Table 3. Understory community indicator values derived from indicator species analysis (multi-level pattern analysis).
| Species | Four-letter code | Zone | Indicator value | Probability | Mean height above OHWM (Meters) | Wetland indicator status |
|---|---|---|---|---|---|---|
| Polystichum munitum | POMU | WB | 74.7 | 0.005 | 0.2978 | FACU |
| Mahonia nervosa | BENE | WB | 52.9 | 0.005 | 0.6095 | FACU |
| Acer circinatum | ACCI | WB | 25.6 | 0.015 | 0.6422 | FAC |
| Gaultheria ovatifolia | GAOV | WB | 24.5 | 0.020 | 1.2367 | FAC |
| Petasites frigidus ssp. palmatus | PEPA | UW | 20.0 | 0.04 | −0.6970 | FACW |
| Carex obnupta | CAOB | LW–UW | 86.9 | 0.005 | −0.4707 | OBL |
| Pteridium aquilinum | PTAQ | LW–UW | 45.9 | 0.005 | −0.1343 | FACU |
| Spiraea douglasii | SPDO | LW–UW | 43.0 | 0.005 | −0.4968 | FACW |
| Matricaria discoidea | MADI | LW–UW | 38.1 | 0.045 | −0.2779 | FACU |
| Rubus spectabilis | RUSP | LW–UW | 36.3 | 0.005 | −0.3948 | FAC |
| Symphoricarpos albus | SYAL | LW | 38.2 | 0.005 | −0.9969 | FACU |
| Cornus sericea | COSE | LW | 37.6 | 0.005 | −0.2478 | FACW |
| Prunus emarginata | PREM | LW | 33.5 | 0.020 | −0.1860 | FACU |
| Physocarpus capitatus | PHCA | LW | 24.4 | 0.005 | −0.6970 | FACW |
| Rosa nutkana | RONU | LW | 23.6 | 0.005 | −0.8680 | FAC |
| Amelanchier alnifolia | AMAL | LW | 18.3 | 0.045 | −0.1733 | FACU |
| Rubus ursinus | RUUR | WB-LW | 35.6 | 0.02 | −0.1626 | FACU |
Note:
WB = Wetland buffer, UW = Upper wetland, LW = Lower wetland. Wetland indicator status is from the 2016 U.S. National Wetland Plant List (Lichvar et al., 2016). For a full understory indicator species list, see Table S3.