Dempster & Ehrend. (Piper) 1965 - Dempster LT, Ehrendorfer F (1965) Evolution of the Galium Multiflorum Complex in Western North America. II. Critical Taxonomic Revision. Brittonia 17(4): 289-334. doi: 10.2307/2805025.
Specifications
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Synonyms
Galium multiflorum subsp. puberulum Piper
Galium watsonii subsp. puberulum (Piper) Ehrend.
Galium multiflorum var. puberulum (Piper) H.St.John
Galium serpenticum var. puberulum (Piper) Dempster