Macbr.

Idaho: Owyhee County: Twilight Gulch.
Sunny lava-rock hillsides. Phenology: Flowering. Paratype: Penstemon rex A. Nelson & J.F. Macbr.. Published 1913. Bot. Gaz. 55: 381. 1913.

J. Francis Macbride 977, Jun 23, 1911
RM, Accession: 293781, Barcode: RM0004330