Key to Species: 2
Niphotrichum elongatum; Wolf Creek, Lane Co., Oregon. DHW 7384.
2a Leaf cells with high, conical papillae over cell lumens, several per cell on elongate cells; papillae always well developed on upper part of leaf; leaves generally with long hairpoints; dry plants with a frosted appearance due to the long hairpoints; leaf surface appearing dull and grayish when dry due to dense papillae; seta with a right handed twist, like the threads of a standard machine screw
Couplet 3 (Niphotrichum)
Bucklandiella occidentalis; Slagle Creek, Jackson Co., Oregon. DHW 9488a.
2b Leaf surface smooth or with low, rounded to flat topped bumps or ridges; leaf tips with or without hair points; leaf surface often glossy; seta with a left handed twist, like the thread of a machine screw with reverse threads (except B. lawtoniae)
Couplet 5 (Bucklandiella, Codriophorus)
Guide to Racomitrioideae of Oregon INDEX TO SPECIES HOME
Created 2007 Northwest Botanical Institute