
doi: 10.1007/bf02862713
1Department of Botany, University of Washington, Seattle 5, Washington. Received for publication January 29, 1964. of Vancouver Island. The rest were collected in the San Juan Islands. The method used for assay is that of Cameron, Ross, and Percival (1948), which consists briefly of the following steps: Dry the weed at 25?-30? C; grind, using a 64 mesh screen, reflux for eight hours in N. sulphuric acid; neutralize, and estimate the reducing power before and after treatment with yeast.
| selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 10 | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |
