Table 2.

Host range of major Phytophthora species, including orchids.

Phytophthora species	Number of plant families infected	Number of plant genera infected	Number of genera infected within Orchidaceae
Phytophthora palmivora	60	160	32
Phytophthora nicotianae	90	225	15
Phytophthora cactorum	54	154	43
Phytophthora multivesiculata	1	2	2
Phytophthora capsici	28	51	2