Heteroconium Petr.
Creators: name: Dubey, Rashmi
name: Pandey, Amit D.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Fungi
Ascomycota
Dothideomycetes
Capnodiales
Antennulariellaceae
Heteroconium

description: Key to accepted Heteroconium species
1. Conidia dimorphic, one type of conidia is unicellular and concolorous and second type of conidia is bicellular and bicolorous...... ............................................................................................................................................................................................... H. simile
1. Conidia monomorphic, either concolorous or bicolorous ..................................................................................................................2
2. Conidia concolorous...........................................................................................................................................................................3
2. Conidia bicolorous..............................................................................................................................................................................4
3. Conidia hyaline to pale brown............................................................................................................................................................5
3. Conidia brown to dark brown.............................................................................................................................................................6
4. Conidia guttulated ................................................................................................................................................................. H. avilae
4. Conidia not guttulated ......................................................................................................................................................................17
5. Scar at both ends of conidia............................................................................................................................................. H. triticicola
5. No scars at the end of conidia.............................................................................................................................................................7
6. Conidia both euseptate and distoseptate………………………………………………..…...............................................................8
6. Conidia euseptate………………………………………………………………………....................................................................9
7. Occasionally with a secondary conidium, smooth-walled, 0–6-euseptate, 13–44 × 5.5–10 μm....................................... H. schimae
7. No secondary conidium observed, conidia 3–6-septate, 26–52 × 4–6 μm....................................................................... H. tropicale
8. Conidia aseptate to multi-septate, subclindrical to ellipsoid, verruculose, 10–60 × 7–8 μm....................................... H. kleinziense
8. Conidia 14–22-septate (6–8-euseptate, 8–14-distoseptate), straight or slightly curved, obclavate, 58–93.5 μm × 5–8 μm................ ....................................................................................................................................................................................... H. bannaense
9. Conidia single septate.......................................................................................................................................................................10
9. Conidia with more than one septa ....................................................................................................................................................11
10. Conidia fusiform to cylindrical, pale brown to reddish brown, 23–42.5 × 8.5–10.5 μm.................................................. H. indicum
10. Conidia obclavate to ellipsoid, brown, smooth, 12–24 × 4–6 μm................................................................................. H. ponapense
11. Conidia less than 7-septate ...............................................................................................................................................................12
11. Conidia more than 7-septate.............................................................................................................................................................15
12. Conidia at first smooth and hyaline, later verrucose. ................................................................................................... H. glutinosum
12. Conidia smooth-walled.....................................................................................................................................................................13
13. Conidia in chains of 2, 6–7-septate ............................................................................................................................ H. phellodendri
13. Conidia in chains of 3, less than 4-septate .......................................................................................................................................14
14. Conidia (1–)2-septate, 20–25 9 7–10 μm ......................................................................................................... H. tsoongiodendronis
14. Conidia 1–4-septate, 13.5–32.5 × 5.4–8.5 μm ................................................................................................................. H. lignicola
15. Conidia verrucose with longitudinal striations or with creases, 1–14-septate .............................................................. H. neriifoliae
15. Conidia smooth-walled, 1–10-septate .............................................................................................................................................. 16
16. Conidia not constricted at septa, cylindrical to fusiform, 35–95 × 8–12 μm ............................................................... H. arundicum
16. Conidia slightly constricted at septa, cylindrical to oblong, 10–40 × 3–7 μm.............................................................. H. citharexyli
17. Conidia with a double layered wall ................................................................................................................................. H. asiaticum
17. Conidia with a thick single layered wall ..........................................................................................................................................18
18. Conidia with apical cells pale brown.............................................................................................................................. H. annesleae
18. Apical and basal end of conidia pale brown.....................................................................................................................................19
19. With black band at each septum .......................................................................................................................................................20
19. Without black band at each septum ..................................................................................................................................................21
20. Conidia cylindrical or fusiform, 9–16-euseptate, brown, pale brown ends, 50–85 × 4–6 μm, in chains of 3 ..................................... ........................................................................................................................................................................................ H. neolitseae
20. Conidia, obclavate, thick-walled, 45–110 × 8–12 μm, 8–18-septate, in chains of 2................................................................. H. fici
21. Conidia blastocatenate, in chains up to 3, smooth, rarely verrucose, primary conidia 5–7-sepatate, truncate at both ends, 32–40(– 50) × 8–10 μm, secondary conidia 3–4 septate, rounded above and truncate below, 20–30 × 3–5 μm........................ H. decorosum
21. Conidia blastocatenate, in chains up to 4, smooth, obclavate, 4–7-septate, (mostly 6-septate), slightly constricted at septa, rounded at apex, truncate at base, 31–45 × 7.5–8.7 μm, 4–7-septate............................................................ Heteroconium tulsiense sp. nov.
description: Published as part of Dubey, Rashmi & Pandey, Amit D., 2022, Heteroconium tulsiense (Antennulariellaceae): a novel microfungus from Sanjay Gandhi National Park, Maharashtra, India, pp. 190-196 in Phytotaxa 536 (2) on page 194, DOI: 10.11646/phytotaxa.536.2.8, http://zenodo.org/record/6257685