Phytophthora litchii (in progress - Abad et al. 2023b)

Phytophthora litchii (CPHST BL 48G) asexual phase: papillate caducous sporangium; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora litchii (in progress - Abad et al. 2023b)

Phytophthora litchi (CPHST BL 48G) asexual phase: sporangia in compound sympodial sporangiophores; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora litchii (in progress - Abad et al. 2023b)

Phytophthora litchii (CPHST BL 48G) asexual phase: finger-like hyphal swellings; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora litchii (in progress - Abad et al. 2023b)

Phytophthora litchi (CPHST BL 48G) asexual phase: sporangia in compound sympodial sporangiophores; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora litchii (in progress - Abad et al. 2023b)

Phytophthora litchi (CPHST BL 48G) asexual phase: downy-mildew-like erected sporangiophores; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora litchii (in progress - Abad et al. 2023b)
Phytophthora spp. in Clade 4: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. litchii Ex-neotype CBS 100.81 = S&T BL 48G. Gloria Abad, USDA S&T.

Phytophthora litchii (in progress - Abad et al. 2023b)
Phytophthora spp. in Clade 4: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. litchii Ex-neotype CBS 100.81 = S&T BL 48G. Gloria Abad, USDA S&T. 

Phytophthora litoralis
Phytophthora spp. in subclade 6b: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. litoralis Ex-type CBS 127953 = S&T BL 70. Gloria Abad, USDA S&T.

Phytophthora litoralis
Phytophthora spp. in subclade 6b: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. litoralis Ex-type CBS 127953 = S&T BL 70. Gloria Abad, USDA S&T.

Phytophthora litoralis

Phytophthora litoralis (CPHST BL 70) colonies of the ex-type grown for 7 days on (a) V8® Agar, (b) potato dextrose agar, and (c) malt extract agar; photo by Krysta Jennings and Leandra Knight, USDA-APHIS-PPQ

Phytophthora litoralis

mature nonpapillate sporangia formed on V8 agar flooded with soil extract: (a) ovoid to limoniform terminal sporangia and secondary lateral sporangium formed with cytoplasm remaining after the formation of the terminal primary sporangium, (b) ovoid (left) and limoniform (right); (c) broadly-ovoid, (d) secondary, lateral, obovoid (left) and ovoid (right) sporangia (e) empty sporangium with internal nested and extended proliferation; scale bar = 25 µm

Phytophthora ludoviciana
Phytophthora spp. in subclade 10d: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. ludoviciana Ex-type CBS 149205. Gloria Abad, USDA S&T.

Phytophthora ludoviciana
Phytophthora spp. in subclade 10d: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. ludoviciana Ex-type CBS 149205. Gloria Abad, USDA S&T.

Phytophthora macilentosa
Phytophthora spp. in subclade 9a: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. macilentosa Ex-type MYA-4945 (MCI) = S&T BL 125. Gloria Abad, USDA S&T.

Phytophthora macilentosa
Phytophthora spp. in subclade 9a: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. macilentosa Ex-type MYA-4945 (MCI) = S&T BL 125. Gloria Abad, USDA S&T.

Phytophthora macrochlamydospora
Phytophthora spp. in subclade 9c: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. macrochlamydospora Ex-type WPC P10263 = S&T BL 71. Gloria Abad, USDA S&T.

Phytophthora macrochlamydospora
Phytophthora spp. in subclade 9c: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. macrochlamydospora Ex-type WPC P10263 = S&T BL 71. Gloria Abad, USDA S&T.

Phytophthora macrochlamydospora

Phytophthora macrochlamydospora (CPHST BL 71) colonies of the ex-type grown for 7 days on (a) V8® Agar, (b) potato dextrose agar, and (c) malt extract agar; photo by Clinton Greub, Krysta Jennings, and Leandra Knight, USDA-APHIS-PPQ

Phytophthora marrasii
Phytophthora spp. in subclade 8e: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. marrasii Ex-type CBS 148033 = S&T BL 216. Gloria Abad, USDA S&T.

Phytophthora marrasii
Phytophthora spp. in subclade 8e: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. marrasii Ex-type CBS 148033 = S&T BL 216. Gloria Abad, USDA S&T.

Phytophthora meadii (in progress - Abad et al. 2023b)
Phytophthora spp. in subclade 2a: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. meadii selected specimen CBS 148927 = S&T BL 81. Gloria Abad, USDA S&T.

Phytophthora meadii (in progress - Abad et al. 2023b)
Phytophthora spp. in subclade 2a: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. meadii selected specimen CBS 148927 = S&T BL 81. Gloria Abad, USDA S&T. 

Phytophthora meadii (in progress - Abad et al. 2023b)

Phytophthora meadii (CPHST BL 81) colonies of the selected specimen grown for 7 days on (a) V8® Agar, (b) potato dextrose agar, and (c) malt extract agar; photo by Clinton Greub, Krysta Jennings, and Leandra Knight, USDA-APHIS-PPQ

Phytophthora meadii (in progress - Abad et al. 2023b)

Phytophthora meadii (CPHST BL 120) colonies of a selected specimen grown for 7 days on (a) V8® Agar, (b) potato dextrose agar, and (c) malt extract agar; photo by Clinton Greub, Krysta Jennings, and Leandra Knight, USDA-APHIS-PPQ

Phytophthora meadii (in progress - Abad et al. 2023b)

Phytophthora meadii (CPHST BL 82) colonies of a selected specimen grown for 7 days on (a) V8® Agar, (b) potato dextrose agar, and (c) malt extract agar; photo by Krysta Jennings and Leandra Knight, USDA-APHIS-PPQ

Phytophthora meadii (in progress - Abad et al. 2023b)

Phytophthora meadii (CPHST BL 81, selected specimen) asexual phase: (a–d) sporangia papillated and semipapillated, (e) hyphal swellings; photos by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora meadii (in progress - Abad et al. 2023b)

Phytophthora meadii (CPHST BL 81, selected specimen) asexual phase: papillated sporangium; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora meadii (in progress - Abad et al. 2023b)

Phytophthora meadii (CPHST BL 81, selected specimen) asexual phase: semipapillated sporangia; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora meadii (in progress - Abad et al. 2023b)

Phytophthora meadii (CPHST BL 81, selected specimen) asexual phase: papillated sporangium; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora meadii (in progress - Abad et al. 2023b)

Phytophthora meadii (CPHST BL 81, selected specimen) asexual phase: papillated sporangium; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora meadii (in progress - Abad et al. 2023b)

Phytophthora meadii (CPHST BL 81, selected specimen) asexual phase: hyphal swellings; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora medicaginis

Phytophthora medicaginis (CPHST BL 83) colonies of the ex-type grown for 7 days on (a) V8®Agar, (b) potato dextrose agar, and (c) malt extract agar; photo by Krysta Jennings and Leandra Knight, USDA-APHIS-PPQ