[Wildflowers West of the Cascade Mountains with Petals in Multiples of 3 (3, 6, 9 etc..)]

The Arrow-grass Family West of the Cascade Mountains of Oregon and Washington




Awl-leaf Lilaea, Flowering Quillwort: Lilaea scilloides (Synonym: Lilaea subulata)

Graceful Arrowgrass, Slender Arrowgrass: Triglochin concinna (Synonyms: Triglochin concinna var. concinna, Triglochin concinna var. debilis, Trigloghin concinnum, Triglochin concinnum var. concinnum, Triglochin concinnum var. debile, Triglochin debilis, Triglochin elata)

Seaside Arrowgrass: Triglochin maritima (Synonym: Triglochin maritimum)

Three-ribbed Arrowgrass: Triglochin striata

Paul Slichter