| effect | Effects on biomass | 
| effect.default | Effects on biomass | 
| effect.lemna_scenario | Effects on biomass | 
| focusd1 | A Lemna scenario using FOCUS D1 Ditch environmental conditions | 
| focusd2 | A Lemna scenario using FOCUS D2 Ditch environmental conditions | 
| focusr3 | A Lemna scenario using FOCUS R3 Stream environmental conditions | 
| hommen212 | Observed frond numbers reported by Hommen _et al._ (2015) | 
| lemna | Simulate a Lemna scenario | 
| lemna.default | Simulate a Lemna scenario | 
| lemna.lemna_scenario | Simulate a Lemna scenario | 
| lemna_desolve | Access to the ODE solver | 
| metsulfuron | A Lemna scenario fitted to metsulfuron-methyl effect data | 
| new_lemna_scenario | Lemna scenario constructor | 
| param_defaults | Default parameters | 
| param_new | Default parameters | 
| plot.lemna_result | Plot a Lemna scenario result | 
| schmitt77 | Observed frond numbers reported by Schmitt _et al._ (2013) |