Number of fungal species Reference 2700000 [49] 1620000 [46] 1000000 [50] 1000000 [51] 1500000 [50] 9900000 [52] 1500000 [53] 2270000 [47] 500,000* [54] 3,500,000-5,100,000* [55] 712,000* [56] 611,000 (± SE = 297,000)* [57]

Table 1: Estimation of fungal species diversity. *some additional estimates.