|First Collector||L. Paulik|
|Habitat||San Francisco Mts. Flagstaff Spring|
Cross-section round. Outline with rips. Culm center filled. Recognizable epidermis cells. Continuous peripheral sclerenchymatic belt. Large vascular bundles in 2-3 rows. Small vascular bundles integrated in the sclerenchymatic belt. Solitary large vascula
Outline wavy. Vascular bundles centered between the upper and lower side of the leaf. Girders extending from the vascular bundle to the lower side of the leaf.