Table 1. Ballistics of spore discharge in seven basidiomycete species.
| Species (Class, Order) | Spore dimensions1, length×width | Radius of Buller's drop | Initial velocity, m s−1, measured range, mean±s.e.m. (sample size) | Calculated discharge distance2, [measured distance] |
| Gymnosporangium juniperi-virginianae (Pucciniomycetes, Pucciniales) | 20.0×15.1 µm (19) | 5.2 µm (19) | 0.66–1.35, 1.11±0.06 (18) | 1.26±0.06 mm |
| Tilletia caries (Exobasidiomycetes, Tilletiales) | 21.4×7.6 µm (9) | 5.2 µm (28) | 0.32–1.53, 1.10±0.07 (21) | 0.66±0.04 mm |
| Sporobolomyces salmonicolor (Pucciniomycetes, Sporidiobolales) | 11.5×7.9 µm (14) | 3.8 µm (14) | 1.08–1.83, 1.42±0.12 (6) | 0.54±0.04 mm |
| Auricularia auricula (Agaricomycetes, Auriculariales) | 12.9×7.8 µm (15) | 3.1 µm (15) | 0.87–1.62, 1.25±0.06 (13) | 0.45±0.02 mm |
| Polyporus squamosus (Agaricomycetes, Polyporales) | 14.0×5.4 µm (31) | 2.6 µm (4) | 0.45–0.68, 0.58±0.08 (6) | 0.14±0.02 mm [0.13±0.02 mm (6)] |
| Armillaria tabescens (Agaricomycetes, Agaricales) | 6.8×6.1 µm (16) | 1.5 µm (16) | 0.12–0.91, 0.64±0.08 (9) | 0.10±0.01 mm [0.06±0.01 mm (4)] |
| Clavicorona pyxidata (Agaricomycetes, Russulales) | 4.7×3.5 µm (6) | 1.2 µm (6) | 0.52–0.87, 0.69±0.06 (5) | 0.042±0.004 mm [0.036±0.003 mm (5)] |
1
Mean values for spore dimensions and Buller's drop radius, standard errors ≤0.3 µm and ≤0.1 µm, respectively, sample sizes in parenthesis.
2
Distance calculated using mean values for spore dimensions, drop size, and velocity.